EFFECT OF PRIMARY NUTRIENT (NPK) RATES ON GROWTH AND YIELD OF MUNGBEAN (Vigna radiata) AT BATIAGHATA UPAZILA IN KHULNA

Abstract

The field experiment was conducted to investigate the effect of primary nutrients (NPK) on growth, yield and yield attributes of mungbean. The experiment was laid out in a randomized complete block design with three replications and consisted of four level of primary nutrients (N:P:K) viz. F *0 = no NPK added, F1 = 8:10:12 kg ha-1, F2 = 16:20:24 kg ha-1 and F3 = 24:30:36 kg ha[1]1 of N:P:K. Increasing the levels of primary nutrients significantly influence the growth, yield and yield attributes of mungbean except stover yield and harvest index. The highest plant height, number of pod plant-1, weight of seed plant-1 and seed yield were obtained from 16:20:24 kg N:P:K ha-1 whereas 24:30:36 kg N:P:K ha-1 produced the highest number of leaf plant-1, number of branch plant-1, seed pod-1, weight of seed pod-1 and 1000-seed weight. Increased rate of nutrients increased the pod plant-1, seed weight pod-1 and seed yield up to N:P:K @ 16:20:24 kg ha-1 and then declined. From the results of this study it could be suggested that application of primary nutrients (N:P:K) @ 16:20:24 kg ha-1 optimum for BARI mung-6 at Batiaghata upazila in Khulna district of southwestern Bangladesh