Spring vegetable production management technical points
First, strengthen the management and service of the base dishes
In strict accordance with relevant standards and systems, we will strengthen the monitoring of the base environment, the supervision of daily management, and the inspection and inspection of product quality, give full play to the role of the plant protection personnel, and further strengthen the guidance and training of the relevant production technology for the base production management.
Second, do a good job in the management of the middle and late winter greenhouse
The production of winter-warm greenhouses has basically entered the mid-to-late stage. The current and future priorities are to strengthen the following aspects of management measures:
1. Increased sunshine: During the spring, the temperature in the spring rises, and appropriate measures can be taken to cover the curtains in early evening to extend the lighting time of vegetable crops to increase the lighting.
2. Supplemental nutrition: After a few months of winter growth, the crop consumes a lot of nutrients, so nutrition should be added in a timely manner, and the number of watering should be gradually increased. The principle of formula fertilization should be used to timely apply fertilizer, especially phosphorus and potassium fertilizers and various trace elements. Combining foliar sprays prepares the crop for full growth.
3, gradually wind: After the temperature rises, we should pay attention to reasonable ventilation, especially when the end of the wind should pay attention to greenhouse temperature difference between inside and outside, to avoid causing "wind".
4. Resisting disaster weather: In the spring, the temperature is unstable, and there are often strong winds and low-temperature weather. Pay attention to the weather forecast and prepare for prevention in advance.
5, prevention of pests and diseases: With the increase of temperature, humidity should pay attention to the prevention and treatment of crop pests and diseases, to choose efficient, low-toxic pesticides in a timely manner to ensure the normal growth of crops.
Prevention and control of downy mildew, metalaxyl for disease, radomil and dimethomorph, prevention and control of pyrimethanil for gray mold, prevention and control of powdery mildew, use for aphid, thrips, whitefly Control of imidacloprid and Aketai, prevention and control of avermectin and cyromazine for leaf miners, prevention and control of phoxim by underground pests, and prevention and control of soil-borne fungi by using fylline Limit the number of medications and medication time to ensure the quality and safety of vegetable products.
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