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It is shown that modern methods of land amelioration cannot maintain optimum root-zone soil moisture every day during the entire vegetation period; in practice, it is calculated with consideration of allowable limits. A method is given for calculating the ranges of optimum groundwater levels during regulation of the water regime in soils of ameliorated… (More)
In a lysimetric experiment under the influence of organic and organomineral fertilizer systems, bioelements Zn and Cu are significantly more delayed in the pedosphere. Organic fertilizers promote retention Pb and Cd in the soil, and mineral ones promote their alienation from the pedosphere.