来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学第10集》

The concern about this is the heavy pesticide use,

杀虫剂和除草剂的大剂量施用
the herbicide use in this case, and what it means

对地下水大气污染等有何影响
to the groundwater, to air pollution, and the like

还有我们能为此做些什么
and what can be done about this.

都是需要关注的
More application of these things

更多的这类药品地滥用
are not what environmentally concerned groups would like to see.

是环保团体所不乐见的
Here are a few numbers just to show you

为了说明有多少药品运用于哪些作物
how much stuff is applied to what.

给你们看些数据
The percent of corn that's grown in monoculture

单一栽培和与大豆轮种的玉米
or rotated with soybeans in the United States,

在美国占耕地面积的82%
82% vast acreages; fertilizer is applied to 98% of corn;

98%的玉米施用过化肥
insecticides are applied in 97% of corn acreages;

97%的玉米耕种区喷洒过杀虫剂