Mustafina L.R., Ichsanov R.G, Mindibaev R.A.
THE BALANCE OF NUTRIENTS IN THE DIFFERENT SYSTEMS OF FERTILIZERS IN THE GRAIN-LEA-PLOW CROP ROTATION IN BUISKO-TANYPS INTER FLUE OF THE REPUBLIC OF BASHKORTOSTAN ^{[№ 6 ' 2013]}
It was made a field experiment to study the reproduction of soil fertility in grain-lea-plow crop rotation, was established a balance of nutrients in the different systems of fertilizers.