INFLUENCE OF PLANTING GEOMETRY AND NUTRIENT LEVELS ON GROWTH AND PRODUCTIVITY OF BLACKGRAM (Vigna mungo L.)
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Date
2023-02-16
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University of Agricultural Sciences, Bangalore
Abstract
“A field experiment entitled influence of planting geometry and nutrient levels growth and productivity of Blackgram (Vigna mungo ” was conducted during Kharif 2021, at ZARS, University of Agricultural Sciences, Bangalore. The experiment was laid out in Factorial Randomized Complete Block Design with two factors viz., spacing and nutrient levels both at four different levels and were replicated thrice. Spacing levels comprised of S1: 30 × 10 cm, S2: 45 × 10 cm, S3: 30 × 15 cm and S4: 45 × 15 cm. Nutrient levels comprised of F1: 75% RDF, F2: 100% RDF, F3: 125% RDF and F4: 150% RDF. Recommended dose of fertilizer followed in the experiment was 25:50:25 kg NPK ha-1. The results revealed that spacing of 30× 10 cm (S1) recorded significantly higher seed yield (1077 kg ha-1), net returns (Rs. 49089ha-1) and B:C ratio (3.3) compared to other spacings. Among the fertilizer levels, significantly higher seed yield (990 kg ha-1), net returns (Rs. 43043 ha-1) and B:C ratio (3.0) was recorded in 150% RDF (F4) which was found on par with 125% RDF (F3). Whereas, higher seed yield (1251 kg ha-1), net returns (Rs. 59746 ha-1) and B:C ratio (3.8) were recorded in treatment combination S1F4 (30 × 10 cm spacing with 150% RDF). Hence, for higher yield and monetary returns a spacing of 30 × 10 cm along with 125% of RDF is found advantageous and profitable.