Summary
Application of sand was found to be quite effective in enhancing the leaching of salts from the soil profile due to increased infiltration and moisture conservation. Sand covers of 5 and 10 cm thickness significantly increased the yield of seed cotton and subsequently hybrid jower (Sorghum) taken on the same plots as compared to control. Gypsum did not increase the yields significantly. Ploughing of sand was found to be beneficial to increase crop yields.
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References
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Mathur, O.P., Mathur, S.K. & Talati, N.R. Effect of addition of sand and gypsum to fine-textured salt-affected soils on the yield of cotton and jower (Sorghum) under Rajasthan Canal Command Area conditions. Plant Soil 74, 61–65 (1983). https://doi.org/10.1007/BF02178740
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DOI: https://doi.org/10.1007/BF02178740