Sorry, we do not have enough data to show an influence graph for this author.
- Full text PDF available (0)
It is established on the basis of a statistical analysis of data on the yield of cereal and tilled crops and obtained regression equations that the yield on chernozems and gray forest soils is directly proportional to humus reserves in the 0–50 cm soil layer. From the standpoint of producing plant industry products, these reserves evaluate soil quality. In… (More)