Biologinių preparatų įtaka žieminių rapsų produktyvumui

Abstract

In 2011 research of f biological preparations usage in winter rape crops were held in ASU experimental station. The soil type - Calc(ar)i-Epihypogleyic Luvisols (LVg-p-w-cc). The biological preparations that were tested in winter rapes : Tips, increased plant resistance to averse environmental factors, resulting in stronger corps and lower losses of plants raring the vegetation process. The highest yield of winter rape seed (3.25 t ha"1) was obtained when combination of biological agents Azofit -1 1 ha"1 and Amalgerol - 3 1 ha"1 used on the preceding crop stubble in the autumn and in spring in winter rape crop at bud formation stage. The biological preparations that were tested in winter rape, in all cases had the tendency to increase the average productivity of one plant and also of 1000 seed weight