CAJ | 학술논문

为了治理退化草原的杂草 ,促进草地稳产、高产和可持续利用 ,用两种除草剂(72% 的2 ,4-D丁酯和48% 灭草松水剂)3个不同剂量浓度对羊草草原的杂草进行防除试验.结果表明 :2 ,4-D丁酯和灭草松除草剂对羊草草原可饲牧草安全无害.2 ,4-D丁酯除草剂施用浓度为1 458 mL·hm-2时 ,杂草株防效和鲜重防效均较高 ,灭草松施用浓度为5 400 mL·hm-2时对刺菜株防效较好 ,在实际应用中可结合杂草分布情况混合复配两种除草剂提高杂草防除效果.
위료치리퇴화초원적잡초 ,촉진초지은산、고산화가지속이용 ,용량충제초제(72% 적2 ,4-D정지화48% 멸초송수제)3개불동제량농도대양초초원적잡초진행방제시험.결과표명 :2 ,4-D정지화멸초송제초제대양초초원가사목초안전무해.2 ,4-D정지제초제시용농도위1 458 mL·hm-2시 ,잡초주방효화선중방효균교고 ,멸초송시용농도위5 400 mL·hm-2시대자채주방효교호 ,재실제응용중가결합잡초분포정황혼합복배량충제초제제고잡초방제효과.
In order to control the weeds of degraded grassland and promote grassland stable high yield and sus-tainable utilization ,three dose levels of two herbicides (72% 2 ,4-D butylate EC and 48% bentazone aqueous solution) were used for the weed control test in Leymus chinensis grassland .The results showed that 2 ,4-D butylate and bentazone were safe to forage grass .When the concentration of 2 ,4-D butylate was 1 458 mL·hm-2 ,the weed control efficacy and strains fresh weight was excellent .Cirsium setosum could be controlled better when the concentration of bentazone was 5 400 mL·hm-2 .In practice ,combined with the dis-tribution situation of weed ,the two herbicides could be mixed to improve the weeds control effect .