农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-6 共查到农学 Honey bees相关记录6条 . 查询时间(0.025 秒)
Foraging behaviour is one of the distinctive behaviours of honey bees, Apis mellifera. This behaviour is the link between the honey bee colony and the ambient environment. Therefore, various in-colony...
The histochemical activity of aminopeptidase and non-specific esterase, both important enzymes of intermediate metabolism in the mid gut of honeybees (Apis mellifera), was investigated. Nosema disease...
Mimosa tenuiflora (Willd.) Poir. (Mimosaceae) is a xerophilous plant which is very common in degraded areas in the Brazilian semi-arid region, including areas of beekeeping. The ingestion of leaves fr...
An experiment conducted with caged plots confirmed the large seed yield of Vicia faba L. in the presence of pollinating insects during the flowering season of the year 2003. The plants that were...
Every week over a 1-year period, pollen samples obtained from traps fitted on 4 hives were analysed microscopically in order to identify pollen sources and to determine how these sources varied durin...
04-05-2007,TALLAHASSEE–Florida Department of Agriculture and Consumer Services Commissioner Charles H. Bronson announced today that public education activities are underway in the state’s effort to pr...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...