First, the re-application of organic fertilizer less application of chemical fertilizer to organic fertilizer mainly, not or less application of chemical fertilizer is an effective measure to improve the sweetness of muskmelon. General organic fertilizers mainly include biogas residue, straw rot, chicken manure and bean cake. The chicken manure that can be cooked per mu is 15 cubic meters and the bean cake is 100-150 kilograms. Second, increase the day and night temperature difference between day and night temperature is conducive to the accumulation of photosynthetic products (carbohydrates), in the melon of the results of the period, it should be possible to widen the temperature difference between day and night. In general, the daylight temperature is maintained at 30-35°C, nighttime temperature is maintained at 13-14°C, and the temperature difference between day and night is maintained at 16-18°C. Third, the rational application of potash fertilizer in the case of low potassium content in soil, the sweetness of melon will be significantly reduced. Therefore, the amount of nitrogen fertilizer and potassium fertilizer should be reduced in the melon melon period. It can be used in the early stage of melon irrigation with potassium per unit of 8 to 10 kilograms of potassium fertilizer or 20 kilograms of high-potassium compound fertilizer. Fourth, the appropriate period of water control Muskmelon maturity soil moisture, not only will reduce the sweetness of melon, but also prone to "water rotten melon." Especially in the 10 days before the ripening of melon, we must pay attention to water control. Fifth, increase the lighting film should be ground cleaning, do not have water droplets, leaves around the melon should pay attention to thinning, in order to increase the transparency between plants. Sixth, appropriate harvest melon development 30 to 35 days to fully mature, high sugar content, flavor is good. However, for the morning market, some melon farmers often harvest early and reduce the sweetness of melons. Proper harvesting is the basic measure to ensure the sweetness of muskmelon.
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