Effect of fertilizer on the yield and forage quality of Glycine max

doi:10.11686/cyxb2016201

Abstract

Abstract: Using a “3414” optimal regression design, this study set three factors of nitrogen, phosphorus and potassium and four fertilizer levels (N: 0, 20, 40, 60 kg/ha; P₂O₅: 0, 35, 70, 105 kg/ha; K₂O: 0, 25, 50, 75 kg/ha) to investigate effects on the yield and forage quality of Glycine max. The results showed that during the seed-filling stage and with N₂P₂K₂ fertilizer level (N 40 kg/ha,P₂O₅ 70 kg/ha,K₂O 50 kg/ha), G. max had the best nutrient quality. At N₂P₂K₂ fertilizer level, the fresh and hay yields were at their highest levels, which were 39238.09 and 16209.12 kg/ha respectively, representing increases of 24.47% and 36.17% compared with the control, crude protein and crude fat content were the highest (18.40% and 2.60%), 37.02% and 73.61% higher than the control respectively. Crude fiber content was the lowest, reducing by 18.46% when compared with the control.

HUANG Yan, DUO Tian-Qi, YU Yao, YAO Feng-Jiao, JI Jing, KUANG Xiao, CUI Guo-Wen, HU Guo-Fu. Effect of fertilizer on the yield and forage quality of Glycine max[J]. Acta Prataculturae Sinica, 2017, 26(4): 211-217.

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