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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Velichko V. V., Tikhomirov A. A., Ushakova S. A., Trifonov S. V., Gribovskaya I. V.
Заглавие : The effect of supplementation of the soil-like substrate with wheat straw mineralized to different degrees on wheat productivity in closed ecosystems
Колич.характеристики :8 с
Место публикации : Life Sci. Space Res.: ELSEVIER, 2020. - Vol. 26. - С. 132-139. - ISSN 2214-5524, DOI 10.1016/j.lssr.2020.06.001. - ISSN 2214-5532(eISSN)
Примечания : Cited References:27
Предметные рубрики: EXPERIMENTAL-MODEL
ESTIMATED PORTION
GROWTH
EARTH
Аннотация: Successful incorporation of soil-like substrate (SLS) into biotechnical life support systems is often complicated by the necessity to maintain the balance between flows of mineral elements taken up from the substrate by growing plants and mineral elements added to the SLS as components of mineralized plant inedible biomass. An imbalance between these two flows can be caused by the addition of recalcitrant plant waste such as wheat straw. The purpose of this study was to determine whether the availability of essential nutrients to be taken up by the roots of the wheat plants grown on the SLS could be enhanced by supplementing the SLS with the products derived from wheat straw subjected to different levels of physicochemical mineralization in the aqueous solution of hydrogen peroxide. Different degrees of straw mineralization were achieved by using different ratios of the aqueous solution of hydrogen peroxide to straw. The study showed that supplementation of the SLS with in-sufficiently oxidized products of physicochemical mineralization of straw resulted in a decrease in the grain yields. The inhibitory effect of the straw subjected to physicochemical oxidation increased with a decrease in the degree to which the straw had been oxidized. Only supplementation with the straw mineralized to the highest possible degree did not inhibit plant growth and development, and the crop yield in that treatment was higher than in the other treatments.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova T., Shumilova A., Zhila N., Sukovatyi A., Shishatskaya E., Thomas S.
Заглавие : Efficacy of Slow-Release Formulations of Metribuzin and Tribenuron Methyl Herbicides for Controlling Weeds of Various Species in Wheat and Barley Stands
Место публикации : ACS Omega: American Chemical Society, 2020. - Article in press. - ISSN 24701343 (ISSN), DOI 10.1021/acsomega.0c02492
Аннотация: The herbicidal activity of long-acting formulations of metribuzin and tribenuron methyl herbicides embedded in granules prepared from a mixture of degradable poly(3-hydroxybutyrate) and birch wood flour was studied in laboratory-grown weeds of various species and in wheat Triticum aestivum and barley Hordeum vulgare stands infested by weeds. The constructed formulations effectively suppressed all species of weeds studied. The biological effectiveness of herbicide formulations toward intact plants in wheat and barley stands infested with weeds was close to 100%, which was significantly higher than the effect of their free forms. The more effective suppression of weeds by embedded herbicides was beneficial for the growth of crops whose aboveground biomass was 8-13 to 20% greater than that of the crops in the treatments with free herbicides. Embedded metribuzin and tribenuron methyl exhibit sustained and pronounced herbicidal activity and are effective for pre-emergence soil application for crops infested with weeds of various species. © Copyright © 2020 American Chemical Society.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Velichko V. V., Tikhomirov A. A., Ushakova S. A., Trifonov S. V., Gribovskaya I. V.
Заглавие : The effect of supplementation of the soil-like substrate with wheat straw mineralized to different degrees on wheat productivity in closed ecosystems
Место публикации : Life Sci. Space Res.: Elsevier Ltd, 2020. - Vol. 26. - С. 132-139. - ISSN 22145524 (ISSN), DOI 10.1016/j.lssr.2020.06.001
Аннотация: Successful incorporation of soil-like substrate (SLS) into biotechnical life support systems is often complicated by the necessity to maintain the balance between flows of mineral elements taken up from the substrate by growing plants and mineral elements added to the SLS as components of mineralized plant inedible biomass. An imbalance between these two flows can be caused by the addition of recalcitrant plant waste such as wheat straw. The purpose of this study was to determine whether the availability of essential nutrients to be taken up by the roots of the wheat plants grown on the SLS could be enhanced by supplementing the SLS with the products derived from wheat straw subjected to different levels of physicochemical mineralization in the aqueous solution of hydrogen peroxide. Different degrees of straw mineralization were achieved by using different ratios of the aqueous solution of hydrogen peroxide to straw. The study showed that supplementation of the SLS with insufficiently oxidized products of physicochemical mineralization of straw resulted in a decrease in the grain yields. The inhibitory effect of the straw subjected to physicochemical oxidation increased with a decrease in the degree to which the straw had been oxidized. Only supplementation with the straw mineralized to the highest possible degree did not inhibit plant growth and development, and the crop yield in that treatment was higher than in the other treatments. © 2020
