Optimizing Micronutrient Management for Enhanced Okra (Abelmoschus esculentus L.) Productivity: A Focus on Zinc and Boron Application Strategies
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Okra is widely cultivated vegetable crop which has been reducing its quality due to inappropriate utilization of micro-nutrients as well. This research was carried out to investigate the impact of foliar spray of boron and zinc on the growth and yield of the 'Arka Anamika okra variety. The experiment followed a Randomized Complete Block Design (RCBD) with seven treatments, including control, 0.2%Zn, 0.2%B, 0.3%Zn, 0.3% B, 0.2%Zn+0.2%B, and 0.3%Zn+0.3%B, replicated three times. Data on various parameters such as plant height, stem diameter, leaf number, number of branches, number of buds, number of fruits, length of fruits, girth of fruits, and yield were collected from sampled plants in each plot. Results indicated significant effects of different fertilizer treatments on these parameters. The highest values for plant height, stem diameter, number of branches, number of buds, fruit length, number of fruits, and yield were observed in T7, which was statistically comparable to T6. Conversely, T1 (control) exhibited significantly lower values. The girth of fruits showed no significant differences due to various levels of foliar application of boron and zinc, either separately or in combination. Overall, the study suggests that the application of 0.3%Zn+0.3%B may be the most effective for improving the yield and yield parameters of okra.
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