Abstract
In the Vologda region over 2016–2018 on average on sod-podzolic medium loamy soil the studies revealed that the calculated doses of fertilizers increase the yield of green mass of the oatmeal mixture by 38–48%, the accumulation of crude protein increases by 315–369 kg/ha, the metabolic energy increases by 26.3–31.8 GJ/ha compared to the reference. In terms of reimbursement, there is an advantage of the organomineral fertilizer system of annual crops over the equivalent mineral fertilizer system by 4.6 kg of green mass and by 12 MJ of metabolic energy per 1 kg of fertilizers.
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