TY - JOUR T1 - Imbalance of nutritional substances of the soil at the modern stage of development of agricultural production in Russia JO - Eurasian Journal of Soil Science VL - 8 IS - 2 SP , EP - 167 - 175 KW - Gross yield, arable area, productivity of land, nutrients, fertilizers, nutrient balance, natural fe SN - 2147-4249 DO - 10.18393/ejss.551268 PY - 2019 PB - Federation of Eurasian Soil Science Societies ER -