AGROENERGETIC AND ECONOMICAL EFFICIENCY OF LONGETIMES HAY-STANDS CREATION

Abstract

The article presents the study results, where longtime 64 years old grass-stand during last 13 years on the non-fertilized phone and with misbalanced fertilization has reconfigured into the pastures type with 80% cereals including 61% red fescue. On the NPK phone remains hay’s grass-stand in which maintenance of the meadow foxtail attains 74% and on the higher nitrogen fertilizer’s doze (N180 ) – of the brome grass till 40 %. The yield capacity of the grass-stands formed in result of the regressive succession was 3,6-5,8 t/ ha and from progressive – 6,3-8,4 t/ha. Capital expenditures under the prevailing pricing conditions are 9-10 thousand rubles / ha and pay off in 1-2 years to create long-term hayfields. The system of care and the mode of using long-term hayfields ensures their high productivity (3.2-5.8 thousand forage units / ha) while saving capital investments 6.8-10 times.