For citations:

Eleshev R.E., Umbetov A.K., Balgabayev A.M., Zhapparova A.A. EFFICIENCY OF VARIOUS SYSTEMS OF FERTILIZERS ON EFFICIENCY OF OIL-BEARING CROPS IN THE CONDITIONS OF THE IRRIGATED ZONE OF THE SOUTHEAST OF KAZAKHSTAN. Soil Science and Agrichemistry. 2019;(2):55-63. (In Russ.)