Optimizing Sorghum Yield and Quality: A Study on the Role of Plant Growth Regulators and Micronutrient Management Strategies
Zahida R, R K Agarwal, Naveen K, B G Shekara, S Prasad, Sabina N, Shabeena M, F A Bahar, N S Khuroo, S Iqbal, T Ahnger, Raies A Bhat, Rakshanda A, Z A Dar, Sabiya Bashir
Journal of Scientific Research and Reports · pp. 208–222 · Published 30 Oct 2024
10.9734/jsrr/2024/v30i112548Abstract
This study assessed the impact of plant growth regulators (PGRs) and micronutrients on sorghum (Sorghum bicolor L.) productivity in four locations viz., Palampur, Srinagar, Mandya, and Ayodhya during Kharif 2020-2021. Twelve treatments, combining PGRs and micronutrients, were evaluated. The best treatment (T10), applying 5 kg Zn and 2 kg B per hectare with a triacontanol (10 ppm) foliar spray at 30 days after sowing, resulted in the highest green fodder yield (493.2 q/ha), dry matter yield (125.6 q/ha), and crude protein yield (10.80 q/ha). It also improved the leaf-stem ratio (0.63), ADF (42.34%), and NDF (63.03%). Economic analysis showed a gross return of Rs. 130,208/ha, net return of Rs. 81,717/ha, and B:C ratio of 2.56. These findings provide actionable insights for enhancing sorghum productivity in semi-arid regions through integrated nutrient management, improving both food security and farmer incomes in challenging agricultural environments.
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