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Remote assay for chlorophyll photosynthetic potential of crops on the example of wheat [Text] / A. F. Sid'ko // Biol. Bull. - 2004. - Vol. 31, Is. 5. - P. 450-456, DOI 10.1023/B:BIBU.0000043769.80086.02. - Cited References: 20 . - ISSN 1062-3590

РУБ Biology

Аннотация: An optical remote assay for biological production of crops in the field during the vegetation period is proposed. Our calculations demonstrate a good correlation between the S(t) value and crop yield (in the range from 0.85 to 0.90); the higher is S(t) for the vegetation period, the higher is the crop yield. S(t) value can be used to calculate the increase in dry and wet biomass for various crops during the whole vegetation period with an error of less than 10-12%. The absolute error of crop yield for 110 cultivars of wheat, oats, and barley during the experimental period was +/-3-3.5 quintal/ha with the mean crop yield of 14-38 quintal/ha.

WOS
Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sid'ko, A.F.

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Remote assay for chlorophyll photosynthetic potential of crops on the example of wheat [Text] / A. F. Sid'ko // Biol. Bull. - 2004. - Vol. 31, Is. 5. - P450-456, DOI 10.1023/B:BIBU.0000043769.80086.02. - Cited References: 20 . - 7. - ISSN 1062-3590

РУБ Biology

Аннотация: An optical remote assay for biological production of crops in the field during the vegetation period is proposed. Our calculations demonstrate a good correlation between the S(t) value and crop yield (in the range from 0.85 to 0.90); the higher is S(t) for the vegetation period, the higher is the crop yield. S(t) value can be used to calculate the increase in dry and wet biomass for various crops during the whole vegetation period with an error of less than 10-12%. The absolute error of crop yield for 110 cultivars of wheat, oats, and barley during the experimental period was +/-3-3.5 quintal/ha with the mean crop yield of 14-38 quintal/ha.

Держатели документа:
Russian Acad Sci, Siberian Div, Inst Biophys, Krasnoyarsk 660036, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sid'ko, A.F.

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A study of backscattered spectra dynamics of agricultural crops during growth period on the territory of the Krasnoyarskii Krai (Russia) / I. Yu. Pugacheva, A. F. Sid'ko, A. P. Shevyrnogov // Advances in Space Research. - 2010. - Vol. 45, Is. 10. - P1224-1230, DOI 10.1016/j.asr.2009.11.020 . - ISSN 0273-1177
Кл.слова (ненормированные):
Barley -- Oats -- Spectral brightness coefficients -- Spectral reflectance -- Wheat -- Agricultural crops -- Back-scattered -- Data base -- Ecological state -- Field ground -- Growth period -- Optical thickness -- Satellite data -- Seasonal dynamics -- Space image -- Spatial distribution -- Species composition -- Spectral brightness -- Spectral curves -- Spectral differences -- Spectral reflectances -- Underlying surface -- Reflection -- Size distribution -- Crops
Аннотация: The work presents the results of the study aimed at determining the seasonal dynamics of the spectral brightness and reflectance of agricultural crops (wheat, barley and oats) in the Krasnoyarskii Krai (Russia). The analysis of spectral curves obtained through field ground measurements and from satellite data showed that fine spectral differences can be used to study the spatial distribution of various types of vegetation and their ecological state. Based on the created electronic spectral brightness data base, the possibilities are shown of using spectrophotometric information for determining morphophysiological changes occurring in the plants and their species composition. The determined contrasts can be effectively used to obtain necessary information while processing space images, which suffer from natural interferences (varying optical thickness of the atmosphere, cloudiness, alterations in the scanner's angle of view, varying solar height, and highly inhomogeneous underlying surface). В© 2010 COSPAR.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, 50-50 Akademgorodok, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Pugacheva, I.Yu.; Sid'ko, A.F.; Shevyrnogov, A.P.

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