Each time you crack an egg open, instead of tossing the shell into the trash, drop it into an open container that you keep in the fridge. When the container is full, crush the shells into small bits and sprinkle them around the base of your plants. The sharp eggshells will deter slugs, snails, and other bugs from nibbling on your garden and add a touch of calcium to the soil.
Spraying epsom salt on plants boosts magnesium supply to plants and increases yield. Spraying 1 table spoon of epsom salt mix with 4 litre of water twice with 10 days gap could be used for good results. Tomatoes, peppers and rose can benefit extraordinarily