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近期,由河北省林业科学研究院研制发明的“一种用于萱草茎叶处理的除草剂”获得国家发明专利授权。化学除草剂应用技术在我国的发展不断提高,通过60多年的试验发展,除草剂在水稻、小麦、玉米和部分经济作物上形成了较为完善成熟的化学除草体系,取得了显著的经济效益和社会效益。林业化学除草特别是一些低矮的
Recently, the invention of “a herbicide for stem and leaf treatment of Hemerocallis” invented by the Academy of Forestry of Hebei Province was granted a national invention patent. The development of chemical herbicide application technology in our country has been continuously improved. Through more than 60 years of experimental development, herbicides have formed a relatively complete and mature chemical herbicidal system on rice, wheat, corn and some cash crops and achieved remarkable economic benefits and social benefit. Forestry chemical weeding is especially low