A hybrid is simply two different plant varieties crossed for specific reasons. You can save the seeds produced by these, contrary to what you may have heard. It’s just more complicated than saving heirloom or open-pollinated seeds.
The Tao of Vegetable Gardening by groundbreaking garden writer Carol Deppe explores the practical methods as well as the deeper essence of gardening. She focuses on some of the most popular home garden vegetables—tomatoes, green beans, peas, and leafy greens—and through them illustrates the key principles and practices that gardeners need to know to successfully plant and grow just about any food crop.
Rice is the quintessential food plant around the world and it provides a significant amount of brown biomass for composting. Growing rice in the garden can be help you achieve food security but you need to pick the right variety for your region. There are a couple of important sub-categories of rice that need to be taken into consideration. Rice is either an upland type with a greater tolerance to dryer and cooler conditions or it is a lowland “paddy” type.
If you think it's important to prevent Monsanto and other corporate giants from controlling the seed supply, you may want to consider donating to Organic Seed Alliance. Here is a short video about the work they do.