The development of domestic agricultural production is an important component of national food security. In this context, optimizing plant mineral nutrition is essential for maintaining soil fertility, improving nutrient-use efficiency, and ensuring sustainable agricultural production. This study investigated the effects of different fertilizer rates on nutrient uptake by the pods and phytomass of vegetable bean (Phaseolus L.) during the growing season. The experiment included an unfertilized control, 10 t ha⁻¹ manure, N30P30K30, N60P60K30, and N90P60K60 treatments. The results demonstrated that fertilizer application substantially affected nitrogen, phosphorus, and potassium removal by both pods and phytomass. Nutrient removal by bean pods was generally greater for nitrogen than for phosphorus. The highest nutrient removal by pods was recorded under the N60P60K30 treatment, reaching 51.5 kg ha⁻¹ N, 27.2 kg ha⁻¹ P, and 29.0 kg ha⁻¹ K. The same treatment also resulted in the highest nutrient accumulation in phytomass, with 17.9 kg ha⁻¹ N, 5.5 kg ha⁻¹ P, and 7.5 kg ha⁻¹ K. The lowest values were generally observed in the unfertilized control. Overall, the findings indicate that appropriate optimization of mineral fertilizer rates can improve nutrient uptake and productivity while supporting more efficient nutrient management in vegetable bean production.

Keywords: vegetable bean, mineral nutrition, fertilizer rate, nutrient uptake, phytomass, nutrient-use efficiency, sustainable agriculture

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