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不同比例的N、K配比、施用量及不同的施用时期,对香蕉的生长和产量都有不同的影响;N:K2O=1:2.25最有利香蕉的生长,花芽分化及孕蕾期前的肥料施用量占全年用量的70％左右的效果最好;N、K的肥料效应函数为Y=530.100+68.53x1-1.82x12+37.03x2-0.40x22+0.96x1x2,N、K的最佳配比函数为25.304-6.115x1+2.504x2=0。
N, K ratio, application rate and different application period have different effects on the growth and yield of banana; N: K2O = 1: 2.25 The most favorable banana growth, flower bud differentiation and pre-bud stage Fertilizer application accounted for about 70% of the annual amount of the best effect; N, K fertilizer effect function for Y = 530.100 +68.53x1-1.82x12 +37.03x2-0.40x22 +0.96x1x2, N, K the best allocation The ratio function is 25.304-6.115x1 + 2.504x2 = 0.