1) cotton-pasture intercrop field
间作牧草棉田
1.
By field systematic investigation, the characters of Arthropod community structure and dynamics, temporal pattern, numeric dynamics of dominant pests and natural enemies in cotton-pasture intercrop field in Dunhuang from May to October in 2004 were investigated using the knowledge and theory of community Ecology in order to enrich the theoretical foundation for IPM of pests.
本研究着眼于敦煌市棉花生产和害虫发生与治理的现状,采用系统调查的研究手段,综合应用群落生态学的原理和方法,在2004 年5 月——10 月对间作牧草棉田节肢动物群落的结构特征、时间格局、优势害虫和天敌的消长动态等进行了研究,为该地棉田害虫综合防治提供理论依据。
2) Intercropping model of fruit-graze
果树-牧草间作
3) grass field
牧草田
4) cotton-alfalfa intercrop field
间作苜蓿棉田
1.
Community structure and temporal pattern of arthropods in cotton-alfalfa intercrop field;
间作苜蓿棉田节肢动物群落结构及时间格局
6) continuous cropping of cotton
连作棉田
1.
The soil microbial biomass C,N and the activity of soil urease,invertase,catalase of flood-drought crop rotation after 26 years continuous cropping of cotton were significantly increased.
研究了新疆典型植棉区不同耕作措施对连作棉田土壤微生物量碳、氮和酶活性的影响,旨在揭示连作棉田耕地质量的变化,以及为新疆棉区维持棉田高产、高效的土壤可持续生产能力提供依据。
补充资料：棉田
1.种植棉花的田地。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条