农学 >>> 畜牧学 >>> 畜牧经济学 >>>
搜索结果: 1-3 共查到畜牧经济学 Grazing相关记录3条 . 查询时间(0.101 秒)
The effects of sheep urine and dung patches on methane (CH4) and carbon dioxide (CO2) fluxes were investigated during the summer-autumn in 2010, to evaluate their contribution to climate change in a d...
Forty-four Gansu Alpine Fine-wool lambs were used to study changes in the activities of three gastric and five pancreatic enzymes under grazing conditions between 0 and 56 days of age. The lambs were ...
Southern tablelands graziers may need to reduce their stocking rates to overcome the impacts of changes in temperature and rainfall, according to production system modelling done by the NSW Department...

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...