大棚蔬菜病虫害防治措施探讨

来源 :农家致富顾问 | 被引量 : 0次 | 上传用户:wallacedfgf
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
本文首先从生长环境、外部条件、种植情况以及防治技术等方面,简要分析了大棚蔬菜发生病虫害的主要原因.然后结合当前实际,探讨了大棚蔬菜病虫害的具体防治措施,以供参考.
其他文献
The objective, accurate, and standardized evaluation of tumor response to treatment is an indispensable procedure in clinical oncology. Compared to manual measu
倪瓒(一三○一——一三七四)字元镇,号云林。别号很多,世称云林先生。倪云林的山水画是中国绘画史上一座耸入云霄的高峰,可谓无人不晓。他的书法,为画名所掩,知之者并不很多
The editorial staff and authors would like to make a correction to the published paper.1rnThere were some mistakes in the original version of the article in Fig
期刊
学生应该有享受快乐的权利,课堂应该是学生快乐的场所,作为一名一线教师,怎样运用灵活多样的教学方式让学生乐于学习,让学生在课堂上真正快乐起来是一项很重要的课题。从三个
As a surgical procedure which could significantly lower the recurrence rate of cancers, total mesorectal excision (TME) has been the gold standard for middle an
到目前为止,我国相对于其他国家来说,各方面的发展都是属于领先地位,各方面的发展也随着我国经济社会地位的提高而得到显著的发展.出于同样的理由,公众所追求的利益也正在趋
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
广电网络是一种集合了数字电视和宽带上网等多重功能的多媒体信息库.广电网络与人们的生活密切相关,同时广电网络的发展直接关系到我国未来经济的发展.智慧化、三网融合是未
Gastric adenocarcinoma is one of the most common types of cancer worldwide, with an incidence of a million new cases annually. In addition to having a high mort
Objective: Single-nucleotide polymorphisms (SNPs) in the ataxia telangiectasiaemutated gene ATM have been linked with pneumonitis after radiotherapy for lung ca