[The scientific foundations and rational way for use of fertilizers in vegetable farming of the South-East Kazakhstan: Diss., D.Sc. (Agr. Sc.)]
1998
Mamyshov, M. (The Kazakh State Agrarian University, Almaty (Kazakhstan))
Subject of investigation: mountain eluviated chernozems, foothills dark and light chestnut soils and mountain-valley chestnut soils of the South-East Kazakhstan. Goal: scientific foundation, development and implementation of effective techniques for use of fertilizers for potato and vegetable crops prooiding ecologically pure products and environmental protection in the conditions of mountain and foothills stoppe zones. The effects of fertilizers on the background of various depth tillage and irrigation regimes on soil productivity, nutrition conditions and yielding capacity of potato-vegetable crop rotation are investigated. Quantitative dependence of crop yield on content of movable forms of nutritional elements in soil is determined and yield forecasting models are worked out, agroeconomical efficiency of fertilizers system, growth stimulators and nitrification inhibitors at vegetable crop growing in mountain and foothills conditions are determined. An evaluation methods for nitrogen nutrition conditions of potato and vegetable crop are determined and put into practice.
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