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The yield of mustard can be significantly enhanced by the appropriate application of fertilizers. Utilizing fertilizers effectively holds considerable promise for improving mustard yields. To evaluate the effect of fertilizers on mustard yield, a study was carried out at the Agronomy Field Laboratory (AFL), Bangladesh Agricultural University (BAU), Mymensingh, between November 2022 and February 2023. This study involved seven different fertilizers treatments: control (no fertilizer) and incremental additions of nutrients starting from nitrogen (N) alone to a full combination of nitrogen, phosphorus, potassium, Sulphur, zinc, and boron (N-P-K-S-Zn-B). The BARI (Bangladesh Agricultural Research Institute) sarisha-14 variety was used as the crop under study. The study was conducted using a randomized complete block design (RCBD) with three replications. The findings suggested that, fertilizers application had a significant impact on several growth parameters and yields. The most comprehensive fertilizers mix (N-P-K-S-Zn-B) resulted in the maximum observed values for plant height (PH) (83.63 cm), number of branches plant-1 (NBP) (4.74), number of siliquae plant-1 (NSP) (63.17), and seed yield (SY) (2.19 t ha-1) and stover yields (7.27 t ha-1). This treatment also resulted in the highest biological yield (BY) (4.51 t ha-1), indicating a robust growth response. In contrast, control (no fertilizers) produced the lowest SY (0.19 t ha-1) and stover yield (0.70 t ha-1). It can be concluded that BARI sarisha-14 produced the highest yield of mustard with the recommended rate of N-P-K-S-Zn-B and farmers can cultivate this mustard variety at large scale with mentioned recommended dose of fertilizer.
Srity et al. (Mon,) studied this question.