Development zakustarennyh land by results of modeling in lysimeters
2017
Yapo Olivier Adiko | N A Semenov | A V Shuravilin
Powered results of experiments on the effect of lysimetric plowing tree and shrub biomass in the sod-podzolic medium loamy soil on yield, nutrients concentration and accumulation of biochemicals substances in aboveground mass sowns grasses fourth to seventh year of use. Studied the formation of productivity of perennial grasses, the loss of nutrients - nitrogen, phosphorus, potassium, calcium on the disapprove background and minerals fertilizers depending on the plowed biomass. The dynamics of the yield, the concentration of nutrients of plant nutrition (NPKCa) and their accumulation in the aboveground part of the sown cereal grass as for years, and an average of four years of research in natural fertility and minerals fertilizers. A comparative assessment of the yield, nutrients and biochemicals sown cereal disapproved herbage, compared with the control (arable land), which pointed to a significant shortfall in crop yields in versions with embedded biomass (shoots of willow, melkoles birch and aspen), an average of 15-20%. On fertilized sown cereal herbage compared with disapprove background herbs yield increased as the plow, and in making biomass - from 35 to 70%. The most optimals conditions for nitrogen absorption grasses over years and an average of 4 years, created when terminating bush aspen.
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