The influence of basic soil tillage and fertilization systems on the humus state of soil and grain sorghum productivity in an irrigated crop rotation
Journal Title: Біоресурси і природокористування [Biological Resources and Nature Management] - Year 2019, Vol 11, Issue 1
Abstract
The article presents the results of the study of the influence of various doses of mineral fertilizers on the amount of leaf-sticky mass of agricultural crops of crop rotation in the soil with implements with a different design of the working organs to the humus state, the nutritional regime of the soil and the productivity of the grain sorghum. The research was carried out in the stationary experience of the Institute of Irrigated Agriculture of the National Academy of Agrarian Sciences of Ukraine during 2016-2018. In the crop rotation five systems of basic soil tillage, nutrient regime, postharvest residues, humus, crop rotation, irrigation with different methods and depth of loosening on the background of three organo-mineral fertilizer systems were investigated. It has been established that in the cultivation of grain sorghum in the conditions of the Southern Steppe of Ukraine in the grain-milling crop rotation on irrigation it is expedient to use combined treatment, which combines small (12-14 cm) disk loosening with a gap of 38-40 cm and use fertilizer residue of the precursor (winter wheat ) against the background of the introduction of mineral fertilizers with the dose of N90P60, which creates a favorable nutritional regime and forms the grain yield, depending on the hydrothermal conditions of years of research, within the range of 6.27-8.54 t/ha, the level entabelnosty-210-218%. The use of grain sorghum (10,27 tons/ha) for the fertilization of stem residues (leaf stem and root) in the variant of the differentiated-1 system of main processing ensured an average annual calculated increase of humus + 1,11 t/ha and accumulation in the layer 0-40 cm N - 49.2 kg/ha, P2O5 - 24.6, K2O - 59 kg/ha.
Authors and Affiliations
M. P. Maliarchuk, A. S. Maliarchuk, I. Y. Luzhanskyi, O. E. Markovska, V. M. Maliarchuk
Keywords
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- EP ID EP661141
- DOI 10.31548/bio2019.01.011
- Views 52
- Downloads 0
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