October 2015, № 10 (185)

Elisseev V.I. EFFECT OF LONG-TERM APPLICATION OF FERTILIZERS ON YIELD OF SPRING DURUM WHEAT IN THE MIDST OF THE ORENBURG PILOTOrenburg oblast is one of the leading regions in grain production of spring durum wheat. This culture is more demanding for soil and climatic conditions, agricultural techniques of cultivation and yields in the level of productivity of spring soft wheat. Frequent droughts during the growing season adversely affect harvests of spring durum wheat. In this connection, the researchers are continuously searching techniques, providing increased productivity of spring durum wheat, while preserving and improving the technological qualities of grain. Paramount importance to improve the terms of its supply through the use of mineral fertilizers. The data on this topic have been obtained on the basis of short-term experiments, and therefore it is difficult to understand how species will affect the dose and combination of various food items on the yields of spring durum wheat during many years of their application, and how justified and correct previous recommendations in various production due to weather conditions for years. Identify the effectiveness of the impact of different species, doses and combinations of elements of mineral nutrition on yield of spring durum wheat in long-term inpatient experience in different weather conditions for years, is relevant for the Orenburg region and other regions with similar soil and climatic conditions. The basis for the research were taken perennial (1974–2013) experimental data on yield of spring durum wheat obtained in patient experiences with different types and doses of mineral fertilizers in the ordinary course of the central zone region. The research revealed the effects of various doses and combinations of nutrition elements on yield of spring durum wheat set optimum doses of fertilizers, the numerical values of each food item, determine the formation of high productivity. As a result of research the optimum doses of individual elements of mineral nutrition can be applied in practice to develop recommendations for fertilizer application in the production of spring durum wheat.Key words: durum wheat, yield, mineral fertilizers.

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About this article

Author: Eliseev V.I.

Year: 2015

Editor-in-chief

Sergey Aleksandrovich
MIROSHNIKOV

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