我场水稻抛秧田恶性杂草主要有稗草、水莎草、异型莎草、矮慈姑、鸭舌草、牛毛草、野荸荠、千金子和慈姑等 ,局部田块双穗雀稗、萤蔺、田字萍等亦严重发生。对目前水稻抛秧田使用的2 0多种除草剂及混用配方的试验、示范结果表明 ,农思它、金满地、超级扫特、农家富 1号和抛秧一次净等对三类杂草均有很好的防除效果 ,其总体防效均在 90 %以上 ;混用配方禾大壮 +水星、草克星 +广灭灵、禾大壮 +农得时、农得时 +广灭灵和禾大壮 +苯达松等对三类杂草的株防效为90 37～ 99 4 1%。广灭灵和苯达松作茎叶处理 ,可弥补其他除草剂的不足 ,做到有的放矢 ,对水稻抛秧田的平衡增产具有独特功效 My field rice throwing seedling malignant weeds are mainly barnyard grass, water sedge, Shaped algae, short arrowheads, Monochoria, Mao Mao grass, wild water chestnuts, Qianjinzi and arrowheads, the local field binary paspalum, Ying Lin , Tian Zi Ping, also a serious occurrence. Tests on more than 20 kinds of herbicides and mixed formulas used in paddy field for rice seedling at present have shown that the results of this study show that Nongsit, Kinmen, Super Sweeper, Nongjiafu No.1, Grass has a very good control effect, the overall control effect is more than 90%; mix formula Wo dazhuang + Mercury, grass nemesis + clomazone, Wo Dazhuang + agricultural income, agricultural time + Wo Dazhuang + bentazone and other three classes of weeds control effect was 90 37 ~ 99 4 1%. The broadleaf and bentazon for stems and leaves treatment, can make up for the lack of other herbicides, to be targeted, the balance of rice paddy field yield increase has a unique effect