PJB-2020-236
A Comprehensive Review on Agricultural Effects of Soil Salinization; Causes and Cure
Afifa Zaeem
Abstract
Soil salinity is a serious environmental hazard converting fertile lands into deserts. About 900 million hectares of agricultural land of the world is under sodic and saline stress because of various natural, political and socioeconomic influences. Soil salinity is basically the accumulation of many different kinds of salts in agricultural lands. Major sources of these salts are sedimentation of silt stones, rocks and highlands which later become part of agricultural fields. Low rainfall and high rate of evapotranspiration are also some factors contributing to soil salinity. If attention is not paid to salinity as environmental hazard, it can lead to severe consequences for agriculture industry. Many scientists have worked to find ways to cope with salinity and describe different methods to reduce the adverse effects. They include some primitive but effective methods and some up to date novel technologies. These different methods are furrow planting with the use of cow manure, drip irrigation, dry drainage technique, seed priming, bioremediation, plants and microbial symbiosis and use of nanoparticles. The basic purpose of this review is to spot salinity as an increasing agricultural hazard, it’s potential effects on plants and practical strategies of elimination.
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