نتایج جستجو برای: soil salinization
تعداد نتایج: 181234 فیلتر نتایج به سال:
Dust storms are known as hazardous problems in western part of Iran. Iraq is one of the main sources for dust storm arriving to the western part of Iran. The Radial Basis Function Network model (RBFN) has been used to assess wind erosion hazards in the source area of dust storms over several western Iranian cities. Normalized Difference Salinity Index (NDSI) was used to determine the changes in...
This study was conducted to evaluate the effects of Atriplex canescens on soil properties and organisms' activities under grazing and exclosure conditions at Shahriar rangelands. In each site, four transects were selected by random-systematic method and 10 quadrates of nine m2 were established along transects with 30-m intervals. In each quadrate, the amount of seed per plant, litter and the nu...
In the conditions of grey soils in south Kazakhstan, soil is degraded due to irrational use irrigated land and non-compliance with agro-reclamation works its order, as well excessive irrigation medium-saline soil, it negatively affects crop yields. addition, on soils, winter plowing carried out only a shallow depth 30-32 cm. Mainly timely intensive treatment, preferable, since degree bulk mass ...
Water produced with coalbed natural gas (CBNG) attains its characteristic sodium-bicarbonate composition through a series of processes, including dissolution of salts, precipitation of salts, pyrite oxidation, ion exchange, sulfate reduction, and methanogenesis. After CBNG-produced water is discharged to the surface, interaction with the atmosphere will initiate the precipitation of calcite, ir...
Salinization of land poses a serious threat and harms all industries, including the environment, agriculture, economy, so on. In this regard, topic is very relevant today. The object research agriculture Republic Uzbekistan. aim study impact saline soils on in current state reclamation systems, processes soil salinization quality irrigation water, as well features manifestation secondary irriga...
Salinization is the main characteristic of soils in arid and semi-arid regions which reduce the agricultural potential ofirrigated lands. Therefore, soil reclamation as well as determination of the leaching requirement for salt control is veryimportant for better plant growth. In this study, the effects of leaching on saline soils of Sistan region, southeast of Iranwere examined using unsaturat...
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