This Link does not exist in your language, View in: English (en),
Or use Google Translate:  
Papia Portugues (mcm) | Change Language (Change Language)

https://vtechworks.lib.vt.edu/handle/10919/64847

The Sustainable Agriculture and Natural Resource Management (SANREM) Knowledgebase is a collection of information resources (books, reports, journal articles, videos, movies, presentations) produced or identified, classified, and summarized by SANREM researchers. This collection provides direct access or links to resources relevant to sustainable agriculture and natural resource management.