PRODUCTIVITY OF NORTHERN PERFORMANCE DEPENDING ON THE SYSTEM OF MAIN SOIL TREATMENT AND FERTILIZERS UNDER THE CONDITIONS OF IRRIGATION OF THE SOUTH OF UKRAINE
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 4, Issue 4
Abstract
In the article reflects the results of a study on the effect of basic soil and fertilizer handling on the productivity of irrigated crop rotations. The aim of the research was to determine the effect of basic tillage and fertilizers on the productivity of irrigated crop rotation in the southern Ukraine. The task of the study was to determine the influence of the factors studied on yields, yields of feed and grain units, and energy efficiency of technologies for growing crops on irrigation. Field experiments were carried out according to the techniques of an experienced case. Agrotechnics of cultivation of investigated agricultural crops in irrigated crop rotation was generally recognized for the conditions of the South Ukraine. The studies established the patterns of the effect of basic tillage on the changes in the agrophysical properties, nutrient regime and phytosanitary state of irrigated agroecosystems, which contributed to the creation of various conditions for the growth and development of crops and the formation of crops. It is proved that the application of a non-waste method of basic tillage provides an increase in the yield of winter wheat grains in the range of 0.1-0.6 t/ha. At the same time, the cultivated types of crops react negatively to soil cultivation without slice rotation, which was manifested in a decrease in soybean yield by 0.4-0.5; corn - by 1.0-1.4; canola rape - by 0.3-0.7 t/ha. An increase in the dose of nitrogen fertilizer application in N97.5P60 kg of active substance per 1 ha of sowing area ensured an increase in the yield of all crops of crop rotation with maximum productivity - 124.4 GJ/ha on variants of the dump depth-differentiated and differentiated basic tillage systems in the crop rotation. Dispersive analysis shows that in barley of winter crops and in maize for grain, nitrogen fertilizers have a maximum effect on productivity, respectively, by 74.9 and 54.9% of the total specific gravity of yield formation of these crops, and various schemes of basic tillage have the effect of influence: on barley – 21.1%; on corn - 36.1%.
Authors and Affiliations
H. E. Markovskaya
Keywords
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