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Best Cover Crops Before Planting Watermelons for Superior Flavor

Soil Prep for Great Watermelons

Watermelons love hot summers in sandy, nutrient-rich soil. A prior cover crop of buckwheat or alfalfa adds nitrogen and organic matter. Plant seeds 2–3 per hill, thin to strongest, hills 6 feet apart.

Feed with diluted fish emulsion until heavy bloom, then switch to high potassium/phosphorus, low nitrogen fertilizer. Limit to 1–2 melons per vine. Stop watering a few days before harvest to concentrate sugars.

Kansas State guide: Watermelon Production.

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