Dynamics of the soil water regime during the cultivation of oil flax on nonirrigated and irrigated lands of the South of Ukraine
Journal Title: «Таврійський науковий вісник» - Year 2018, Vol 103, Issue
Abstract
The article reflects the results of studies on determining the dynamics of the water regime of the soil during the cultivation of oil flax on non-irrigated and irrigated lands in the south of Ukraine. It shows that autumn plowing at a depth of 20–22 cm and subsequent recommended pre-seeding tillage of dark chestnut soil ensures a satisfactory structure of the arable layer during the time of oil flax sowing. The density of the subsoil layer consistency within the range of 1.41–1.44 g/cm3 causes the need of periodic loosening of sub-plow horizons in field crop rotations. The total water use of flax oil varies from 1080 to 2120 m3/ha due to significant fluctuations in both soil moisture reserves and precipitation. Under these conditions, irrigation plays a high stabilizing role, its share in the total water consumption by the crop being about 40%. The application of mineral fertilizers contributes to a more economical moisture consumption.
Authors and Affiliations
О. Л. Рудік
Keywords
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