Search Results       Your search for [author]Wollenberg, Eva Karolina returned 1 record.           Urban markets, and rural resource productivity : incentives for soil conservation among upland farmers in the Philippines. by Wollenberg, Eva Karolina; Ann Arbor, Mich.: UMI Dissertation Services, 1991. Subject: Agricultural productivity; Soil conservation; Soil productivity.          Add to Book Cart Relevance: 32.94%