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Volova, Tatiana, Shumilova, Anna, Zhila, Natalia, Sukovatyi, Aleksey, Shishatskaya, Ekaterina, Thomas, Sabu
Заглавие : Efficacy of Slow-Release Formulations of Metribuzin and Tribenuron Methyl Herbicides for Controlling Weeds of Various Species in Wheat and Barley Stands
Колич.характеристики :13 с
Коллективы : Project "Agro-preparations of the New Generation: A Strategy of Construction and Realization" [074-02-2018-328]; Government of the Russian Federation [220]
Место публикации : ACS Omega: AMER CHEMICAL SOC, 2020. - Vol. 5, Is. 39. - С. 25135-25147. - ISSN 2470-1343, DOI 10.1021/acsomega.0c02492
Примечания : Cited References:34. - This study was financially supported by Project "Agro-preparations of the New Generation: A Strategy of Construction and Realization" (agreement no. 074-02-2018-328) in accordance with Resolution No. 220 of the Government of the Russian Federation of April 9, 2010 "on measures designed to attract leading scientists to the Russian institutions of higher learning"
Предметные рубрики: SYNTHASE-INHIBITING HERBICIDES
Аннотация: The herbicidal activity of long-acting formulations of metribuzin and tribenuron methyl herbicides embedded in granules prepared from a mixture of degradable poly(3-hydroxybutyrate) and birch wood flour was studied in laboratory-grown weeds of various species and in wheat Triticum aestivum and barley Hordeum vulgare stands infested by weeds. The constructed formulations effectively suppressed all species of weeds studied. The biological effectiveness of herbicide formulations toward intact plants in wheat and barley stands infested with weeds was close to 100%, which was significantly higher than the effect of their free forms. The more effective suppression of weeds by embedded herbicides was beneficial for the growth of crops whose aboveground biomass was 8-13 to 20% greater than that of the crops in the treatments with free herbicides. Embedded metribuzin and tribenuron methyl exhibit sustained and pronounced herbicidal activity and are effective for pre-emergence soil application for crops infested with weeds of various species.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shishatskaya E., Menzyanova N., Zhila N., Prudnikova S., Volova T., Thomas S.
Заглавие : Toxic effects of the fungicide tebuconazole on the root system of fusarium-infected wheat plants
Место публикации : Plant Physiol. Biochem.: Elsevier Masson SAS, 2018. - Vol. 132. - С. 400-407. - ISSN 09819428 (ISSN) , DOI 10.1016/j.plaphy.2018.09.025
Ключевые слова (''Своб.индексиров.''): border cells--carbonylated proteins--free proline--fusarium--malondialdehyde--tebuconazole
Аннотация: The study investigates toxic effects of the fungicide tebuconazole (TEB) on Fusarium-infected wheat (Triticum aestivum) plants based on the morphological characteristics of root apices and changes in the integrated parameters of redox homeostasis, including the contents of free proline and products of peroxidation of proteins (carbonylated proteins, CP) and lipids (malondialdehyde, MDA) in roots. In two-day-old wheat sprouts infected by Fusarium graminearum, the levels of proline, CP, and border cells of root apices are higher than in roots of uninfected sprouts by a factor of 1.4, 8.0, and 3, respectively. The triazole fungicide tebuconazole (TEB) at the concentrations of 0.01, 0.10, and 1.00 ?g ml?1 of medium causes a dose-dependent decrease in the number of border cells. The study of the effects of TEB and fusarium infection on wheat plants in a 30-day experiment shows that the effect of the fungicide TEB on redox homeostasis in wheat roots varies depending on the plant growth stage and is significantly different in ecosystems with soil and plants infected by Fusarium phytopathogens. The study of the morphology of root apices shows that the toxic effects of TEB and fusarium infection are manifested in the destructive changes in root apices and the degradation of the root tip mantle. © 2018 Elsevier Masson SAS
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Boyandin A. N., Kazantseva E. A., Varygina D. E., Volova T. G.
