After the autumn stubble and the delayed vegetable planting in autumn, effectively suppressing the growth is the key to management. However, in recent times, the temperature has dropped rapidly. If vegetable farmers still adopt the conventional methods to control prosperity, it is easy to have excessive prosperous control. Then, how should we alleviate it? At the same time, what relatively safe measures should be taken to control prosperity?
There are two ways to alleviate the excessive control of prosperity: First, for the vegetables with a slight emphasis on prosperity control, environmental regulation can be used to alleviate them. Such as appropriately increasing the frequency of watering, spraying nitrogen-containing foliar fertilizer, or closing small air outlets to increase the night temperature to promote rapid vegetable growth. Second, it is recommended to use regulators for alleviation of vegetables that have severe control of prosperity. At the same time, it is better to cooperate with the previous environmental control measures. Then, the methods for controlling prosperous vegetables in the current season should be more flexible and changeable, which can be developed from the following aspects:
First, take a physical control method to effectively regulate the growth of vegetables that are less prosperous. In terms of management, one is to reduce the frequency of watering, expand the air vents to lower the night temperature, etc.; the second is to tilt the plants to weaken the top advantage, such as tomatoes; the third is to increase the amount of fruit retention or to delay fruit picking; Branches, proper retention of some side branches and deformed fruits consume plant nutrients, can play a certain role in controlling growth. The second is the use of regulators that balance growth. Some regulators currently on the market have a two-way regulation effect, and only need to pay attention to the dosage when using. If Ai Duoshou (compound sodium nitrophenolate) is 3000 times, cytokinin 600 times, seaweed products 500~600 times, amino acid foliar fertilizers such as photosynthetic power 300 times, conventional potassium dihydrogen phosphate 300 times, all can achieve The purpose of balancing growth and controlling prosperity.
The third is the use of prosperous medicine. This requires vegetable growers to choose the appropriate vigor control agent and concentration in combination with plant growth to avoid excessive vigor control. Commonly used agents for controlling proliferation include chlormequat, mepiquat, chlorophyll, paclobutrazol and so on. When spraying, you should also pay attention to the weather conditions, avoid rainy weather after the application, and avoid phytotoxicity or excessive control. In addition, spraying some azole agents can also play a certain role in inhibiting growth.
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