DYNAMICS OF FERTILITY ELEMENTS OF ALLUVIAL - MEADOW SALINE SOILS IN EXPERIMENTAL PLOT UNDER MELILOTUS
Abstract
The paper presents the results of seasonal dynamics of nutrients in alluvial meadow saline soils in experimental area under fodder crop melilot. Conducted experiments on manure background with application of humic-adaptogen drug PA 2-1 are characterized by increase of their fertility. In soil nitrate mode a clear dependence on the phase of cultivated melilot crop has been observed. A significant amount of mobile phosphorus and exchangeable potassium has been observed in spring. During the summer period a gradual decrease in concentration of these elements has been observed. At the end of the summer a gradual increase in concentration of nutrients has been observed. Nutrient elements concentration in all variants of the experiment is higher in arable horizon of pilot area.
About the Authors
A. S. Saparov
Kazakh Research Institute of Soil Science and Agrochemistry after U.U. Uspanov
Kazakhstan
Kazakhstan
S. N. Dosbergenov
Kazakh Research Institute of Soil Science and Agrochemistry after U.U. Uspanov
Kazakhstan
Kazakhstan
B. . Mukhambetov
Atyrau Branch of Southwest Research Institute of Animal Husbandry and Crop production
Kazakhstan
Kazakhstan
References
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Review
For citations:
Saparov A.S., Dosbergenov S.N., Mukhambetov B. DYNAMICS OF FERTILITY ELEMENTS OF ALLUVIAL - MEADOW SALINE SOILS IN EXPERIMENTAL PLOT UNDER MELILOTUS. Soil Science and Agrichemistry. 2016;(4):22-29. (In Russ.)
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