Заглавие : Constructing Slow-Release Formulations of Ammonium Nitrate Fertilizer Based on Degradable Poly(3-hydroxybutyrate)
Место публикации : J. Agric. Food Chem.: American Chemical Society, 2017. - Vol. 65, Is. 32. - С. 6745-6752. - ISSN 00218561 (ISSN) , DOI 10.1021/acs.jafc.7b01217
Ключевые слова (''Своб.индексиров.''): ammonium nitrate--degradable poly-3-hydroxybutyrate--embedding--fillers--nitrogen fertilizers--tablets--chemical contamination--ecology--ecosystems--fertilizers--fillers--nitrates--plastic coatings--ammonium nitrate--ammonium nitrate fertilizers--embedding--in-laboratory experiments--poly-3-hydroxybutyrate--slow release fertilizers--tablets--wheat (triticum aestivum l.)--nitrogen fertilizers
Аннотация: The present study describes construction and investigation of experimental formulations of ammonium nitrate embedded in a matrix of degradable natural polymer poly-3-hydroxybutyrate [P(3HB)] and P(3HB) blended with wood flour shaped as tablets, some of them coated with P(3HB). Kinetics of ammonium release into soil as dependent on the composition of the polymer matrix was investigated in laboratory experiments. The rates of fertilizer release from formulations coated with a biopolymer layer were considerably (two months or longer) slower than the rates of fertilizer release from uncoated formulations, while release from polymer and composite (polymer/wood flour) formulations occurred with comparable rates. The use of the experimental formulations in laboratory ecosystems with wheat (Triticum aestivum L.) was more effective than application of free ammonium nitrate. The advantage of the slow-release fertilizer formulations is that they are buried in soil together with the seeds, and the fertilizer remains effective over the first three months of plant growth. The use of such slow-release formulations will reduce the amounts of chemicals released into the environment, which will curb their accumulation in food chains of ecosystems and mitigate their adverse effects on the biosphere. © 2017 American Chemical Society.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zhila, Natalia, Murueva, Anastasiya, Shershneva, Anna, Shishatskaya, Ekaterina, Volova, Tatiana
Заглавие : Herbicidal activity of slow-release herbicide formulations in wheat stands infested by weeds
Колич.характеристики :7 с
Коллективы : Russian Academy of Sciences [AAAA-A17-117013050028-8]
Место публикации : J. Environ. Sci. Health Part B-Pestic. Contam. Agric. Wastes: TAYLOR & FRANCIS INC, 2017. - Vol. 52, Is. 10. - С. 729-735. - ISSN 0360-1234, DOI 10.1080/03601234.2017.1356668. - ISSN 1532-4109(eISSN)
Примечания : Cited References:23. - The research was supported by the state budget allocated to the fundamental research at the Russian Academy of Sciences (project no. AAAA-A17-117013050028-8).
Предметные рубрики: POLYHYDROXYALKANOATES
POLY-3-HYDROXYBUTYRATE
FILMS
Ключевые слова (''Своб.индексиров.''): metribuzin--tribenuron-methyl--poly-3-hydroxybutyrate--slow-release--formulations--herbicidal activity--wheat--weeds
Аннотация: The present study reports the herbicidal activity of metribuzin and tribenuron-methyl embedded in the degradable matrix of natural poly-3-hydroxybutyrate [P(3HB)/MET and P(3HB)/TBM]. The developed formulations were constructed as films and microgranules, which were tested against the weeds such as white sweet clover Melilotus albus and lamb's quarters Chenopodium album in the presence of soft spring wheat (Triticum aestivum, cv. Altaiskaya 70) as the subject crop for investigation. The activity was measured in laboratory scale experiments by determining the density and weight of the vegetative organs of weeds. The study was also aimed at testing the effect of the experimental formulation on the growth of wheat crop as dependent on the method of herbicide delivery. The experimental MET and TBM formulations showed pronounced herbicidal activity against the weed species used in the study. The effectiveness of the experimental formulations in inhibiting weed growth was comparable to and, sometimes, higher than that of the commercial formulations (positive control). The amount of the biomass of the wheat treated with the experimental herbicide formulations was significantly greater than that of the wheat treated with commercial formulations.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sid'ko A. F., Botvich I. Y., Pisman T. I., Shevyrnogov A. P.
Заглавие : Estimation of chlorophyll content and yield of wheat crops from reflectance spectra obtained by ground-based remote measurements
Место публикации : Field Crops Res.: Elsevier B.V., 2017. - Vol. 207. - С. 24-29. - ISSN 03784290 (ISSN) , DOI 10.1016/j.fcr.2016.10.023
Ключевые слова (''Своб.индексиров.''): chlorophyll potential--optical remote method--wheat--triticum aestivum
Аннотация: This study aimed to analyze the relationship between chlorophyll potential, chlorophyll content, and grain yield of different wheat cultivars by using ground remote sensing and laboratory data. Chlorophyll potential is the difference between the reflectance factor integrals with and without chlorophyll absorption (in the 550–730 nm wavelength range). Ground-truth data were obtained at the experimental fields located in the Krasnoyarsk region, Russia (2002–2012). Experiments were conducted in different seasons under various lighting conditions by controlling plants states and soil types. Spectral measurements were obtained using a double-beam spectroradiometer, which was installed on a mobile work platform at a height of 5–18 m. The photometric area varied from 0.5 to 2 m2. The study showed good correlation (R2 = 0.9) between chlorophyll potential and chlorophyll content for different wheat cultivars. However, the correlation between chlorophyll potential and grain yield was less (R2 = 0.8). The values of chlorophyll potentials depended on the type of wheat during the growing season. The novelty of the approach is that it calculates the chlorophyll potential with additional spectral regions when compared with normalized difference vegetation index. We used a spectroradiometer with high spectral resolution. This increased the accuracy and stability of measurements in rapidly changing conditions. © 2016
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shikhov V. N., Nesterenko T. V., Tikhomirov A. A.
