An Asian Journal of Soil Science

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Fertility Status of Soil along the Water Course of Selected Distributory-14 of Shahapur Branch Canal of UKP Command Area in Yadgir District of Karnataka


Affiliations
1 Department of Soil Science and Agricultural Chemistry, College of Agriculture, Raichur, (Karnataka), India
2 Department of Soil Science and Agricultural Chemistry, College of Agriculture (U.A.S.), Bheemarayanagudi, Yadagir (Karnataka), India
     

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The survey work was carried out during the year 2014-15 at Shahapur branch canal of Yadgir district, Karnataka and studied the fertility status of soil along the water course of canal command area. Available nitrogen content was comparatively more in sub surface soils than in surface soils all along the water course of distributory-14. Available phosphorus status in soils at the tail reach was comparatively more than that of head reach. Irrespective of surface and sub surface soils available potassium status was medium and was comparatively low in sub surface than in surface soils. However, increasing trend of potassium from head to tail via middle reach along the water course was observed. Available sulphur status was medium in surface and low in sub surface soils all along the water course. Available nitrogen, phosphorus, potassium and sulphur were strongly correlated with organic carbon (0.950, 0.989, 0.986 and 0.989), CEC (-0.841, -0.895, -0.934 and -0.946) and dehydrogenase activity (0.934, 0.979, 0.980 and 0.982). Higher concentration of DTPA extractable micronutrients namely, Fe, Cu and Zn in surface than in sub surface soils was observed all along the water course. However, fertility status of soils along the water course was low with respect to both available N and P, medium with respect to available K, S, Fe and Zn while high with respect to available Cu and Mn.

Keywords

Available Macro, Micro Nutrients, Organic Carbon, Dehydrogenase Activity.
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  • Fertility Status of Soil along the Water Course of Selected Distributory-14 of Shahapur Branch Canal of UKP Command Area in Yadgir District of Karnataka

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Authors

Chandragouda Girigoudar
Department of Soil Science and Agricultural Chemistry, College of Agriculture, Raichur, (Karnataka), India
H. V. Rudramurthy
Department of Soil Science and Agricultural Chemistry, College of Agriculture (U.A.S.), Bheemarayanagudi, Yadagir (Karnataka), India
N. L. Rajesh
Department of Soil Science and Agricultural Chemistry, College of Agriculture, Raichur, (Karnataka), India

Abstract


The survey work was carried out during the year 2014-15 at Shahapur branch canal of Yadgir district, Karnataka and studied the fertility status of soil along the water course of canal command area. Available nitrogen content was comparatively more in sub surface soils than in surface soils all along the water course of distributory-14. Available phosphorus status in soils at the tail reach was comparatively more than that of head reach. Irrespective of surface and sub surface soils available potassium status was medium and was comparatively low in sub surface than in surface soils. However, increasing trend of potassium from head to tail via middle reach along the water course was observed. Available sulphur status was medium in surface and low in sub surface soils all along the water course. Available nitrogen, phosphorus, potassium and sulphur were strongly correlated with organic carbon (0.950, 0.989, 0.986 and 0.989), CEC (-0.841, -0.895, -0.934 and -0.946) and dehydrogenase activity (0.934, 0.979, 0.980 and 0.982). Higher concentration of DTPA extractable micronutrients namely, Fe, Cu and Zn in surface than in sub surface soils was observed all along the water course. However, fertility status of soils along the water course was low with respect to both available N and P, medium with respect to available K, S, Fe and Zn while high with respect to available Cu and Mn.

Keywords


Available Macro, Micro Nutrients, Organic Carbon, Dehydrogenase Activity.

References