PHOSPHORUS RELEASE PATTERN OF ROCK PHOSPHATE APPLIED AS P- FERTILIZER INCUBATED WITH AMENDMENTS IN VERTISOLS OF CENTRAL INDIA
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 53
Abstract
A pot experiment was conducted to determine the phosphorus release pattern of Jhabua Rock phosphate (JRP) in Vertisols, when it was applied with eighteen fertilizer treatments under three soil moisture regimes viz. 50% of field capacity (MR1), field capacity (MR2) and saturation (MR3). The result was found that JRP@120 kg P ha-1+PSB@ 150 g ha-1+FYM@5 t ha-1 with field capacity (F17 MR2) was the most effective treatment amongst all treatment combinations (61.52 kg P2O5 ha-1). The maximum release in available-P was obtained at 90 DAI in case of F17 (262%) and minimum in case of F2 (19%) over control. The trend of per cent change in cumulative in available-P release was F2 F10=F13
Authors and Affiliations
V. P. SINGH
Keywords
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