Заглавие : Effect of light intensity on chlorophyll fluorescence in wheat leaves: Application of PAM-fluorometry
Место публикации : Russ. J. Plant Physiol. - 2016. - Vol. 63, Is. 3. - С. 417-422. - ISSN 10214437 (ISSN) , DOI 10.1134/S1021443716030134
Ключевые слова (''Своб.индексиров.''): actinic light intensity--induction of chlorophyll fluorescence--leaf ontogeny--triticum aestivum
Аннотация: Application of pulse-amplitude-modulation (PAM) fluorometers for measuring slow stages of chlorophyll fluorescence induction (CFI) is considered. With an example of Triticum aestuvum L. plants grown under continuous illumination at a photon flux density of 600 μmol/(m2 s) photosynthetically active radiation (PAR), the CFI curves were analyzed with leaves of various ages as a function of actinic light intensity. The fluorometer PAM-2100 was applied for measurements of CFI curves. The characteristic peaks of CFI curves in wheat leaves were most conspicuous and had the largest amplitudes at 600–800 μmol/(m2 s) PAR, which corresponds to the middle range of actinic light intensities employed in PAM-2100 fluorometers. In plants exposed to favorable and stressful conditions, the developmental stages may proceed at different rates; thus, the comparison of fluorescence parameters for leaves of equal calendar age but having different physiological states may provide ambiguous data. Therefore, the feasibility of recording CFI curves of different types is quite important for rapid diagnostics of the age and state of plant leaves, as well as for adequate physiological conclusions. © 2016, Pleiades Publishing, Ltd.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nesterenko, T. V., Shikhov, V. N., Tikhomirov, A. A.
Заглавие : Chlorophyll fluorescence as an indicator of age-dependent changes in photosynthetic apparatus of wheat leaves
Колич.характеристики :7 с
Коллективы : section VI of the Program for Basic Research of the State Academies of Sciences [56.1.4]
Место публикации : Russ. J. Plant Physiol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2015. - Vol. 62, Is. 3. - С. 307-313. - ISSN 1021-4437, DOI 10.1134/S1021443715020144. - ISSN 1608-3407(eISSN)
Примечания : Cited References:30. - This work was supported by the State Assignment, topic no. 56.1.4, section VI of the Program for Basic Research of the State Academies of Sciences for 2013-2020.
Предметные рубрики: LEAF SENESCENCE
ONTOGENIC APPROACH
LIGHT DEPENDENCE
PARAMETERS
Ключевые слова (''Своб.индексиров.''): triticum sativus--chlorophyll fluorescence parameters--actinic light--intensity--leaf ontogeny
Аннотация: Wheat (Triticum sativus L.) seedlings of various ages (2- to 16-day-old plants) were used to study age-dependent changes in the chlorophyll fluorescence induction (CFI) at various light intensities during flu- orescence measurements. Plants were raised in a growth chamber using hydroponics with expanded clay, controlled environmental conditions, and 690 A mu mol/(m(2) s) photon flux density (PFD) of photosynthetically active radiation (PAR). Parameters of CFI were determined under actinic PFD of 380, 580, 820, and 1340 A mu mol/(m(2) s) PAR. The fifth leaf from the stem base, exposed to uniform lighting, was sampled for measurements. This leaf emerged at the plant age of 16 days. Based on fluorescence data, we calculated the maximal photochemical quantum yield of photosystem II (F (v)/F (m)), the effective photochemical quantum yield of PSII (Yield), parameters of photochemical (qP) and non-photochemical (qN and NPQ) quenching of chlorophyll fluorescence, the F (p)/F (t) ratio, and the "vitality index" (fluorescence decrease ratio, R (fd)). At moderate actinic PFD, applied commonly in PAM fluorometers (about 380 A mu mol/(m(2) s)), age-dependent changes in NPQ, F (p)/F (t), and R (fd) were observed. Analysis of CFI parameters in wheat leaves of different ages at PFD increasing from 380 to 820 A mu mol/(m(2) s) revealed that R (fd), NPQ, and qN are the most sensitive markers of the leaf age among all parameters tested. These suitable indicators can be used for rapid assessment of the leaf age.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sid'ko A.F., Botvich I.Y., Pisman T.I., Shevyrnogov A.P.
