The higher the single quince weight and the higher the yield, the better the yield, the yield, the maturity of the watermelon cultivar, the environment, and the cultivation conditions. Under normal cultivation conditions, the early watermelon varieties weigh 4 to 6 kilograms per mu and produce 2500 to 3,500 kilograms per mu. The middle and late ripened watermelon varieties weigh 4.6 to 7.5 kilograms and produce 3,000 to 4,000 kilograms per mu. Waterless watermelons generally have a large size, high yield, and are relatively late-maturing. Indeed, there are also some “silly big†watermelon varieties that like to use large amounts of water and fertilizers. Although the yield of these varieties is high, the quality is often poor and the market prospects are not good. Therefore, the melon farmers must be cautious in buying those watermelon varieties that highly promote monoculture weight and yield.
The higher the sugar content, the better. Under normal cultivation conditions, the mature watermelon has a sweet sugar content of 10%. The sugar content is more than 12%, except that the high-quality small-sized watermelon and the unsalted watermelon have a sugar content of 12% or more. There are few varieties of watermelon. Moreover, the sugar content is not only related to the watermelon variety, but also has a great relationship with the external environment and cultivation conditions and the maturity of the watermelon. Therefore, the propaganda for the high sugar content of some watermelon varieties cannot be believed.
The shorter the whole growth period and the shorter the fruit development period, the better the number of days for the whole growth period of the middle and late-maturing watermelon varieties is based on the number of days required for the local spring dew-breeding and fertility process. The number of days from direct seeding to harvesting for the live direct seeding; The number of days until harvest, plus the number of seedling days. The number of days for the whole growing period of the early-maturing watermelon varieties was based on the number of days required for the local spring shed or double-film covering cultivation process, ie the number of days from the time of planting to the first batch of melons to harvest, plus the number of days at the seedling stage. The fruit development period refers to the number of days from the opening of the second female flower of the watermelon vine to the maturity of the melon. The maturity of watermelon varieties was divided according to fruit development period: 25-30 days for fruit development, early maturation, 30-40 days for medium maturity, and greater than 40 days for late maturity. The general maturing period of the early maturing variety is 80-90 days, the maturing variety is 90-95 days, and the mid-late maturing variety is more than 95 days. Small watermelons are earlier matured and their whole growth period is shorter; no watermelons are more mature and have longer growth periods. For those watermelon varieties that claim to be very precocious, the melon farmers must be clear to the breeding unit.
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