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THE INFLUENCE OF NITROGEN FERTILIZER ON HERBAGE OF ALFALFA UNDER CONDITIONS OF IRRIGATED GRAY SOILS OF SOUTH KAZAKHSTAN REGION
Journal: The Way of Science (Vol.1, No. 50)Publication Date: 2018-04-27
Authors : Tastanbekova G.R. Sydyk D.A. Kashkarov A.A.;
Page : 44-46
Keywords : alfalfa; humus substance; fertilizer; mineral nitrogen; soil; labile phosphorus; exchangeable potassium.;
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Abstract
. The article presents research data of the impact of divided norms of application of nitrogen fertilizers on the mowing cycles on alfalfa fields of different growth years. As a result of the conducted researches, the greatest productivity of herbage in the sum for four cycles of mowing (693,7 t/ha) is received on alfalfa crops of the fourth year of life on the fertilized background.
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Last modified: 2018-11-13 18:38:07