Заглавие : Analysis of polarization characteristics of plant canopies using ground-based remote sensing measurements
Колич.характеристики :6 с
Место публикации : J. Quant. Spectrosc. Radiat. Transf.: PERGAMON-ELSEVIER SCIENCE LTD, 2014. - Vol. 144. - С. 117-122. - ISSN 0022-4073, DOI 10.1016/j.jqsrt.2014.03.031. - ISSN 1879-1352
Примечания : Cited References: 26
Предметные рубрики: LINEAR-POLARIZATION
AGRICULTURAL CROPS
WHEAT CANOPIES
LIGHT
REFLECTANCE
VEGETATION
Ключевые слова (''Своб.индексиров.''): spectral brightness coefficients--degree of polarization--polarized component of spectral brightness coefficients--farm crop--coniferous and broadleaf forests
Аннотация: The paper presents results and analysis of a study on polarized characteristics of the reflectance factor of different plant canopies under field conditions, using optical remote sensing techniques. Polarization characteristics were recorded from the elevated work platform at heights of 10-18 m in June and July. Measurements were performed using a double-beam spectrophotometer with a polarized light filter attachment, within the spectral range from 400 to 820 nm. The viewing zenith angle was below 20 degree. Birch (Betila pubescens), pine (Pinus sylvestris L.), wheat (Triticum acstivum) [L.] crops, corn (Zea mays L ssp. mays) crops, and various grass canopies were used in this study. The following polarization characteristics were studied: the reflectance factor of the canopy with the polarizer adjusted to transmit the maximum and minimum amounts of light (R-max and R-min), polarized component of the reflectance factor (R-q), and the degree of polarization (P). Wheat, corn, and grass canopies have higher R-max and R-min values than forest plants. The R-q and P values are higher for the birch than for the pine within the wavelength range between 430 and 740 nm. The study shows that polarization characteristics of plant canopies may be used as an effective means of decoding remote sensing data. (C) 2014 Elsevier Ltd. All rights reserved.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sid'ko A.F., Botvich I., Pisman T.I., Shevyrnogov A.P.
Заглавие : A study of spectral-polarization characteristics of plant canopies using land-based remote sensing
Место публикации : Journal of Quantitative Spectroscopy and Radiative Transfer. - 2013. - Vol. 129. - С. 109-117. - ISSN 00224073 (ISSN) , DOI 10.1016/j.jqsrt.2013.06.001
Ключевые слова (''Своб.индексиров.''): farm crops--forest stands--spectral brightness coefficients--spectral-polarization characteristics--forest stand--near-infrared spectral regions--plant reflectance--polarized components--reflectance spectrum--reflection properties--spectral brightness--spectral-polarization characteristics--forestry--luminance--physiological models--polarization--reflection--crops--brightness temperature--canopy reflectance--crop plant--nadir--polarization--remote sensing--spectral analysis--farm crops--forestry--forests--polarization--reflection--triticum aestivum--zea mays
Аннотация: The study addresses reflection and spectral-polarization characteristics of forest stands and farm crops obtained under field conditions. The study of the reflection properties of farm crops shows that during the summer plant growing season, the major factors influencing the plant canopy reflectance are morpho-physiological parameters, plant architectonics, solar elevation h0, and viewing angle. The crop reflectance minimum was recorded at viewing angles 25-30В° with respect to the nadir. Coniferous and broadleaf forest stands had similar reflectance spectra of polarized light. The polarized component was smaller for all coniferous stands than for broadleaf ones. For broad-leaved farm crops (wheat and corn), the polarized component of the spectral brightness coefficients had a greater influence on the plant reflectance in the red and near-infrared spectral regions, ?>720nm. В© 2013 Elsevier Ltd.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pisman T.I., Pugacheva I.Y., Jukova E.Y., Shevyrnogov A.P.
Заглавие : Mathematical model of seasonal agrophytocenosis productivity based on terrestrial and satellite monitoring
Место публикации : Doklady Biological Sciences. - 2009. - Vol. 428, Is. 1. - С. 467-470. - ISSN 00124966 (ISSN) , DOI 10.1134/S0012496609050226
Ключевые слова (''Своб.индексиров.''): agriculture--algorithm--article--biological model--biomass--computer simulation--crop--growth, development and aging--methodology--season--space flight--wheat--agriculture--algorithms--biomass--computer simulation--crops, agricultural--models, biological--seasons--spacecraft--triticum
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ushakova S., Tikhomirov A., Shikhov V., Kudenko Yu., Anischenko O., Gros J.-B., Lasseur Ch.
