With the increase of temperature in spring, the night temperature in the shed has also greatly increased. At this time, if the management of the shed vegetables is not properly handled, it is prone to excessive length, high temperature obstacles and hormone poisoning, which cause problems such as flower fall, fruit fall, yellowing of leaves, and premature aging. It is suggested that the current vegetable management should have three defenses.
Anti-legacy: As the temperature gradually increases, the temperature difference between day and night becomes smaller, and vegetable plants are prone to overlength, especially the eggplant fruit vegetables and melons. Once the plant is too long, it is easy to cause the plant to drop flowers and fruits, and even if the fruit is sitting, deformed fruits such as hollow fruits are prone to appear. In order to prevent excessive growth, we must first pay attention to increasing the temperature difference between day and night. Secondly, the amount of nitrogen fertilizer should not be too large when fertilizing. Increase the application of phosphorus and potassium fertilizer as much as possible to promote plant fruit setting. If necessary, you can control the growth of tomatoes and sweet peppers by spraying 3,000 times more or boosting 750 times. For melons and vegetables, spraying 750 times booster or 1500 times dwarf booster.
Prevent high temperature obstacles: entering March, the temperature is high, the light is strong, and vegetables are prone to high temperature obstacles such as sunburn. It is suggested that in the recent vegetable management, the leaf picking and wiping should not be excessive. In addition to preventing high temperature, it is necessary to spray boron and calcium fertilizer on the leaves in time to promote flowering and fruit setting and prevent the occurrence of physiological diseases such as umbilical rot.
Antihormone: When the temperature is increased, when the vegetables are flowered or dipped in melons, the concentration of anthers should be reduced accordingly. Use the principle of using the minimum concentration of hormones at high temperature. Excessive use of hormone concentrations often affects plant flower bud differentiation, causing leaf shrinkage, deformity, growth retardation, and deformed fruits. Currently, peach-shaped fruits of tomatoes and cucumber heads are mostly caused by farmers who have not reduced the concentration of dipped flowers or anthers. . After discovering vegetable hormone poisoning, you can spray with brassinolide or love to receive 6000 times more or 400 times more nucleotides (green wind 95) to relieve.
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