21. Give Your Garden A Calcium Boost: I don’t compost, but I do keep my rinsed eggshells and once I have a big pile full I put them in the blender. and turn them into powder to spread out in the garden. If you try this, be forewarned (via Graceful Little Honey Bee)
24. Gardening with Epsom Salt: Epsom salt (Magnesium Sulfate) is a well-reputed organic gardening supplement. Discover the benefits of Ultra Epsom Salt as a soil enhancement: create lush green grass, full roses, healthy houseplants, strong trees and vibrant gardens. (via Salt Works)