Re-applying organic fertilizer, using less organic fertilizer as fertilizer, and not applying or reducing 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.
Increasing the temperature difference between day and night to increase the temperature difference between day and night is beneficial to the accumulation of photosynthetic products (sugars). In the melon fruiting period, the temperature difference between day and night should be as large as possible. In general, the daytime temperature in the shed is kept at 30~35°C, the nighttime temperature is kept at 13~14°C, and the temperature difference between day and night is kept at 16~18°C.
Reasonable increase of potassium 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.
Proper control of water melon ripening soil moisture is too large, 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.
Increase the light shed film to diligently wipe, do not have water droplets, leaves should be paid attention to thinning around the melon to increase the transparency between plants.
Moderate harvest melon generally develop 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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