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作物生育中期是营养生长与生殖生长齐头并进的时期,需要肥水多。肥水充足.棵壮穗大.产量高;肥水不足.棵细
Mid-crop growth is a time when vegetative and reproductive growth go hand in hand, requiring more fertilizer and water. Feishui adequate. Big spike big. High yield; inadequate fertilizer and water