Preventing the spread of weeds is an important part of weed management.
控制杂草传播是杂草管理中的一个重要环节。
Traditionally, the major objective in weed management has centered on how weeds can be controlled.
我们的传统做法是，杂草管理的主要目标是以如何控制杂草为中心的。
Courses may include plant physiology, biochemistry, current pesticide regulations, forest pest suppression, chemical decontamination, and aquatic weed management.
课程包括植物生理学、生物化学、除虫剂使用规章、森林虫害预防、有害化学物质清理和水环境清理。
The number of weed species occurred and population size of each weed species depended directly on the management of the turf, whereas the turf location played the secondary effects on the weeds.
其中，地理位置是草坪杂草分布差异的间接原因，杂草种类的多少及每种杂草的数量与管理水平有直接的关系。
The software system consisted of file management, system initialization, image preprocessing, background segmentation and weed detection.
系统软件包括文件管理、系统设定、图像预处理、背景分割、杂草识别等内容。
This article discussed the division of conservation management, watering, fertilizing, pruning, pest control, cultivation, weed, anti-cold and other aspects.
本文从一年养护管理工作的划分、浇水、施肥、整形修剪、病虫害防治、中耕除草、防寒等多方面进行了论述。
The results showed that occurrence and distribution of weed species were related closely with the location, soil water contents and management of the turf.
调查结果表明，南京市草坪杂草的发生和分布与草坪所处地理位置、土壤水分条件及管理水平有密切关系；
The results showed that occurrence and distribution of weed species were related closely with the location, soil water contents and management of the turf.
调查结果表明，南京市草坪杂草的发生和分布与草坪所处地理位置、土壤水分条件及管理水平有密切关系；
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