【摘要】 <正> 前言田园杂草为害严重,急待防除。实践证明,化学防除见效快,而生态防除却是经济实惠、有效的方法。单项防除杂草的措施不是根本办法,应该进行综合防除,而“防重于治”,加强杂草检疫工作,又是最重要的措施。一、田园“杂草”、“恶性杂草”的概念和杂草危害的严重性从生产实践出发,可将植物分为野生植物、栽培植物(作物)和杂草三大类。田园中的“杂草”,在多实性(结的籽实多) (表1)和脱落性(随成熟、随脱落)等方面还保持着野生植物特性,但不属于野生植物的范畴(李扬汉,1981)。更多还原

【Abstract】 In this paper, the author expounded that in order to control weeds, the biological characteristics of weeds growing under different conditions should beinvestigated understanding the relationship betwe en weeds and environmental conditionsis the main basis for weed control, especially for its ecological control, The carter must be considered as the main chain, combining with chemical control and other agricultural measures, Only so doing, can the weed control be high-effective, safe and economic.更多还原