Keywords: organic fertilizers on peat basis, sodpodzolic soil, crop rotation, productivity

// Мелиорация. – 2017. – №1(79).– С. 57—61

The article compared the profit of organic fertilizer on peat basis and other organogenic materials in equal nitrogen dozes and described combined use of mineral fertilizers. It was studied how fertilizers affected agro and chemical features of sod-podzolic sandy loam soils and crop productivity of fourfold rotation. Combined use of fertilizers improved agro chemical soil state what increased crop productivity of field crop rotation