Заглавие : Increased BLSS closure using mineralized human waste in plant cultivation on a neutral substrate
Место публикации : Advances in Space Research. - 2009. - Vol. 44, Is. 8. - С. 971-978. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2009.06.003
Ключевые слова (''Своб.индексиров.''): biological life support system--crops--human waste recycling--hydroponics--biological life support system--biological life support systems--biological productivity--control experiments--control plants--environmental conditions--expanded clay--human waste--human waste recycling--hydroponics--in-plants--macro element--mineral element--neutral solution--nutrient solution--photosynthetic apparatus--pisum sativum--plant growth--scale potential--spring wheat--triticum aestivum--vegetation periods--water extracts--wheat straws--clay minerals--crops--minerals--mining--nutrients--pilot plants--plant life extension--potassium--productivity--recycling--solvent extraction--vegetation--water content--plant shutdowns
Аннотация: The purpose of this work was to study the full-scale potential use of human mineralized waste (feces and urine) as a source of mineral elements for plant cultivation in a biological life support system (BLSS). Plants that are potential candidates for a photosynthesizing link were grown on a neutral solution containing human mineralized waste. Spring wheat Triticum aestivum L., peas Pisum sativum L. Ambrosia cultivar and leaf lettuce Lactuca sativa L., Vitaminny variety, were used. The plants were grown hydroponically on expanded clay aggregates in a vegetation chamber in constant environmental conditions. During plant growth, a determined amount of human mineralized waste was added daily to the nutrient solution. The nutrient solution remained unchanged throughout the vegetation period. Estimated plant requirements for macro-elements were based on a total biological productivity of 0.04 kg day-1 m-2. As the plant requirements for potassium exceeded the potassium content of human waste, a water extract of wheat straw containing the required amount of potassium was added to the nutrient solution. The Knop's solution was used in the control experiments. The experimental and control plants showed no significant differences in state or productivity of their photosynthetic apparatus. A small decrease in total productivity of the experimental plants was observed, which might result in some reduction of O{cyrillic}2 production in a BLSS. В© 2009 COSPAR.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ushakova S.A., Zolotukhin I.G., Tikhomirov A.A., Tikhomirova N.A., Kudenko Yu.A., Gribovskaya I.V., Balnokin Yu., Gros J.B.
Заглавие : Some methods for human liquid and solid waste utilization in bioregenerative life-support systems
Место публикации : Applied Biochemistry and Biotechnology. - 2008. - Vol. 151, Is. 2-3. - С. 676-685. - ISSN 02732289 (ISSN) , DOI 10.1007/s12010-008-8291-3
Ключевые слова (''Своб.индексиров.''): closure--human waste--life-support systems--salicornia--sodium chloride--above-ground biomass--biological lives--bioregenerative--closure--cultivation process--culture methods--human waste--irrigation waters--life-support systems--manned space missions--mineral elements--physico-chemical methods--salicornia--salicornia europaea--salt-tolerant--soil-like substrates--biomass--body fluids--electrodialysis--grain (agricultural product)--irrigation--liquids--metal refining--minerals--mining--oxidation--plant shutdowns--sodium chloride--soils--solid wastes--substrates--water supply--vegetation--article--biomass--controlled study--electrodialysis--halophyte--irrigation (agriculture)--microclimate--nonhuman--recycling--salicornia europaea--solid waste--bioremediation--dialysis--feces--goosefoot--growth, development and aging--human--methodology--salt tolerance--urine--waste management--wheat--batis maritima--salicornia--salicornia europaea--triticum aestivum--biodegradation, environmental--chenopodiaceae--dialysis--feces--humans--life support systems--salt-tolerance--triticum--urine--waste management
Аннотация: Bioregenerative life-support systems (BLSS) are studied for developing the technology for a future biological life-support system for long-term manned space missions. Ways to utilize human liquid and solid wastes to increase the closure degree of BLSS were investigated. First, urine and faeces underwent oxidation by Kudenko's physicochemical method. The products were then used for root nutrition of wheat grown by the soil-like substrate culture method. Two means of eliminating sodium chloride, introduced into the irrigation solution together with the products of urine oxidation, were investigated. The first was based on routine electrodialysis of irrigation water at the end of wheat vegetation. Dialysis eliminated about 50% of Na from the solution. This desalinization was performed for nine vegetations. The second method was new: after wheat cultivation, the irrigation solution and the solution obtained by washing the substrate containing mineral elements not absorbed by the plants were used to grow salt-tolerant Salicornia europaea L. plants (saltwort). The above-ground biomass of this plant can be used as a food, and roots can be added to the soil-like substrate. Four consecutive wheat and Salicornia vegetations were cultivated. As a result of this wheat and Salicornia cultivation process, the soil-like substrate salinization by NaCl were considerably decreased. В© 2008 Humana Press.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zolotukhin I.G., Tikhomirov A.A., Kudenko Yu.A., Gribovskaya I.V.
