| http://www.w3.org/ns/prov#value | - ural system (relating to micro-organisms, the soil flora and fauna, and other plants and animals).To mantain and increase the fertility of the soil and thus to contribute to long-term conservation.To minimize all forms of contamination the could result from established agricultural practices.To allow farmers to gain a satisfactory living out the land, not only financially, but also in terms of lab
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