
| Abstracts on Sustainable Agriculture (GTZ, 1992, 423 p.) |
| Abstracts on seed production |
1187 92 - 9/34
Seed production
Review, study, guide, audiotutorial unit, handbook, CIAT, developing countries, tropics, subtropics, bean seed, management, ecology, production, harvest, standards, activities, evaluation
DOUGLAS, J. et al.