G.V. Petrova, A.P. Dolmatov, F.G. Bakirov, S.V. Popov, M.R. Kuramshin
Orenburg State Agrarian University
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Summary. Key studies were conducted in the central zone the Orenburg region on the southern heavy loamy black soil, as well as in the Western zone area on common chernozem. Research results of the first field experience are presented for 2011 to 2012. The second – in 2012. The experiments have investigated the use of differentiated the conventional method of mineral fertilizers . Both regular and differential mode of application of phosphate fertilizers in two years of research gave nearly the same results – the yield of spring wheat were respectively 16.3 and 16.7 kg / ha. In this regard, there is a need to study phosphorus fertilizer aftereffect introduced in the same field for a number of years. Studies conducted in LLC «Novotroitskoe» Buzuluksky district ie in the western zone of the Orenburg region showed that the most promising is differentiated potash fertilizers. While on the area of 112 hectares is ammophos savings – only 1.7, while that of potassium chloride – 20.0.
Keywords: nitrogen, phosphate, potash, differentiated application of fertilizers, traditional mineral fertilizers, precision farming, yield electronic map, sustainable agriculture.