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Production process in Salicornia europaea plants as a prospective phototrophic constituent in bioregenerative life support systems / N. A. Tikhomirova, S. A. Ushakova, G. S. Kalacheva // Russian Journal of Plant Physiology. - 2009. - Vol. 56, Is. 1. - P22-28, DOI 10.1134/S102144370901004X . - ISSN 1021-4437
Кл.слова (ненормированные):
Ambient CO 2 -- Gas exchange -- Halophyte -- Macronutrients -- Productivity -- Salicornia europaea -- Salt tolerance -- Salicornia europaea
Аннотация: Plant productivity of a common glasswort Salicornia europaea L. was investigated in relation to the type of nitrogen nutrition and as a function of macronutrient concentrations mimicking the mineral composition of human urine. The source of nutrient nitrogen had no substantial effect on productivity of Salicornia europaea. In plants grown on media with amide as a nitrogen source, the content of nitrogenous substances, including glutamic and aspartic amino acids, was higher than in plants grown with nitrate. In plants grown on media with mineral composition analogous to that of human urine, the shoots accumulated Na and K in almost equally high amounts, on the background of high and nearly equal Na and K concentrations in the nutrient media. В© 2008 MAIK Nauka.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tikhomirova, N.A.; Ushakova, S.A.; Kalacheva, G.S.

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The effect of supplementation of the soil-like substrate with wheat straw mineralized to different degrees on wheat productivity in closed ecosystems / V. V. Velichko, A. A. Tikhomirov, S. A. Ushakova [et al.] // Life Sci. Space Res. - 2020. - Vol. 26. - P132-139, DOI 10.1016/j.lssr.2020.06.001 . - ISSN 2214-5524
Кл.слова (ненормированные):
Biological-technical human life support system -- Physicochemical mineralization of straw -- Soil-like substrate -- Wheat (Triticum aestivum L) -- hydrogen peroxide -- alternating current -- aqueous solution -- Article -- controlled study -- electric current -- evapotranspiration -- grain yield -- growing season -- harvest index -- irrigation (agriculture) -- macronutrient -- microclimate -- mineralization -- nitrogen concentration -- nutrient availability -- nutrient solution -- oxidation -- physical chemistry -- plant development -- plant growth -- priority journal -- sediment -- shoot -- soil like substrate -- soil treatment -- spikelet -- supernatant -- Triticum aestivum
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

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Velichko, V. V.; Tikhomirov, A. A.; Ushakova, S. A.; Trifonov, S. V.; Gribovskaya, I. V.

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