INFLUENCE OF APPLICATION OF DIFFERENTIATED SYSTEM OF RECLAMATION OF SALINE SOILS (NTOZ-2) ON FERTILITY OF RICE FIELDS AND RICE YIELD

The article presents the results obtained in the rice fields of the «Tonkerys – K» farm in the Shieli district of the Kyzylorda region using a differentiated system of reclamation of saline soils a new technology for increasing the fertility of saline soils (NTOZ-2). The introduced technologies on 20 hectares were carried out with the support of FAO within the framework of «Integrated Natural Resources Management in Central Asia and Turkey (CACILM-2)». The main goal of this multi-country FAO-GEF project is to widely disseminate and scale up best technologies and approaches for integrated natural resource management in the dry and saline areas of Central Asia and Turkey. The practical implementation of the program consisted in solving the problem of obtaining a harvest of agricultural crops on saline irrigated soils. The maps of soil salinization of peasant farms to a depth of 0-20, 20-50 and 50-100 cm were compiled at the beginning of implementation and at the end. It was found that this technology led to a decrease in soil salinity: the area of a moderately and highly saline soils decreased, and by 6.1 % of the area, the soil became non-saline. As a result, the yield of rice per 20 hectares of this peasant farm increased by 28.7 %. Net profit from the introduction of the technology amounted to 57430 tenge / ha.

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