【摘要】 选择 10 .6 8hm2 虾池对复合除草剂的应用效果进行观察。结果表明 ,使用复合除草剂的虾池 ,基本无杂草生长 ,池水透明度适宜 ,夜间DO含量高 ,利润可增加 6 5 91.77元 /hm2 。更多还原

【Abstract】 hm 2 shrimp pond was selected to study the effect of compound herbicide The result showed that almost no weeds were growing in the ponds and the water transparence was appropriate Dissolved oxygen at night was high All this could secure a profit rise of 6 600 Yuan/hm 2更多还原