Six points for prevention of premature decay of summer vegetables
In summer, the environment with high temperature and high humidity can easily lead to premature failure of vegetables and reduce yield. In order to prevent the occurrence of premature aging, farmers must pay attention to the following six points:
1. Drain the drains and lower the water level. In summer, it is necessary to frequently clear the field furrows to eliminate waterlogging, improve the living environment in the rhizosphere of vegetables, reduce pests and diseases, and avoid the occurrence of roots.
2. Use fertilizer scientifically to ensure that it is needed. Fruit and vegetable vegetables need more fertilizer and more fertilizer. Therefore, base fertilizer must be applied to guarantee the supply, especially at the seedling stage, flowering stage, maturity stage, and after the fruit is harvested for the first time. The combined application of nitrogen, phosphorus, potassium and trace elements (boron, calcium, zinc, iron) has a good effect on restoring the vitality of the plants, increasing the yield of the second batch of fruits, and preventing premature aging. In the later stage, extra-root fertilizer can also be applied.
3. Irrigation cooling, dissolved fertilizer promote long. In the hot season, furrow irrigation or sprinkler irrigation should be carried out in time according to the conditions of soil and vegetable production, in order to reduce the soil temperature, air temperature and leaf temperature, and reduce the high temperature and hot air encountered by the blades. At the same time, supplementing water and dissolving fertilizers favors root absorption. On the other hand, timely cultivating in the rain, breaking the knot, and maintaining the oxygen increase health promotion.
4. Take heart at a proper time to promote precociousness. After harvesting the first loquat fruits, peppers, eggplants, tomatoes, etc., should be based on the density, timely removal of the top heart and the side of the heart, eliminate the "top dominance" and promote balanced growth of the plant, that is, when the seal line can be used to hit the top heart and side If you do not close the line, you will only take care of your heart. Cucumbers, melons, watermelons, etc., when the melon vines grow to about 25 leaves, can be picked up and cut off the middle and upper branches and axillary buds, so that concentrated nutrients transported to the young fruit to promote its rapid expansion. The beans should be flexibly grasped according to the variety characteristics and the height of the scaffold. If it is a long vine, it can be picked when the vine grows to about 2 meters, and the short vine and autumn beans are not topping. When topping, the diseased leaves and dead leaves will be taken out of the field to reduce the breeding of diseases and insects.
5. Control pests and grow robustly. Common diseases and pests of vegetables in summer include viral diseases, anthrax, gray mold, ulceration and aphids, red spider, larvae, and bollworms. When using drugs for prevention and treatment, special caution is required. Highly toxic residual pesticides are strictly forbidden to ensure the safety of humans and animals. Irrespective of pest management or treatment, no spraying can be conducted 10 to 15 days before harvest.
6. Harvest in time, mention the morning market. Timely harvesting can produce bumper crops and increase economic benefits. Like most fruits can be harvested at eight mature, eggplant, beans vegetables harvested at nine when it is good.
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