Agricultural and Resource Economics (Nov 2015)
Efficiency of biological preparations in the biological agriculture on reclaimed lands of Volyn Poliss
Abstract
The research results showed that the use of organic and mineral fertilizers in the grain – fodder crop rotation facilitates improving soil nutritive regime and increasing soil fertility by increasing the content of easy hydrolysable nitrogen, movable phosphorus and exchange potassium in sod – podzolic sandy loam gley soil. Presowing inoculation of maize, field pea and spring barley seeds using such inoculation preparations as rizogumin, mikrogumin and biogran gives a positive effect on soil nutritive regime. This allows to increase the content of nitrogen by 5–10 % and phosphorus – 9–16 %. It was experimentally proved the appropriateness of biogran inoculation preparation use in the biological fertilize system in the sod-podzolic soil of Volyn Polissya region, that allows to increase the productivity of green maize to 40–45 t/ha as well as the rizogumin use allows to increase the productivity of field pea in the organic-mineral system to – 37–40 t/ha. Economic assessment of inoculation preparations use in various fertilize systems while green maize, field pea and spring barley cultivation on sod-podzolic soil was made.
