1. Fertilization: Watermelons have large fruits, short growth time, fast growth, and need a lot of fertilizer. Therefore, to apply sufficient fertilizer, 1000 kg of soil miscellaneous fertilizer should be applied per mu. At the same time, it is necessary to fertilize in stages according to the various stages of watermelon growth and development: (1) When there are 4-6 true leaves in the seedling stage, it is necessary to apply an appropriate amount of manure and urine water to promote the growth of seedlings. (2) When the melon seedling grows to 7-9 true leaves, it is from the vegetative stage to the reproductive growth stage, and at this time, it is necessary to apply melon fertilizer. Method: is on the side of the inverted vine, 20 cm from the base of the melon seedlings ditch, 800 kg of rotting pig manure per mu, 25 kg of rotted peanut bran, 11 kg of ammonium sulfate, and on the other side of the 33.3 cm from the base of the melon vine ditch, 700 kg of soil fertilizer per mu, 48 kg of rotting peanut bran, 16 kg of ammonium sulfate mixed application, after the application of the soil. This kind of fertilization can not only ensure the growth of watermelon, but also have sufficient nutrient supply during the melon period, so as to increase the yield and income of watermelon.
2. Furrow paving: After ditching and fertilizing, a layer of weeds is spread on the furrow surface, which has the effect of preventing the melon vines from sticking to the soil when it rains, so that the watermelon can grow better, and it also plays a role in keeping the soil loose and preventing weeds from overgrowing.
3. Whole vine: When the melon seedlings begin to fall into the vine, the first thing to do is to orient the melon vine along the wind direction on the side of the furrow, and each vine is equally spaced and does not overlap. When the melon vine develops, when the side vine extracted at the base, if the watermelon plant grows vigorously, two side vines can be left at the base, together with the main vine a total of three; if the watermelon plant vine grows more drowning, only one side vine can be left, and the excess side vines are removed, which can avoid the consumption of nutrients, so as to facilitate the growth and development of watermelon, flowering and fruiting.
4. Pressing the vine: When the watermelon vine grows to 0.33 meters, it is necessary to start pressing the vine, and the vine is compacted with soil every 5-6 sections, and the side vine is also pressed to prevent the invasion of wind and rain.
5. Pollination: The flowering of watermelon is to bloom after 5 o'clock in the morning on a sunny day, and bloom at 6 o'clock. Therefore, artificial pollination is required, and the ovary of the female flower of watermelon has fine white hairs, and when fertilized, it gradually expands and becomes a watermelon.
6. Stay melon: When the main vine of watermelon grows to 7-9 leaves, the first female flower is born, and the first melon is generally not left. After leaving the melon, it is necessary to carefully look at the growth of the melon and apply an appropriate amount of fast-acting fertilizer. When the melon grows to about 23 days, apply an appropriate amount of fast-acting fertilizer again, and then carry out the second melon retention, which can increase the yield of watermelon.
The technical points of field management of watermelon planting are introduced here, I hope it will be helpful to you. If you want to buy high-quality and high-yield watermelon seeds, you can download the seed bank App, and the country's excellent watermelon varieties are available for everyone to choose.
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