The effect of 3 different herbicides (butralin,s-metolachlor and starane) on weeds control and oat seeds yield was studied by measuring the weed height,coverage,abundance and fresh weight. The result indicated that 3 herbicides were effective in oat field and no damage was observed. The best dosage for 48% butralin, 96% s-metolachlor and 20% starane were 5625 ml/ha, 1 350 ml/ha and 750 ml/ha,respectively,and their 30 d plant efficacy were 79. 7% ,84. 4% and 87. 8% ,with 25. 8% ,31. 8% and 39. 2% oat grain increment.
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万方数据
维普
