Ecological assessment of the level of the soil-agrochemical state of arable land of various types of facies within the types of tracts of the agricultural landscape in the Volga upland
2018
On land use of the Research Agricultural Institute for South-East Region, there are 2 types of tracts with 9 types of facies on them. In all facies, the features of the distribution of the main environmental factors in the formation of soil fertility and productivity of cultivated crops were studied. The differences in the content of productive moisture in the soils of these facies by the seasons of the year are considered. Indicators of the average content of humus by type of facies are identified. The availability of mobile forms of phosphorus and potassium is at a sufficiently high level and does not require additional application of phosphate and potash fertilizers. The harvest of spring wheat is formed in accordance with the ecological soil conditions. On the watershed type of tracts, it was 2.9 t / ha, and on the tracts of the northeastern and southwestern slopes - 1.55 and 1.3 t / ha respectively.
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