|By 联合国粮食及农业组织 (http://www.fao.org/soils-2015/logo-guidelines/zh/) |
[CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)],
via Wikimedia Commons
According to the UN soil is "humanity's silent ally."
Here is one more resource from the Food and Agricultural Organization.
There is a citizen science soils program about which you may learn more here.
The IYS kicked off in December 2014 so I'm more than a little late! My hope is that you know about it already.