ECOETHIC PROBLEMS OF SALINE AND SALTY SOILS IN AZERBAIJAN
Journal Title: Ecological Engineering and Environment Protection (EEEP) - Year 2018, Vol 1, Issue 1
Abstract
Salinization of plain soils in Azerbaijan Republic has a special place within the ecoethic problems. Saline soils spread widely in Azerbaijan. Approximately about 60% of the Kur-Araz lowland soils wich total area is 2.2 million hectares, became medium and strongly saline soils. In addition, saline soils are spread in Si¬yazan-Sumgait, Jeyranchol areas, in the Nakhchivan Autonomous Republic and other areas of Azerbaijan. In general, moderate and intensive saline soils in the territory of our Republic consist of 1.3 million hectare total area. It means that 15% of the territory of the Republic has suffered this Ecoethicproblem. As a result of carried investigations it was defined that, 565481 hectares of the 1444.9 thousand hectares or 47.6% of total irrigated suitable for agriculture soils of the country, became saline in different degrees (152898 ha or 27% of this less saline, 146235 ha or 25.9% average saline, 223838 ha or 39.6% intensive saline, 42510 ha, or 7.5% salty soils), 508.3 thousand hectares (29.0%) of the different saline degrees (385037 ha or 75.8% of the low saline, 102110 ha, or 20.1% average saline, 21123 ha or 4.1% intensive saline) In the result of assessment of irrigated soils it was defined that 385.1 thousand hectares of soil is insufficient; in addition 103.4 thousand hectares of soil where the level of ground water near the surface, 115.1 thousand hectares of intensive saline soil, 166.6 thousand hectares are shown as the main reason for the combined effect of both factors. The main issue of soil washing is removal of salts from soil where plant roots spread. Plant roots spread layer implies one meter upper layer of the soil. Because, most of the agricultural crops or their root systems are in whole or partially spread under one meter. This layer is called a report layer. Light and medium mechanical composition soils are easy to clean as their water-leakage ability is great. The essence of the strip wash technology is the area defined is be washed being divided into parallel 3-5 lines depending on among-drain distance. The width of the central section 100 m, but the edges of the strips are separated into 50 meters. Washing the first begins with burial of the central zone with water, in the second stage middle strips, and in the third stage continues the burial of the edge strips. The area is prepared for washing generally in intermittent wash. Beds buried with water should be waited for absorption of the water up to depth 1.5-2.0 m. After that, the area is to be watered again. By this way washing continues up to reaching required report norm.
Authors and Affiliations
Garib Mamedov
Keywords
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