表1 忠县稻田杂草消长规律统计表(稻田单位株m2

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表1忠县稻田杂草消长规律统计表（稻田单位：株/m2调查时间
5\10

5\165\215\266\26\66\116\166\21合计

稗草0.937.225.559.317.968.74.634.6316.4865.41矮慈菇13.3313.33长瓣慈0.934.083.153.15菇
慈菇22.7727.0435.3733.5239.074.0720.3720.3713.89216.47鸭舌草6.116.116.1138.1556.48节节菜0.370.563.893.331.671.111.1115.7427.78金鱼藻17.223.331.481.48莎草0.190.740.740.561.482.041.851.854.2613.71水花生0.562.591.111.850.931.671.851.850.3712.78牛毛毡1.10.8610.930.60.931.071.070.88.36蓼类3.340.370.190.19四叶萍2.591.853.152.592.783.891.671.67121.19青萍1.39.449.44荸荠0.190.740.740.933.526.851.481.488.3324.26水绵0.20.2其它