ЗЕМЛЕРОБСТВО fertilization varied within 5, 32 6, 16 t/ha in the control variant (without fertilizers)–4, 22 t/ha. The largest percentage increase–(39 45%) and the highest increase in productivity (1, 63 1, 94 t/ha) provided mineral and organic mineral fertilizer system. Organic fertilizer system ensured productivity growth culture at 26%(1, 10 t/ha). Analyzing other crops yield 4 rotation of the fields, it should be noted that the organic system is inferior in terms of productivity mineral and organo mineral, but provided a yield increase of grain: corn 1, 78 t/ha, spring barley–0, 87, peas–0, 18 t/ha opposite to variant without fertilization. Analysis of overall performance showed that the fields 4 rotations system for organic fertilization provided a higher level of grain yield (for 1, 01 t/ha) compared with no option of including fertilizer, feed units on 1, 95 t/ha of grain–1, 21 t/ha and digestible protein 0, 12 t/ha. Conclusions. In average years of research the total cost of water on the formation of a unit of dry matter yield crops of the fields 4 rotations showed significant reduction in their version of organic fertilizer system compared to control 19, 4 51, 8%. The use of organic fertilizer system in short cycle rotation grain crops: winter wheat, peas, maize, barley, for increasing crop yield compared to alternative fertilizers without taking away: peas by 8.4%, spring barley by 29%, corn 33% of winter wheat by 26%.