Заглавие : Biological and physicochemical methods for utilization of plant wastes and human exometabolites for increasing internal cycling and closure of life support systems
Место публикации : Advances in Space Research. - 2005. - Vol. 35, Is. 9 SPEC. ISS. - С. 1559-1562. - ISSN 02731177 (ISSN) , DOI 10.1016/j.asr.2005.01.006
Ключевые слова (''Своб.индексиров.''): blss--desalting--higher plants--nacl utilization--sls--biomass--crops--decomposition--electrodialysis--harvesting--metabolites--soils--wastes--blss--higher plants--nacl utilization--sls--plants (botany)--biomass--decay--deionization--harvesting--plants--soil--wastes--wheat--sodium chloride--article--biomass--bioremediation--culture medium--feces--growth, development and aging--human--metabolism--methodology--microbiology--microclimate--urine--waste management--wheat--biodegradation, environmental--biomass--culture media--ecological systems, closed--feces--humans--life support systems--sodium chloride--soil microbiology--triticum--urine--waste management
Аннотация: Wheat was cultivated on soil-like substrate (SLS) produced by the action of worms and microflora from the inedible biomass of wheat. After the growth of the wheat crop, the inedible biomass was restored in SLS and exposed to decomposition ("biological" combustion) and its mineral compounds were assimilated by plants. Grain was returned to the SLS in the amount equivalent to human solid waste produced by consumption of the grain. Human wastes (urine and feces) after physicochemical processing turned into mineralized form (mineralized urine and mineralized feces) and entered the plants' nutrient solution amounts equal to average daily production. Periodically (once every 60-70 days) the nutrient solution was partly (up to 50%) desalinated by electrodialysis. Due to this NaCl concentration in the nutrient solution was sustained at a fixed level of about 0.26%. The salt concentrate obtained could be used in the human nutrition through NaCl extraction and the residuary elements were returned through the mineralized human liquid wastes into matter turnover. The control wheat cultivation was carried out on peat with use of the Knop nutrient solution. Serial cultivation of several wheat vegetations within 280 days was conducted during the experiment. Grain output varied and yield/harvest depended, in large part, upon the amount of inedible biomass returned to SLS and the speed of its decomposition. After achieving a stationary regime, (when the quantity of wheat inedible biomass utilized during vegetation in SLS is equal to the quantity of biomass introduced into SLS before vegetation) grain harvest in comparison with the control was at most 30% less, and in some cases was comparable to the control harvest values. The investigations carried out on the wheat example demonstrated in principle the possibility of long-term functioning of the LSS photosynthesizing link based on optimizations of biological and physicochemical methods of utilization of the human and plants wastes. The possibilities for the use of these technologies for the creation integrated biological-physicochemical LSS with high closure degree of internal matter turnover are discussed in this paper. В© 2005 Published by Elsevier Ltd on behalf of COSPAR.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zavorueva E.N., Ushakova S.A.
Заглавие : Characteristics of slow induction curve of chlorophyll fluorescence and CO2 exchange for the assessment of plant heat tolerance at various levels of light intensity
Колич.характеристики :8 с
Место публикации : Russ. J. Plant Physiol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2004. - Vol. 51, Is. 3. - P294-301. - ISSN 1021-4437, DOI 10.1023/B:RUPP.0000028674.39572.1c
Примечания : Cited References: 18
Ключевые слова (''Своб.индексиров.''): triticum aestivum--raphanus sativus var. minor--fluorescence--heat tolerance--pigments--co2 exchange
Аннотация: The heat tolerance of wheat (Triticum aestivum L.) and radish (Raphanus sativus L. var. minor) cenoses exposed to elevated and damaging air temperatures (35 degreesC for 20 h, 45 degreesC for 7 h) under photoculture conditions at various levels of photosynthetically active radiation (PAR) was assessed by measuring characteristics of the slow induction curve of chlorophyll fluorescence at 682 and 734 nm and the CO2 exchange rate. Irrespective of the illumination level, the exposure of the cenoses to 35 degreesC did not induce irreversible changes in the plant photosynthetic apparatus. The lowest extent of damage to wheat and radish cenoses exposed to 45 degreesC was observed at 150 W/m(2) of PAR, whereas the highest damage of the plants was observed at an illumination level that was close to the compensation point of the cenose photosynthesis (50-70 W/m(2) of PAR at air temperature of 24 degreesC). Viability index proved to be the most sensitive. characteristic, compared to other characteristics, which were determined by measuring the slow phase of fluorescence induction at 682 and 734 nm. In the cenoses studied, the pattern of changes in the viability index in response to a stress factor was close to the changes in the photosynthetic rate.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Gribovskaya I.A., Tirranen L.S., Manukovsky N.S., Zolotukhin I.G., Karnachuk R.A., Gros J.-B., Lasseur Ch.
