Influence of Potassium Addition on Productivity, Quality and Nutrient Uptake of Mungbean (Vigna radiata L.)

Md.Abdul Quddus, Md.Ashraf Hossain, Habib Mahammad Naser, Babul Anwar, Md. Alamgir Siddiky, Md. Razzab Ali

Abstract


Potassium is the key element for mungbean (Vigna radiata L.) productivity. The study was carried out to understand the effects of potassium (K) on mungbean productivity, quality, nutrient content and nutrient uptake and how this element can help to manage soil fertility.Therefore, an experiment was conducted during two consecutive years 2016 and 2017. The experiment was laid out in randomized complete block design considering six treatments with thrice replicates. The treatments were T1 = Control, T2 = 30 kg K ha-1, T3= 40 kg K ha-1, T4= 50 kg K ha-1, T5= 60 kg K ha-1 and T6= 70 kg K ha-1 along with the blanket dose of N15P20S10Zn2B1.5 kg ha-1. Results revealed that application of different levels of potassium showed significant effects on the plant height, number of pods per plant, number of seeds per pod and thousand seed weight which were influenced to obtain higher yield of mungbean. The highest average seed yield (1476 kg ha-1) and highest yield increment (39.5%) of mungbean were produced from the treatment T5. Most of the cases the highest nutrient (N, P, K, S, Zn and B) content was obtained in T5 treatment.The highest K uptake by mungbean, maximum nodulation, the highest protein content in seed and maximum apparent K recovery efficiency (54.8%) were, however, recorded from the treatment receiving of 60kg K ha-1. It was concluded that proper use of K with other nutrients facilitated to improve the productivity and quality of mungbean and also K played a significant role in maintaining soil fertility.


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DOI: https://doi.org/10.5296/jas.v7i1.14269

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Journal of Agricultural Studies   ISSN 2166-0379

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