At the moment, when a large amount of vegetables are in the late growth stage, the problem of premature aging is more prominent. Soon after the spring planting of vegetables, in order to ensure the future yield and quality, the seedling stage should take effective measures to cultivate strong trees and promote the normal differentiation of flower buds.
A large amount of vegetables: late growth prevention against premature aging
A large number of vegetables are mainly cucumber, eggplant, sweet peppers and so on. For these types of vegetables, the focus of late-stage management is to prevent premature aging. For each kind of vegetable, management also has different emphasis. This time, take cucumber and eggplant as an example to focus on the discussion.
One, cucumber
For a large group of cucumbers, it is now in the late growth period. During this period, management should pay attention to four aspects of the work.
1. The fertilizer and water management should keep up. During the interview, many vegetable farmers believed that, in any case, they have entered the late growth stage, the output has decreased, and the number of times of watering and fertilizer application should be reduced. This recognition is wrong. The reporter suggested that whenever the soil is dry, it should be watered. If the soil is too dry, it will affect the absorption of nutrients in the soil by vegetables, resulting in poor fruit growth and reduced yield. In the later stage of vegetable growth, combined with watering, high-nitrogen and potassium-fertilizer can be applied with water to promote the growth of plants and fruits. The water-soluble fertilizer Leba, Apollo 963, Crustin, Toyota A, etc. can be applied with good effects.
2. Leave fruit to be reasonable. The reporter saw in the shed of a lot of vegetable farmers in the street of Sunjiaji, Shouguang City. Almost every cucumber was hung with 3 cucumbers. The whole cucumber leaves had small yellow leaves, weak stalks, and severe flowering. This is obvious. Premature aging phenomenon. However, some vegetable farmers still keep picking up cucumbers, and eventually they will only slowly kill the cucumbers. In response, the reporter suggested that vegetable farmers should reasonably stay in melons. Take cucumbers (dried dried flowers), to see how the plants grow to determine the number of melons. If the plants grow vigorously, 2-3 cucumbers can be left on each plant; if the plants grow weakly, it is recommended to leave only one melon or no melon.
3. Keep enough leaves. The reporter has learned that some vegetable farmers are not correct in the late growth period of vegetables, in order to save time, remove leaves from the leaves, and set off too much. The number of leaves on the plants is too small, and the photosynthetic products produced are reduced, often resulting in deformed and weak fruits. It is recommended to keep at least 12 functional leaves on each cucumber.
4. Prevent leaf diseases in time. After the cucumbers entered the results, vegetable farmers began to loosen their control of pests and diseases, resulting in frequent occurrence of diseases in the late stages of vegetable growth, which significantly affected yield. The diseases that usually occur in this period are bacterial diseases, gray mold, etc. Bacterial diseases can be controlled 600 times or DT 500 times at the time of initial disease. The gray mold can be sprayed + smoked + The method of picking flowers is solved.
Second, eggplant
During the Spring Festival, the price of eggplant is relatively high, and many vegetable farmers have left too many fruits, which has caused the eggplant to stop. So, how can this management ensure the continuous fruit set of eggplant?
1. More flowers, diligent fruit. The reporter has learned that many vegetable farmers see flowers and they will stay. This is the main reason that causes eggplant to break. Because nutrients produced by the plant will give priority to fruit growth, the trees will become weak, leaving too many fruits, and there will be restlessness when it occurs, and it will lead to premature aging. This will only lead to staged high-yield, and it will not be worth the overall benefit. It is recommended that vegetable farmers have more points in order to spend more time, and then to selectively fruit thinning, so as not only to ensure the robust growth of the tree, but also to ensure the fine fruit rate.
2. Pay attention to disease prevention and treatment. In the middle and later stages of eggplant growth, the disease is more serious, especially the leaf diseases, which often have early blight, brown round star disease, bacterial leaf spot disease and so on. Bacterial diseases in the leaves can be treated with 750 times Chlorothalonil and 600 times with Rheinon; brown rot can be treated with chlorothalonil, dicyanoguanidine, etc., while preventing other leaf scabs in eggplant. .
3. Pay attention to nutritional supplements. The reporter learned that because of the excessive amount of fruit left by the farmers during the Spring Festival, the nutritional supplements were not timely, and the eggplants appeared to be deferred. To supplement nutrition in a timely manner, first, fertilize with water; second, spray fertilizer on leaves. With water-fertilizer, it is recommended that the farmer should alternately apply root-fed fertilizers (biological bacteria, etc.) and all-water-soluble fast-acting fertilizers during flushing. Bio-fertilizer can be used to stimulate the antibacterial 968, Dayuan new fast gunners, etc.; full water-soluble quick-acting fertilizer can choose Hao Li Pu, Fang Run and so on. When the eggplant enters the late growth stage, the ability of the root system to absorb nutrients and water is reduced. It is recommended that the vegetable farmer pay attention to foliar fertilizer and it can quickly supplement the nutrients needed for eggplant growth. Foliage can be sprayed with chitin, a full-fledged foliar fertilizer (such as Fangrun, Zhixin, etc.) The concentration of 500-800 times is appropriate.
Spring and Autumn Vegetables: Re-grasping Three Aspects in Early Growth
In previous years, after the spring wolfberry vegetables entered the result period, many vegetable farmers reported that they had more malformed flowers and the quality of the vegetables was poor and could not be sold at high prices. The main reason for the appearance of malformed flowers is the poor flower bud differentiation, and vegetables usually undergo flower bud differentiation from three leaves. In response, the reporter suggested that after the planting of the spring stalk vegetable, we must do enough measures to cultivate strong trees to ensure their normal flower bud differentiation.
The first is to regulate the environment of the greenhouse and promote its rapid seedling growth. After the planting of vegetables, in order to promote rapid easing of seedlings, the temperature in the shed is required to be relatively high. In general, the daytime temperature is controlled at 26-32°C, and the nighttime temperature is controlled at 15-20°C. When the temperature in the shed exceeds 32°C, the bleed outlet on the shed must be opened, but care must be taken to ensure that the temperature changes drastically.
The second is to pay attention to appropriate seedlings. After the vegetables are seedlings, pay attention to fertilizer and water, temperature management, and appropriate seedlings. After easing the seedlings, the air release should be gradually increased to reduce the temperature in the shed, which can be maintained at 25-30°C during the day and 13-15°C at night. In addition, watering and fertilization are generally not performed during this period of time. If the soil in the greenhouse needs watering, it is necessary to pour small water and avoid flooding. Half a month after planting, no fertilizer application is required in principle. When growth is weak, fertilization with antibacterial 968 seedlings and Apollo 963 root-raising element can be applied to promote root development and meet crop growth requirements.
The third is to root and prevent disease. After easing the vegetables, they are eager to cover the mulch. It is necessary to intensify the ploughing work, increase the permeability of the soil and promote the development of the root system. In order to prevent dead trees, it is better to pour root defense root canal with Puerix 600 times liquid and gold mine 800 times after scratching.
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