Заглавие : Light intensity and production parameters of phytocenoses cultivated on soil-like substrate under controled environment conditions
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 7. - С. 1775-1780. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)80020-0
Ключевые слова (''Своб.индексиров.''): bacteria--biology--crops--photosynthesis--substrates--light intensity--space research--biosphere--biomass--carbon dioxide--colony count, microbial--culture media--ecological systems, closed--enterobacteriaceae--life support systems--light--photosynthesis--plant transpiration--raphanus--soil microbiology--triticum--water microbiology
Аннотация: To increase the degree of closure of biological life support systems of a new generation, we used vermicomposting to involve inedible phytomass in the intra-system mass exchange. The resulting product was a soil-like substrate, which was quite suitable for growing plants (Manukovsky et al. 1996, 1997). However, the soil-like substrate can be regarded as a candidate for inclusion in a system only after a comprehensive examination of its physical, chemical, and other characteristics. An important criterion is the ability of the soil-like substrate to supply the necessary mineral elements to the photosynthesizing component under the chosen cultivation conditions. Thus, the purpose of this work was to study the feasibility of enhancing the production activity of wheat and radish crops by varying the intensity of photosynthetically active radiation, without decreasing the harvest index. The increase of light intensity from 920 to 1150 ?molВ·m -2В·s -1 decreased the intensity of apparent photosynthesis of the wheat crops and slightly increased the apparent photosynthesis of the radish crops The maximum total and grain productivity (kg/m 2) of the wheat crops was attained at the irradiance of 920 ?molВ·m -2В·s -1. Light intensity of 1150 ?molВ·m -2В·s -1 decreased the productivity of wheat plants and had no significant effect on the productivity of the radish crops (kg/m 2) as compared to 920 ?molВ·m 2В·s -1. The qualitative and quantitative composition of microflora of the watering solution and substrate was determined by the condition of plants, developmental phase and light intensity. By the end of wheat growth under 1150 ?molВ·m -2В·s -1 the numbers of bacteria of the coliform family and phytopathogenic bacteria in the watering solution and substrate were an order of magnitude larger than under other illumination conditions. The obtained data suggest that the cultivation of plants in a life support system on soil-like substrate from composts has a number of advantages over the cultivation on neutral substrates, which require continual replenishment of the plant nutrient solution from the system's store to complement the macro- and microelements. Yet, a number of problems arise, including those related to the controlling of the production activity of the plants by the intensity of photosynthetically active radiation. It is essential to understand why the intensity of production processes is limited at higher irradiation levels and to overcome the factors responsible for this, so that the soil-like substrate could have an even better chance in the competition for the best plant cultivation technology to be used in biological life support systems. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tikhomirov A.A., Ushakova S.A., Manukovsky N.S., Lisovsky G.M., Kudenko Yu.A., Kovalev V.S., Gubanov V.G., Barkhatov Yu.V., Gribovskaya I.V., Zolotukhin I.G., Gros J.B., Lasseur Ch.
Заглавие : Mass exchange in an experimental new-generation life support system model based on biological regeneration of environment
Место публикации : Advances in Space Research. - 2003. - Vol. 31, Is. 7. - С. 1711-1720. - ISSN 02731177 (ISSN) , DOI 10.1016/S0273-1177(03)80017-0
Ключевые слова (''Своб.индексиров.''): biomass--photosynthesis--plants (botany)--transpiration--mass exchange--life support systems (spacecraft)--ammonia--nitrogen--oxygen--biosphere--animal--annelid worm--article--biological model--biomass--bioremediation--evaluation--growth, development and aging--human--metabolism--microclimate--photosynthesis--pleurotus--radish--wheat--ammonia--animals--biodegradation, environmental--biomass--ecological systems, closed--evaluation studies--humans--life support systems--models, biological--nitrogen--oligochaeta--oxygen--photosynthesis--pleurotus--raphanus--triticum
Аннотация: An experimental model of a biological life support system was used to evaluate qualitative and quantitative parameters of the internal mass exchange. The photosynthesizing unit included the higher plant component (wheat and radish), and the heterotrophic unit consisted of a soil-like substrate, California worms, mushrooms and microbial microflora. The gas mass exchange involved evolution of oxygen by the photosynthesizing component and its uptake by the heterotroph component along with the formation and maintaining of the SLS structure, growth of mushrooms and California worms, human respiration, and some other processes. Human presence in the system in the form of "virtual human" that at regular intervals took part in the respirative gas exchange during the experiment. Experimental data demonstrated good oxygen/carbon dioxide balance, and the closure of the cycles of these gases was almost complete. The water cycle was nearly 100% closed. The main components in the water mass exchange were transpiration water and the watering solution with mineral elements. Human consumption of the edible plant biomass (grains and roots) was simulated by processing these products by a unique physicochemical method of oxidizing them to inorganic mineral compounds, which were then returned into the system and fully assimilated by the plants. The oxidation was achieved by "wet combustion" of organic biomass, using hydrogen peroxide following a special procedure, which does not require high temperature and pressure. Hydrogen peroxide is produced from the water inside the system. The closure of the cycle was estimated for individual elements and compounds. Stoichiometric proportions are given for the main components included in the experimental model of the system. Approaches to the mathematical modeling of the cycling processes are discussed, using the data of the experimental model. Nitrogen, as a representative of biogenic elements, shows an almost 100% closure of the cycle inside the system. The proposed experimental model of a biological system is discussed as a candidate for potential application in the investigations aimed at creating ecosystems with largely closed cycles of the internal mass exchange. The formation and maintenance of sustainable cycling of vitally important chemical elements and compounds in biological life support systems (BLSS) is an extremely pressing problem. To attain the stable functioning of biological life support systems (BLSS) and to maintain a high degree of closure of material cycles in them, it is essential to understand the character of mass exchange processes and stoichiometric proportions of the initial and synthesized components of the system. В© 2003 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
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