土地真的很重要。
看着国内那些土地被重金属污染，实在是担心和心疼。
好多污染都要上百年的时间才能恢复。一块电池扔到地里，据说是要污染半平方的土地。触目惊心啊！
赶快严格执行环保制度吧，不然后果不堪设想。
Feed: Nature - Issue - nature.com science feeds
Posted on: Wednesday, 8 June 2011 10:00 AM
Author: Steve Banwart
Subject: Save our soils
| Save our soils Nature 474, 7350 (2011). doi:10.1038/474151a Author: Steve Banwart Researchers must collaborate to manage one of the planet's most precious and threatened resources — for food production and much more, says Steve Banwart. |
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