POTASSIUM REGIME OF IRRIGATED CHERNOZEMS IN VARIOUS AGROTECHNICAL BACKGROUNDS

POTASSIUM REGIME OF IRRIGATED CHERNOZEMS IN VARIOUS AGROTECHNICAL BACKGROUNDS

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The changes under the influence of irrigation and fertilization systems of the fractional potassium composition of the soils in the Southern Ukraine, Chernozem ordinary and Chernozem southern are considered.The amount of groups of potentially available potassium in the layer 0-30 click here cm are growing up under the influence of irrigation on 40,3% and 57,5% compared with bogarne conditions in the Chernozem ordinary.The rate of fertilizer (manure 200 t/ha + N200P200K60) is made under the basic treatment of the first rotation crop in the wella color touch 77 45 aftereffect for 11th year provides a positive balance of exchange potassium in the Chernozem ordinary even if the original content is reduced by 2,1 times more.