Formerly International Journal of Basic and Applied Agricultural Research

Foliar nutrition for higher soybean productivity in north western plain zone of India

AJAY KUMAR, D. K. SHUKLA, AMIT BHATNAGAR and R. K. SHARMA
Pantnagar Journal of Research, Volume - 20, Issue - 1 ( January-April. 2022)

Published: 2022-04-30

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Abstract


A field experiment was conducted at the N.E. Borlaug Crop Research Centre, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand during kharif-2016 and 2017 seasons, to study the response of foliar nutrition on soybean crop. The treatments included T-1 Recommended Dose of Fertilizer (RDF)20:60:40, N:P2O5: K2O + water spray at pod initiation, T-2 RDF + Urea 2% spray at pod initiation, T-3 RDF + Di Ammonium Phosphate 2% spray at pod initiation, T-4 RDF + Muriate of Potash 0.5% at pod initiation, T-5 RDF + 19:19:19 (N,P2O5, K2O) 2% spray at pod initiation, T-6 RDF + sodium molybdate 0.5% spray at pod initiation, T-7 RDF + borax 0.5% spray at pod initiation, T-8 RDF + chelated zinc 0.5% spray at pod initiation and T-9 RDF (20:60:40, N, P2O5, K2O) only. Foliar application of nutrients was done at pod initiation stage and RDF was applied as basal at the time of sowing. Application of RDF + 19:19:19 (N,P2O5, K2O) 2% spray at pod initiation stage in treatment T-5 resulted in higher yield attributing characters viz. , branches per plant and pods per plant during both the years. The highest seed and haulm yield was also recorded in the treatment T-5 (RDF + 19:19:19 (N, P2O5, K2O) 2% spray at pod initiation. The per cent increase in seed yield due to treatment T-5 was 26.7 and 13.9 per cent over RDF alone during 2016 and 2017 respectively. The highest harvest index of 28.85 and 27.57 was also recorded in the treatment T-5 (RDF+ 19:19:19, 2% spray at pod initiation) during 2016 and 2017, respectively.


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