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The article presents the results of a quantitative assessment of the productivity of agrocoenosis according to Terra MODIS within the steppe zone of Khakasia. The gross primary production of various agrocoenosis during the growing season ranges from 3.42 to 7.41 kg/m 2 . On average, the integral productivity for the growing season of 2018 was for wheat – 5.01 ± 1.04 kg / m 2 , oats – 4.86 ± 1.12 kg / m 2 , barley – 4.52 ± 0.42 kg / m 2 , buckwheat – 5.25 kg / m 2 , hayfields – 4.86 ± 0.45 kg / m 2 , deposits – 4.39 ± 0.40 kg / m 2 . Least of all phytomass were some arable fields and low-yielding crops of wheat and abandoned lands, and most of all perennial grasses and high-yielding wheat and oats. The GPP indicators are associated with the sum of positive temperatures positively (R 2 ×0.673), to a lesser extent (R 2 ×0.333) with a hydrothermal coefficient for the examined agrocoenosis. The most productive crops and fertile territories were determined based on the seasonal and long-term dynamics of gross productivity. An increase in productivity for some agrocenoses was noted in 2018 according to satellite data.

The productivity of agrocoenosis in the steppe zone of Khakasia according to Terra Modis