Andean root and tuber crops : a report on collaborative research in biodiversity, 1993-1997
1997
Crops
Seeds of change : the living treasure, the passionate story of the growing movement to restore biodiversity and revolutionize the way we think about food
1994
Ausubel, Kenny |
Crop evolution, adaptation and yield
1993
Evans, L. T. |
Local crop development : an annotated bibliography
1996
van der Heide, W. M. |
Tripp, R. |
Boef, Walter de |
Cultivating Knowledge : genetic diversity, farmer experimentation and crop research
1993
Boef, Walter de |