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病虫草害学科中一个较新的学科——杂草学,已对农业的发展,特别是对作物的保护作出重大贡献。水生杂草和非耕作地杂草的防治,是用现代手段适当管理自然资源的一个部分。本文论述杂草问题、除草方法及其评价,并研究除草措施的改进及其前景。一、杂草问题的分析杂草问题和其他病虫害防治问题一样,如果没有正确的分析,就不可能恰当地予以解决。杂草问题的分析涉及包括杂草籽
A newer discipline in pest, weeds and weeds, weed science, has made a significant contribution to the development of agriculture, especially to crop protection. Prevention and treatment of aquatic weeds and non-crop weeds are part of the proper management of natural resources by modern means. This article discusses weed issues, weeding practices, and their evaluation, as well as the improvements and prospects for weeding practices. A. Weed Problems Analysis Weeds issues, like other pest and disease control problems, can not be properly addressed without proper analysis. Analysis of weed problems involves weed seeds