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Abstract
The introduction of new highly productive high-impact varieties into production requires a revision of the rules and methods of fertilizer application in relation to these varieties' possibilities under specific cultivation conditions. Thus, the studies carried out on meadow-chestnut soil in the conditions of the flat irrigated zone of Dagestan in the study of new zoned winter wheat varieties Bezostaya 100 and Sila showed high productivity in the application of N90P45 fertilizers. The aim of the research was to study grain quality indicators and nitrate accumulation of the main food crop in the systemic application of fertilizers. In this article we present the scientific research results on the dependence of yield, protein, and gluten of new winter wheat varieties on the mineral fertilizers' application. The dependence of nitrate accumulation in winter wheat grain on mineral fertilizers' introduction was revealed.
Highlights
The land resources of Dagestan are diverse in agroclimatic and soil conditions, which is important in the cultivation of new winter wheat varieties
The conducted studies showed that nitrogen fertilizers introduced into the soil are quickly fixed in it in the form of organic compounds and, as a rule, increase the grain quality indicators, protein
Research results showed that the yield and quality indicators of wheat grain improve on meadow-chestnut soil with the introduction of estimated norms of mineral fertilizers
Summary
The land resources of Dagestan are diverse in agroclimatic and soil conditions, which is important in the cultivation of new winter wheat varieties. The need for precise definition of mineral nutrition norms in the flat irrigated zone of Dagestan causes its relevance and national economic importance [2,6]. Due to current economic and environmental situation in the republic, the strategy of adaptive intensification of agricultural production has been defined, which is oriented to rational use of resources and conservation. Winter wheat occupies the main place, increasing its yield and obtaining quality products is closely related to the rationality of mineral fertilizers' use. It was noted that mineral fertilizers increase productivity on all soils in general, and the need for nitrogen is greatest out of nutrients [4,5]
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