1. Egg Shells Crushed eggshells add calcium to your garden and help fend off slugs and snails, the presence of which can be determined to the health of your plants. Wash your eggshells, leave in sun to dry, crush into small pieces and add directly to your soil. Crushing them helps them to break down more quickly in your soil. 2. Banana Peels Don't throw out those banana peels - they can help your garden soil more than you think! Cut up your banana peels into very small pieces and place directly onto the soil. Banana peels will add a lot of fresh, organic matter to your soil which will result in well drained soil. Once the banana peels have broken down, they'll spike your soil with a ton of nutrients including calcium, magnesium, sulfur, phosphates, potassium and sodium. All of these nutrients help plants grow faster and healthier. 3. Coffee Ground s Used coffee grounds mixed into your soil will add organic material, improve the soils drainage and soil aeration. But that...