Change of indexes of fertility and cellulose activity of soil for growing of cereal sward depending on a fertilizer
DOI:
https://doi.org/10.31548/agr2020.01.033Keywords:
fertilizer, root, soil, cereal herbares, nutritives, haying use, cellulose activity, indexes of fertilityAbstract
The results of researches are reflected in relation to the change of indexes of fertility and cellulose activity of soil for till of cereal herbares depending on a fertilizer. Bringing of phosphoric - of potassium fertilizers in the dose of P60K90 substantially influenced on the accumulation of dry root mass only at the united bringing them with nitrogen. On a background bringing of N75 the increase of root mass increased on 0,63 t/ha, and on a background N150 - on 0,63 t/ha.
Change of indexes of fertility and cellulose activity of soil for growing of cereal травостоев depending on Most root mass accumulated for bringing of mineral fertilizers in the doses of N150P60K90, and least - in a variant without fertilizers. To phosphorus, in the roots of cereal травостоя in a top-soil on the different variants of fertilizer from 11 to 17 kg/ha accumulated in limits and, and to potassium - within the limits of 50 - 76 kg/ha.
Under operating of the annual bringing on cereal травостой of N75 separately or in combination with bringing of P60K90 cellulose activity of soil increased on 4 - 5 for bringing of N150 – 6%.References
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