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使用水稻除草专用肥省工、省时 ,可增产 60 4.5kg/hm2 增收 40 0 .5元 /hm2 ,对水稻生长和后茬旱作安全
The use of special rice weeding workers, save time, can increase 60 4.5kg / hm2 income 40 0 .5 yuan / hm2, on the growth of rice and dry crop safety