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Effect of phosphorus and biofertilizer inoculation on growth, yield and post-harvest soil nutrient status of Rabi maize (Zea mays L.) in coastal areas of West Bengal


Citation :- Effect of phosphorus and biofertilizer inoculation on growth, yield and post-harvest soil nutrient status of Rabi maize (Zea mays L.) in coastal areas of West Bengal. Crop Res. 60: 337-343
WASHIM PARVAZ, SAUMI GOSWAMI, PRAGUN PAL, ARGHYA BANERJEE, PRIYATOSH GIRI AND SAGAR MAITRA saumi.goswami@tnu.in
Address : Department of Agronomy, School of Agriculture and Allied Sciences, The Neotia University, Diamond Harbour, South 24 Parganas-743 368, West Bengal, India
Submitted Date : 28-07-2025
Accepted Date : 21-08-2025

Abstract

Maize is potentially important for human nutrition and contributes to strengthening food security, parallel to the cultivation of rice. Due to the nutritional value, dietary energy source and the emerging limitations of rice farming in the reduced water supply scenario in India during winter, the growing trend of adopting maize, especially in the rabi season under judicious nutrient management practices, is in high demand. However, fewer findings are available on enhancing the rabi maize productivity with balanced nutrient management in the coastal tracts of West Bengal. Based on the above facts, a field experiment was conducted to study the effect of different doses of phosphorous in combination with Vesicular Arbuscular Mycorrhiza (VAM) and Phosphate-Solubilising Bacteria (PSB) for enhancing growth and yield of maize in rabi season of 2024-25 comprising ten treatments, conjoining biofertilizers either solely without any chemical phosphorous or with different levels of chemical phosphorous separately that can boost the productivity of rabi maize. The P2O5 application at 60 kg/ha, combined with VAM inoculation at 20 g/kg seed exhibited the highest grain yield (5.91 t/ha) and stover yield (8.31 t/ha), as well as all growth and yield parameters, indicating the most suitable synergistic impacts between the bioinoculant and inorganic phosphorus. The aforesaid treatment was closely followed by applying P2O5 @ 40 kg/ha + VAM inoculation @ 20 g/kg, with the grain yield of 5.53 t/ha, and it remained significantly inferior in enhancing the grain yield of maize. The combined impact of 60 kg phosphorus + 20 g VAM/kg seed reflected better plant growth that eventually increased the grain yield of rabi maize, which can be recommended for the coastal areas of West Bengal.

Keywords

Growth parameters maize post-harvest productivity soil nutrients yield attributes


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