Dutka G. Productivity pastures depending on influence the mineral fertilizers and mode of the use in part Western Wooded Steppe Ukraine

A research object is a process of the forming of productivity of bob-cereal pastures for cattle and horse in the conditions of the western Forest-steppe of Ukraine depending on the system of fertilizer and modes of the use. Purpose - scientifically to ground the processes of the forming of the productivity of bob-cereal phytocenosis on a pasture for cattle and horse and to perfect the system of fertilizer and modes of the use of cultural pastures in the conditions of the western Forest-steppe of Ukraine. Methods of researches: field in combination with visual, calculation, device-gravimetric, laboratory-chemical, matematical-statestical, calculation-comparative. In dissertation work the results of researches are expounded on the questions of study of the productivity of bob-cereal pastures for cattle and horse at different norms and terms of bringing of the mineral fertilizers and different modes of the use, and also the economic and power evaluation of the creation and use of such pastures is carriedout. It is suggested for the increase of the productivity and food value of bob-cereal phytocenosis on black earth of to bring in a complete mineral fertilizer in the norm of N30+30 after next alienation of gramma on a background Р90K90; at the different modes of the use of bob-cereal phytocenosis to give advantage two hay-crops of hay and one next alienation of gramma. The results of scientific researches are inculcated in Yagil'nitskomu of stud farm (Chortkiv district, Ternopil area) on the area of 90 ga and in PLE "Ivanivske" (Terebovlya district, Ternopil area) on the area of 90 ga. A sphere of the use is agriculture.