resource

您的位置: 首页 > 特色资源 > 特色资源列表页

筛选

共检索到116条 ,权限内显示50条;

Development of China's Feed Industry and Demand for Imported Commodities
关键词:
China feed corn soybeans soybean meal imports livestock
年份:
2015
摘要:
China's commercial feed industry plays a critical role in supporting ...
Agricultural Productivity Growth in the United States: Measurement, Trends, and Drivers
关键词:
extension
年份:
2015
摘要:
Since 1948, U.S. agricultural output has more than doubled, with an ave ...
Improving Health Through Nutrition Research: An Overview of the U.S. Nutrition Research System
关键词:
research and development
年份:
2015
摘要:
ERS explores the structure and function of the U.S. nutrition research system, p ...
Genetically Engineered Crops in the United States
关键词:
research and development
年份:
2014
摘要:
d for crops. Their adoption has saved farmers time, r ...
Emerging Energy Industries and Rural Growth
关键词:
natural gas wind power ethanol economic growth
年份:
2013
摘要:
stigating the economic effects of the emerging energy industries-unconvent...
The Off-Farm Occupations of U.S. Farm Operators and Their Spouses
关键词:
industry
年份:
2013
摘要:
Most farm households earn all of their income from nonfarm sources and eve...
Agricultural Resources and Environmental Indicators, 2012
关键词:
research and development
年份:
2012
摘要:
important changes in U.S. agriculture-the industry's deve ...

首页上一页12345下一页尾页

意 见 箱

匿名:登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充