OPTIMIZATION OF MINERAL NUTRITION OF WINTER RYE
In condition of the right-bank forest-steppe of Ukraine on the black soil podzolic for the low content of mineral nitrogen compounds for getting 4,0-5,0 t/ha grain winter rye nitrogen fertilizers must be applied in the spring (II stage of organogenesis) normal N<sub>30</sub> and in the begin of exit of plants in the tube (IV stage of organogenesis) - N<sub>60</sub> on the fond Р<sub>60</sub>К<sub>60</sub> that were applied under primary tillage in the fall.