The increase of field feed production efficiency in the sub-total of the Omsk region

The results of long-term researches of scientists conducted in subtaiga zone of the Omsk region, and also our results of studying predecessors and the place in crop rotation of fodder beans cultivated in polyspecific crops (2006-2015) are presented in the study. In the conditions of subtaiga zone of the Omsk Region where specialization of farms is generally livestock, big part is assigned to the production of forages. In connection with developed economic situation in the country pro-duction of forages has to be guided by minimization of material and monetary expenses, and it is possible only at adaptive and landscape system of agriculture. There-fore in each region, in each farm the mechanism of pro-duction of forages which would consider soil climatic conditions and economic opportunities of the farm has to be debugged. Thus introduction of crop rotations will allow not only increasing the productivity of cultivated cultures, but also will improve the structure and increase the fertility of the soil. As a result of studying of prede-cessors it was revealed that on gray forest soils for fod-der beans and mixes: 1) the best predecessor is sun-flower; so, at one-specific crops of fodder beans produc-tivity made 29.5 t/hectare of green material, and in polyspecific crops fluctuated from 32.2 to 35.2 t/hectare; 2) good harvests turn out on spring wheat and winter rye. Essential distinctions in productivity on winter rye and spring wheat was not observed; 3) the worst prede-cessor is flax as after flax the soil is heavily condensed, it has adverse effect on the formation of tubers bacteria. On flax herbage of beans, both in one-specific, and in polyspecific crops was low (62-71 cm) and pitted, and plants (stalks) of beans were thin.