Possibility of using the Caspian Sea in agriculture with water shortage

Abstract

The article provides information about the possibility of using Caspian Sea water as irrigation water for growing crops under current drought conditions in the republic. The studies carried out studied the chemical composition and degree of mineralization of the water of the Caspian Sea, and studied its effect on agricultural plants by mixing it with both clean and irrigation water in different proportions. In addition, the effect of seawater on washing saline soils was studied and it was found that loamy and clayey soils with a salinity level of less than two percent and a density of up to 5-6 g/l could be washed with seawater. Seawater with a concentration of 10-12 g/l can be used to wash highly saline and saline soils. It is also possible to wash soils with a light mechanical composition with natural seawater. In all three cases, at least 5000 m3 of fresh water per hectare is recommended to completely flush and remove residual salts from the soil.