In the period of expanding the melon, the watermelon is added in time to enter the period of expanding the melon. The amount of water needed for the water is increased. If the water is not supplied in time for the fertilizer, and the watermelon does not have enough water and nutrients, the growth is inhibited and the expanded melon is slow. In view of the above situation, the fertilizer and water supply should be strengthened in time. Generally, after entering the expanded melon period, water should be poured every 8~10 days, and water-soluble fertilizer should be applied with water, such as Le Bar, 5~8 kg per mu. If the melon farmer is worried about the cracked melon, the leaf can be sprayed with the whole nutrient-type foliar fertilizer, and the nutrients needed for the watermelon can be used to ensure the normal growth of the watermelon.

    Timely adjustment of the growth of watermelon vines, where the growth of the vines is too strong or too weak, the watermelons are slower. Because the vegetative growth of watermelon is too strong, it will lead to the inhibition of reproductive growth, that is, when the watermelon is inflated, it will not get enough nutrients, which will cause the watermelon to grow slowly. The vegetative growth of the plants is weak, and the photosynthesis products produced by the photosynthesis of the leaves are few, so that the supply of nutrients required for the growth of the fruits is insufficient, and the watermelons are also slower. In this regard, it is recommended that melon farmers adjust the growth of the vines in time for the growth of their own watermelons. For the long watermelon, the temperature in the shed should be strictly controlled. It can also be taken by topping or foliar spraying of chlormequat and paclobutrazol to control the growth of the plant. For those that are too weak to grow, it is necessary to replenish water and fertilizer in time.

    Be careful not to damage the melon vine due to mechanical damage, pests, bruises, treads and other external causes of watermelon melon vine injury, affecting its robust growth, resulting in slower expansion of watermelon, and even produce deformed melons. In this regard, we should promptly control pests and diseases, and minimize the damage caused by external causes, so as to ensure that the growth of watermelon is not affected.