Potassium Releasing Capacity in Some Soils of Anantnag District of Kashmir
Journal Title: Universal Journal of Environmental Research and Technology - Year 2011, Vol 1, Issue 3
Abstract
The potassium releasing capacity of fifteen soil samples of Anantnag district of Kashmir were assessed by using five chemical extractants. The decreasing order of potassium release by the different chemical extractants in the soils was 1M HNO3 > 0.01 N HCl--12 extractions>0.01 N HCl--9 extractions> 0.3 N NaTPB-16 hours > 0.01N HCl 3 extractions> 1.38N H2SO4=0.01N HCl-1 extractions> % K saturation. The K released by 1M HNO3 was significantly correlated with 1.38N H2SO4 (0.995**) and 10.28 N H2SO4 (0.996**) .The significant correlations among different form of K in Anantnag soils indicate the various K pools (exchangeable=Non-exchangeable) for proper K fertilizer management. The potassium status in Anantnag soils was variable.
Authors and Affiliations
Subhash Chand and Tahir Ali
Keywords
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