Soil degradation a threat to developing-country food security by 2020?

Soil degradation a threat to developing-country food security by 2020?

Manylion Llyfryddiaeth
Prif Awdur: Scherr, Sara J.
Awdur Corfforaethol: International Food Policy Research Institute
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Washington, D.C. International Food Policy Research Institute 1999.
Pynciau:
Soil degradation > Developing countries.
Food supply > Developing countries.
Food supply > Effect of soil degradation on > Developing countries.
Agriculture > Research > Developing countries.