>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-9 共查到vegetable production相关记录9条 . 查询时间(0.062 秒)
Organic Vegetable Production     Organic  Vegetable  Production       2013/6/28
Organic production is a farming system that lends itself well to small-scale and part-time farming operations. This publication provides details on National Organic Standards (NOS), organic certificat...
Drip or trickle irrigation is a very efficient method of applying water and nutrients to crops. This eight-page publication, part of the Agricultural Alternatives series, details the advantages and li...
This eight-page publication, part of the Agricultural Alternatives series focusing on small-scale and part-time farming operations, covers the issues surrounding irrigation for small fruit and vegetab...
New vegetable research into protective cropping in the South Pacific islands and Australia could help overcome challenges posed by climate and global food security.
The quality of irrigation water from different sources used by urban farmers in the Accra Metropolis was investigated. These were, tap water stored in dugout, surface water (from stream) and wastewate...
Vegetable crops such as cucumber and tomato are grown widely through the world using not only field but also protected farmland. Sensitive responses of many vegetables have been widely reported to env...
Improving production efficiency remains as a plausible means of increasing productivity when resource reallocation, and the creation and adoption of new technologies are limited. Technical, allocative...
Agricultural chemicals may have an adverse impact on environment and food safety. The demand prices of such chemicals reveal farmers’ willingness to pay and their preferences. This article examines th...

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...