AL英文社

The world must significantly increase its use of phosphorus-based fertiliser to meet future demands for food.
That's the conclusion of a study that suggests a fourfold rise in the amount of mineral and organic phosphorus needed on grasslands by 2050.

"There is already a societal concern that we are feeding too much of our cereal crops to livestock and that pressure will only increase if our grasslands decrease in productivity."

"The leaching of phosphorus from agricultural lands into rivers and eventually the sea leads to uncontrolled algae growth and dead zones such as the ones found in the Baltic Sea, Lake Erie and the Gulf of Mexico. This is an effect of increased fertilizer use in the past half century.

引用:
http://www.bbc.com/news/science-environment-35587948

國際新聞導讀:

這篇文章講的是說，
由於世界人口越來越多，
對食物的需求大幅增加，
農夫們需要飼養更多的動物，
以便提供人類蛋白質來源，
也因此，地面需要撒更多的肥料，
才能長出更多的草來供動物們食用，
但是施肥增加了，食物自然價格也會增加，
同時肥料中過多的磷流到海洋中，
也會造成生態汙染。

其實許多食物都是人們浪費掉的，
只要避免浪費，
吃多少、點多少，
就可以減緩這種情況。

Huang

●歡迎按讚加入「AL英文社」臉書粉絲團