Phosphorus dynamics in Rasulpur soil series (Typic Camborthid) under rice based cropping system.
2013
Phosphorus (P) nutrition of the rice cropping system is very important due to alternate wetting and drying cycles. A field experiment was conducted on a sandy loam soil (Typic Camborthid) to observe residual effect of P on succeeding crops and rate of P depletion after one crop rotation ( wheat- sorghum fodder-rice). Rice was raised as second crop on the residual P after sorghum fodder, grown after wheat. Analysis of variance (ANOVA) technique under RCBD was used and Duncan's multiple range test (DMR) was applied to see the significance of difference among treatment means. Maximum residual P after sorghum fodder was 13.10 mg kg -1
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