Abstract
Behaviour of different water soluble and exchangeable bases in a brackishwater fish pond soil was studied under four levels of water salinity, in combination with and without organic matter application. The results showed average content of water soluble bases to increase with increase in water salinity. The bases were dominated by Na+ followed by Mg++, Ca++ and K+ in decreasing order. SAR values of water increased with increase in water salinity and decreased slightly on organic matter treatment.
Total content of exchangeable bases in soils was fairly high and was dominated by Ca++ and Mg++, followed by Na+ and K+ respectively. Amount of exchangeable Ca++ + Mg++ decreased while that of Na+ increased with increase in water salinity levels. Amount of exchangeable K+ did not show any appreciable change. Application of organic matter tended to increase the exchangeable Ca++ + Mg++ content and decrease the amount of exchangeable Na+ in the soil, while exchangeable K+ content remained practically unaffected due to organic matter treatment.
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Formed part of a Ph.D. thesis submitted to Bidhan Chandra Agricultural University, India in 1978
Formed part of a Ph.D. thesis submitted to Bidhan Chandra Agricultural University, India in 1978
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Chattopadhyay, G.N., Mandal, L.N. Effect of different water salinity levels and organic matter application on the composition of water soluble and exchangeable bases in a brackishwater fish pond soil. Hydrobiologia 74, 33–37 (1980). https://doi.org/10.1007/BF00009012
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DOI: https://doi.org/10.1007/BF00009012