2015-05-08, 07:06
Threats to soil productivity threaten food security
A group of leading soil scientists points out the precarious state of the world's soil resources and the possible ramifications for human security.
http://feeds.sciencedaily.com/~r/science...165404.htm
A group of leading soil scientists points out the precarious state of the world's soil resources and the possible ramifications for human security.
http://feeds.sciencedaily.com/~r/science...165404.htm