The high yield of melon can not be the key, the key is to taste sweet, because only high quality and good price can guarantee high yield. The sweetness of melons and fruits lies in fertilization, not the application of more fertilizer, but the application of fertilizer.
The first is to apply enough base fertilizer. The base fertilizer is mainly farmyard manure, generally 2000-3000 kg of fertilized organic fertilizer, 40-60 kg of potassium sulfate compound fertilizer, 0.5-1.0 kg of borax plus 5-10 kg of magnesium sulfate.
Followed by early application of seedlings. 10 days after transplanting, the seedling fertilizer was applied, and the general application of potassium sulfate type high nitrogen compound fertilizer was 5-10 kg, combined with watering.
The third is to re-apply the fertilizer. After flowering and pollination, the fruit grows to the size of the egg and begins to enter the expansion period. The upper leaves and fruits develop into the peak of fertilizer demand. In this period, the fertilizer should be re-applied. The application of sulfuric acid-type high-nitrogen potassium compound fertilizer is about 20 kg, and it is applied with water.
Finally, it is the application of root fertilizer. During the flowering period, spraying 0.2% potassium dihydrogen phosphate solution on the foliage will not only improve the sweetness but also increase the yield.
The calcium requirement of melon is also very large. The pH value of the soil is adjusted to 6.5-7 during the ripening period. The application of superphosphate or special calcium fertilizer is beneficial to the brightening of the peel, the appearance is beautiful, the sugar content is increased, and the quality of the fruit is improved.
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