搜索结果: 1-1 共查到“农业生态学 USDA”相关记录1条 . 查询时间(0.062 秒)
USDA MEETS PRESIDENT OBAMA'S 30-DAY BIOFUELS DIRECTIVE TO HELP MEET COUNTRY'S ENERGY NEEDS
USDA BIOFUELS DIRECTIVE COUNTRY'S ENERGY NEEDS ENERGY
2009/6/10
Responding to President Obama's directive to expedite and increase the production of biofuels, Agriculture Secretary Tom Vilsack today announced that USDA met its 30-day deadline to help produce more ...