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Effect of Simulated Soil Erosion and Organic Manures on Soil Properties


Affiliations
1 Department of Soil and Water Conservation, School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema Campus, Medziphema (Nagaland), India
     

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A field experiment was carried out to evaluate the effects of simulated erosion and the impact of organic manures on soil physico-chemical properties. The experiment was conducted in split- plot design which comprised of three levels of simulated erosion depths viz., 0, 5 and 10 cm used as the main plot. Organic manures (vermicompost, poultry manure and pig manure @ 5, 3 and 3 t-1 ha, respectively) were used as the sub plot treatment. There was a significant effect on the physico-chemical properties of soil due to erosion. The available nitrogen decreased at a rate of 2.86 and 7.81 per cent; available P decreased at a rate of 9.09 and 17.18 per cent; available K decreased at a rate of 9.52 and 15.12 per cent; organic carbon decreased at a rate of 0.07 and 0.15 per cent; CEC decreased at a rate of 2.81 and 5.48 per cent; water holding capacity decreased at the rate of 4.07 and 7.29 per cent while bulk density increased at a rate of 3.49 and 9.30 per cent and soil pH decreased at a rate of 4.12 and 7.20 per cent, respectively with subsequent removal of 5 and 10 cm topsoil as compared to control. Addition of organic manures improved the soil properties but could not entirely compensate the loss due to simulated erosion.

Keywords

Simulated Erosion, Organic Manures, Soil Physico-Chemical Properties.
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  • Effect of Simulated Soil Erosion and Organic Manures on Soil Properties

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Authors

Lovilhunuo
Department of Soil and Water Conservation, School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema Campus, Medziphema (Nagaland), India
Manoj Dutta
Department of Soil and Water Conservation, School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema Campus, Medziphema (Nagaland), India
Rizongba Kichu
Department of Soil and Water Conservation, School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema Campus, Medziphema (Nagaland), India
Sewak Ram
Department of Soil and Water Conservation, School of Agricultural Sciences and Rural Development, Nagaland University, Medziphema Campus, Medziphema (Nagaland), India

Abstract


A field experiment was carried out to evaluate the effects of simulated erosion and the impact of organic manures on soil physico-chemical properties. The experiment was conducted in split- plot design which comprised of three levels of simulated erosion depths viz., 0, 5 and 10 cm used as the main plot. Organic manures (vermicompost, poultry manure and pig manure @ 5, 3 and 3 t-1 ha, respectively) were used as the sub plot treatment. There was a significant effect on the physico-chemical properties of soil due to erosion. The available nitrogen decreased at a rate of 2.86 and 7.81 per cent; available P decreased at a rate of 9.09 and 17.18 per cent; available K decreased at a rate of 9.52 and 15.12 per cent; organic carbon decreased at a rate of 0.07 and 0.15 per cent; CEC decreased at a rate of 2.81 and 5.48 per cent; water holding capacity decreased at the rate of 4.07 and 7.29 per cent while bulk density increased at a rate of 3.49 and 9.30 per cent and soil pH decreased at a rate of 4.12 and 7.20 per cent, respectively with subsequent removal of 5 and 10 cm topsoil as compared to control. Addition of organic manures improved the soil properties but could not entirely compensate the loss due to simulated erosion.

Keywords


Simulated Erosion, Organic Manures, Soil Physico-Chemical Properties.

References