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

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

書誌詳細
第一著者: Scherr, Sara J.
団体著者: International Food Policy Research Institute
フォーマット: 図書
言語:English
出版事項: Washington, D.C. International Food Policy Research Institute 1999.
主題:
Soil degradation > Developing countries.
Food supply > Developing countries.
Food supply > Effect of soil degradation on > Developing countries.
Agriculture > Research > Developing countries.