Year: 2017 | Month: August | Volume 10 | Issue 4
Effect Off Moisture Regimes and Phosphogypsum Levels on Yield, Nutrient Uptake and Soil Nutrient Balance of Rabi Groundnut
Abstract:
The field experiment was conducted at College farm, Acharya N.G. Ranga Agricultural University (now Professor Jayashankar Telangana State Agricultural University), Rajendranagar, Hyderabad during rabi 2013-14 to study the influence of three moisture regimes viz., 0.6, 0.8 and 1.0 IW/CPE ratios and five phosphogypsum levels viz., Control (500 kg ha-1 gypsum at flower initiation), Phosphogypsum @ 250 kg ha-1 at flower initiation, Phosphogypsum @ 250 kg ha-1 (½ as basal and ½ at flower initiation), Phosphogypsum @ 500 kg ha-1 (½ as basal and ½ at flower initiation) and Phosphogypsum @ 500 kg ha-1 at flower initiation and was replicated thrice. Among moisture regimes highest yield, nutrient uptakes were obtained with I3 (1.0 IW/CPE) moisture regime but highest available nutrients in soil after harvest of groundnut were recorded with I1 (0.6 IW/CPE) moisture regime. Among phosphogypsum levels highest yield, nutrients uptake and available nutrients in soil after harvest of groundnut were obtained with Pg5: Phosphogypsum @ 500 kg ha-1 at flower initiation.
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