Engineering & Technologies, 2016, 9(8), 1333-1339 ~ ~ ~ УДК 528. 855 Estimation of Chlorophyll Content of Barley and Oats Crops Based on Refl ectance Spectra Obtained by Ground-Based Remote Measurements Alexander F. Sid`ko*, Tamara I. Pisman, Irina Yu. <...> Botvich and Anatoly P. Shevyrnogov Institute of Biophysics of the SB RAS 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia Received 19.10.2016, received in revised form 09.11.2016, accepted 29.11.2016 The purpose of this study is analysis of relationship between chlorophyll content and chlorophyll photosynthetic potential of oats and barley cultivars. <...> For this aim we used ground remote sensing and laboratory data. <...> Ground data were obtained at the experimental fi elds, located in the Krasnoyarsk region. <...> Experiments were carried out in different seasons, under various lighting conditions with the control of plants state. <...> Spectral measurements were done by double-beam spectroradiometer. <...> It is installed on the mobile work platform at heights of 5 to 18 m. <...> The study showed good correlation between chlorophyll photosynthetic potential and chlorophyll content for different oats and barley cultivars. <...> The value of chlorophyll photosynthetic potentials is different for barley and oats cultivars during the growing season. <...> Citation: Sid`ko A.F., Pisman T.I., Botvich I.Yu., Shevyrnogov A.P. Estimation of chlorophyll content of barley and oatscrops based on refl ectance spectra obtained by ground-based remote measurements, J. Sib. <...> All rights reserved * Corresponding author E-mail address: sidko@ibp.krasn.ru; pech@ibp.ru # 1333 # Alexander F. Sid`ko, Tamara I. Pisman… Estimation of Chlorophyll Content of Barley and Oats Crops Based… Оценка содержания хлорофилла посевов ячменя и овса на основе спектров отражения при наземном дистанционном зондировании А. <...> Introduction Considerable changes in refl ection spectra of the crops during their growing season are associated with accumulation and destruction of plant pigments, basically chlorophyll [1, 2]. <...> Determination of chlorophyll content of the plant by conventional methods in laboratory is costly and labor intensive. <...> This makes it necessary the development of express remote optical methods for assessing the content of chlorophyll in crops. <...> In Shibayama and Akiyama report [4] shown good <...>