One, watermelon does not sit melon reasons: 1, is not pruning or pruning is not timely, resulting in more than one branch, so that nutrients are transferred to the upswing 2, excessive use of nitrogen fertilizer, there will be excessive vegetative growth, that is, scorpion grows thick and strong, there is only a long phenomenon of melon pods do not set fruit, affecting the reproductive growth, thus affecting melons 3, rainy or wet weather, plant growth occurs, forming a long scorpion does not set fruit 4. In the flowering period, it may be affected by rain, low temperature (below 20°C) and high temperature (higher than 35°C). 5, plants grow too weak or affected by pests and diseases, but also affect the watermelon does not set fruit Second, the watermelon does not sit melon prevention and treatment: 1, all the nutrients grow too busy to form a fruit set, first hit all the lateral branches, only to retain 2 to 3 main vine growth, to prevent nutrients continue to consume, 1.2 meters away from the main vine from the root When not sitting in the melon, in addition to cutting off all the small lateral branches, the main lateral branch must also be plucked, that is, the size of the bean growing under the plant growth point. When there is still no melon sitting 1.5 meters away from the main vine's root, except for the small beak, 2. In the flowering period, the rainwater can be treated with a cap. In case of low temperature or high temperature, artificial pollination can be carried out to increase the fruit setting rate. If the pods are growing normally, they can still sit in this period. 3. The management of fertilizer and water should be strengthened in the weak and overly strong quails, and the pest and disease prevention should be strengthened to increase the watermelon squash rate.
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