Protein productivity of crop rotation when using fertilizers

It has been found that the calculated doses of fertilizers increase the yield of green mass of vetch-oats mixture by 38-48 %, by 62-77 % winter rye grain, by 87-109 % potato tubers, by 112-131 % barley grain in the conditions of the Vologda region on sod-podzolic medium-loamy soil for 2016-2018 compared to the control group. The productivity of crop rotation when using fertilizers reaches 4.5-6.5 tons / ha per year. When applying fertilizers, the content of “ raw “ protein goes up in the green mass of vetch-oats mixture by 0.25-1.0 % or 2-8 relative %, in winter rye grain by 1.02-2.97 % or 9-26 relative %, in potato tubers by 0.3-1.3 % or 3-13 relative % compared to the control group. The same is true in barley grain only when using calculated fertilizer systems by 1.19-2.13 % or 10-17 relative % compared to the control one. The collection of “ raw “ protein increases when using calculated fertilizer systems green mass of vetch-oats mixture by 315-369 kg / ha or 45-53 %, winter rye grain 218-274 kg / ha (about 2 times), potato tubers 329-440 kg / ha (102-137 %), barley grain 262-322 kg / ha (2.4-2.7 times).