A field experiment was conducted on red sandy clay loam (Typic Haplustalls) with rice IR. 20 as test crop to find out the efficacy of different methods of phosphorus on the yield, content and uptake of P at different stages of crop growth. The treatments consisted of full basal application, half basal foliar and foliar application, alone and in combination with slurry dipping of roots. The results revealed that slurry dipping with half basal and foliar application of 2% DAP recorded an yield of 5312 kg/ha of rice grain and it was on par with treatment, slurry dipping alone (5240 kg/ha). The content and uptake of P were increased at all the stages of crop growth due to slurry dipping. The P recovery was also the highest (18.7%) in sluny dipping alone.
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Tamil Nadu Agricultural University
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