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稀禾定(通用名称为sethoxydim)系高选择性除草剂,对禾本科杂草显示枯死效力,喷撒稀禾定后,药剂主要经杂草茎和叶迅速被吸收,破坏其分裂组织。过去,在落叶松育苗上,采取播种后出苗前,用除草醚封闭床面固然是个好办法。但进入苗期后使用除草醚往往不是用量大了,容易伤苗,就是用量小了只能杀死嫩叶阔叶杂草,不能杀死窄叶的禾本科杂草,而用稀禾定就不出现这类情况。去年,通过三次在不同的土质、不同的气候条件下,用不同的药量,在4.515米~2落叶松床面上喷撒后观察结果,稀禾定不仅能够杀死
Diltiazem (commonly known as sethoxydim) is a highly selective herbicide that shows dead-dead effects on grass weeds. Spraying thinning sedatives, the agents are rapidly absorbed by stems and leaves of weeds and destroy their fissures. In the past, larch nursery on seedlings, before taking the seedlings after emergence, with weed-ether closed bed of course is a good idea. However, after entering the seedling stage weeding herbicide is often not a large amount, easy to wound injury, is the amount of small can only kill young leaves broad-leaved weeds, can not kill narrow-leaved grass weeds, No such situation. Last year, three different times in different soil conditions, different climatic conditions, with different doses, after the larch 4.515 ~ 2 larvae observed the results after spraying, not only can kill dilute set