Choose a clean, ventilated, cool house with 7 to 10 cm thick fine river sand. Harvesting seven ripe melons on a cloudy or sunny evening requires no damage, no pests, and no melons. Harvest three watermelon leaves for each harvest, retaining 2 to 3 green leaves near Guati. After harvesting, immediately take a piece of melon vines with clean vegetation ash, and timely transport the melon to the warehouse, one by one on the fine sand, and cover the fine sand, the thickness to cover the melon 3 ~ 5 cm is appropriate The green leaves must be exposed on the sand surface, which is conducive to the production of nutrients and the preservation of melons. Then, the aqueous solution was sprayed with potassium dihydrogen phosphate (100 g) and water (50 kg). Spray once every 10 days to keep the leaves green. The melons harvested on the day were stored on that day and no overnight melons were stored. The watermelon preserved by this method is still intact in one and a half months, and it can maintain the variety characteristics, flavor and nutrition. Before washing, wash the melon with a concentration of 1000ppm thiophanate-methyl, dry it and then store it. The storage effect will be better.
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