种植四棱豆掌握住浇水技巧，三次肥，出苗全苗壮、开花多结荚好

2026-01-20 网络整理佚名1110

Key Point:需肥最多的时期为始花期至结英中期，这一时期要吸收氮素总量的84.4%、磷素的90%、钾素的60.9%，氮肥和磷肥的施用重点在前中期，钾肥则应前轻后重

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