Abstract
The problem of effective use of irrigated land in the arid areas of the lower reaches of the Syrdarya River is of great importance, since most of all crops grown in the country are concentrated in this region, the total area of agricultural land exceeds 170 thousand hectares (used). Mineralization of water of the Syrdarya River, the current soil-reclamation state of irrigated lands located in the lower reaches of the Syrdarya River is very poor. Soil salinity and salinity of collector-drainage water are very high. The average annual salinity of river water at the Tomenaryk gauging station is 2.0-2.5 g/l, and at the Kazaly gauging station - 3.0-3.5 g/l. And the process of soil salinization took place practically on the whole territory of the region. According to recent data, the area of saline irrigated lands in Kyzylorda province is about 225,9 thousand ha, of them slightly saline - 87,6 thousand ha, medium saline - 73,3 thousand ha, strongly and very strongly saline - 65,1 thousand ha. Kyzylorda region is mainly engaged in growing rice (as well as alfalfa, corn for silage, sunflower, etc.). Taking this into account, secondary salinization was observed on rice fields due to poor work of collector-drainage systems.
Taking into account all these problems, that the work done in the article is very relevant and more effective.
01 Introduction
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02 References
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