It is important to give your squash, cucumbers and zucchini a mid-season water soluble feeding. After they have been growing and producing, they often take up a lot of nutrients. I like to give them a water soluble NPK organic fertilizer or similar with Epsom Salt and calcium nitrate. In 1 gallon of water I put in the recommended does of the NPK fertilizer, 1 tablespoon of Epsom Salt and 1 tablespoon of calcium nitrate. These feeding helps them to continue to stay green and produce.
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