搜索结果: 1-3 共查到“环境科学技术基础学科 agriculture”相关记录3条 . 查询时间(0.039 秒)
No-till agriculture increases crop yields, environmental gains over long haul（图）
No-till agriculture increases crop yields environmental gains long haul
2020/5/29
A study in Global Change Biology clearly demonstrates significant benefit to the environment and to crop yield for farmers practicing no-till versus tilled agriculture consistently...
Study: Environmental exposure to hormones used in animal agriculture greater than expected
Environmental exposure hormones used animal agriculture greater than expected
2015/5/25
Research by an Indiana University environmental scientist and colleagues at universities in Iowa and Washington finds that potentially harmful growth-promoting hormones used in beef production are exp...
AGRICULTURE SECRETARY VILSACK NAMES JAY JENSEN AS DEPUTY UNDER SECRETARY FOR NATURAL RESOURCES AND ENVIRONMENT
agriculture natural resources enviroment
2009/4/27
WASHINGTON, April 22, 2009 – Agriculture Secretary Tom Vilsack today announced the appointment of Jay Jensen as USDA Deputy Under Secretary for Natural Resources and Environment (NRE). In this po...