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在城市园林绿化中,如何养护好绿化带中的黄杨、葱兰、水带草及马尼拉草坪,不使其它野杂草生长是广大养护者极为关注的问题。过去都是人工拔除杂草,但在南方,杂草生长快,既不易拔除干净,又影响美观,还费时、费工本。笔者在浙江省临海市府大院内种植的瓜子黄杨、葱兰、水带草及马尼拉草坪等绿化树草的养护管理过程中,首先在瓜子黄杨绿化地上,用300倍草甘膦液进行喷雾试验,结果对瓜子黄杨无影响,而野杂草也只有轻微发黄;继之,喷洒150倍草甘膦液,结果瓜子黄杨无影响,而大多数野杂草死亡,但还有小量野草只发黄而不死亡;随后再加大剂量用100倍液,结果野杂草全部死亡,而瓜子黄杨无损。葱兰、
How to conserve boxwood, scutellaria, horticulture and Manila lawn in urban greening without causing other weeds to grow is of great concern to the majority of conservationists. In the past, artificial weeding was done, but in the south, the weeds grew rapidly, which was not easy to unplug and clean, but also affect the appearance, time-consuming and labor-intensive. The author in the Linhai City, Zhejiang Province, the compound yard planted in the poplar, green onions, horticulture and Manila lawn and other green tree and grass conservation and management process, first in melon seedlings on the ground with 300 times the glyphosate liquid spray test , The results did not affect the melon seed boxwood, and wild weeds also only slightly yellow; followed by spraying 150 times the glyphosate solution, the results did not affect melon boxwood, and most of the weeds died, but there are a small amount of weeds Yellow without death; then increase the dose with 100 times the liquid, the results of all weed died, and melon seeds without damage. Onion orchid,