- Sep 29, 2012
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I believe the one nutrient plants need when producing fruit, that is most likely to be in short supply, is potash (potassium). This happens to exist in very large measures in wood ash, so next time you have a bonfire to burn off all those prunings that are too woody for the compost heap, put the ashes around your fruit trees/bushes
You can give you plants potassium by using banana peels. Either soak them in water to make a liquid, dry them to use as mulch, or just put them in the soil. You can just lay them at the base of a plant, but it's better to cover them up. There are a lot of different ways of using them from compost to making a spray.