The document is a presentation about seed saving and seed banking practices, particularly in the context of sustainable farming in Thailand. It explains the importance of saving seeds for preserving biodiversity, promoting self-sufficiency, and reducing dependence on commercial hybrid or GMO seeds. The presentation covers how to select, clean, dry, store, and test seeds for germination using low-cost, appropriate technologies. It emphasizes using local resources and traditional knowledge to ensure food security and support organic, community-based agriculture.