Abstract
The article describes the technology of laying a film covering with a specially selected perforation of holes on the laid groove with fastening the edges of the covering along its entire length. Calculations of the irrigation rate are given, which must be strictly observed for economical water use when irrigating along furrows. The use of a perforated polyethylene film screen will provide the required moisture capacity throughout the season. Stabilization of the irrigation regime will ensure high yields while complying with the requirements of the law on environmental protection. The most effective agrotechnical conditions are proposed and recommendations for the growing season are given.
Highlights
Large losses of irrigation water are observed, which leads to negative consequences in the area of irrigated agriculture
The above method for determining the parameters of furrow irrigation is in good agreement with the processing of the results obtained in the study in natural conditions
The new method of furrow irrigation using a perforated film coating allows to reduce water losses due to non-productive filtration up to 20% and evaporation - up to 30%
Summary
Large losses of irrigation water are observed, which leads to negative consequences in the area of irrigated agriculture. Such heterogeneity in a number of cases causes not continuous, but streaky or vein movement of water in the soil. In the process of operation, there is a heterogeneity of the water-physical properties of soils, which is determined by the spatial and depth differences in their composition, and by the changes that occur under the influence of water over a long period of furrow operation (siltation, clogging, compaction, alluvial , structuring of the furrow bed, etc.)
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