%0 Journal Article
%T Effects of chemical insecticides on populations of insect pests and natural enemies in different cotton fields<br>化学杀虫剂对不同类型棉田害虫、天敌种群的影响
%A SU Li
%A <br>苏丽
%J 生态学报
%D 2003
%I 
%X Effects of chemical insecticides on populations of insect pests and natural enemies in 6 types of cotton field were studied in Raoyang County, Hebei Province, China in 1999. The cotton field types included: spring-planting cotton (planted on 27 April), late-planting cotton (planted on 15 May), summer-planting cotton (planted on 15 June), cotton-wheat intercropping in spring (planted on 27 April), cotton-bean intercropping (planted on 27 April), and cotton-wheat intercropping in summer (planted on 30 May). T...
%K cotton fields
%K chemical insecticides
%K insect pest population
%K natural enemies population
%K correlation<br>棉田类型
%K 化学杀虫剂
%K 害虫种群
%K 天敌种群
%K 相关性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=FB307CE0F424A886&yid=D43C4A19B2EE3C0A&vid=EA389574707BDED3&iid=59906B3B2830C2C5&sid=59CA4DC15FDFDB23&eid=4D26836B91D9EF6F&journal_id=1000-0933&journal_name=生态学报&referenced_num=2&reference_num=16