This is a good article on composting, though the site is a blatant rip-off of SurvivalBlog:
Prepper News Excerpt:
This is a guest post by Gayle from Gainesville. Why compost? First and foremost, it’s a good idea to improve your soil before a SHTF scenario, and composing is the best and cheapest way to improve your soil. After things go south, we may not have ready access to composting ingredients. Second, post-SHTF there will be little access to fertilizers and pesticides. So, it’s best to learn to garden naturally.