【摘要】 采用22%草无影可湿性粉剂进行水稻田杂草防除试验,结果表明:25~30 g/667m2剂量处理效果最佳,施药时期为水稻秧苗插秧后7 d左右,在试验计量范围内对水稻生长安全。更多还原

【Abstract】 Four different concentrations of 22% Caowuying WP were tested to investigate the controlling weeds’ effect in the rice field.The results showed that the controlling effect of the treatment applying 25～30 g/667m2 was the best among the tested treatments,and the optimum application time was about 7d after transplanting rice seedlings,and the tested concentration of 22% Caowuying WP did not affect rice growth.更多还原