This manual is intended for use by Peace Corps volunteers as a resource for gaining an understanding and knowledge of basic horticultural principles and practices of orchard management. Addressed in the individual units of instructional text are orchard soils; botany of horticultural plants; insect and disease control in orchards; pome, stone, citrus, vine, and tropical fruits; and nuts. Appendixes to the manual contain a series of practical exercises dealing with photosynthesis, plant reproduction, and transpiration. (MN)