This manual provides guidance on how to harvest, process and store seed. It covers annual crops primarily, but is also relevant for tree seed. Though designed for the USA it is of wider geographic relevance. It is useful for practitioners and for trainers.
McCormack J.H., 2004, Seed processing and storage: principles and practices of seed harvesting, processing, and storage. An organic seed production manual for seed growers in the Mid-Atlantic and Southern U.S., https://www.researchgate.net/publication/216379642_Seed_Processing_and_Storage_Principles_and_practices_of_seed_harvesting_processing_and_storage_an_organic_seed_production_manual_for_seed_growers_in_the_Mid-Atlantic_and_Southern_US