Much of the 180 billion tons of carbon lost from vegetation and soils can be taken up in soil under the most modern agricultural practices. (watertechbyrie.com)
[The iron was traditionally delivered to the open ocean in wind - borne dust from arid lands which has now been depleted by 30 % or more by modern agricultural practices...] (realclimate.org)
The need for these botanical libraries has its roots in modern agricultural practices, which have whittled farmers» once - vibrant mix of plants down to a narrow collection. (discovermagazine.com)