Yield, weed dynamics and nutrient balance of machine-planted chickpea under varying seed rate and nutrient management
Keywords:
Weed dynamics, Crop growth, Machine planting, Sustainability, YieldAbstract
The present investigation studied the growth, yield, weed dynamics and nutrient balance of machine-planted chickpea under varied seed rates and nutrient management. The experiment was laid in split plot design with four main plots viz., seed rate (52, 70, 77 and 105 kg ha-1) and seven nutrient management practices in sub-plots viz., absolute control, 75% RDF, 100% RDF, 125% RDF, 75% + soil application of microbial consortia (MC), 100% RDF + MC and 125% RDF + MC. Results revealed that higher weed density and weed dry matter were recorded with 52 kg ha-1 seed rate and with 125% RDF + MC. Higher crop growth and seed yield (2580 kg ha-1) were recorded with a seed rate of 105 kg ha-1. Among the nutrient management treatments, growth and seed yield (2.58 t ha-1) were better with 125% RDF + MC. Soil nutrient status was found better with 52 kg ha-1 seed rateand 125% RDF + MC resulted in better soil status.
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