The high temperature in September has passed and the weather has turned cold. There are two solar terms, “white dew†and “equinox,†and vegetable production has entered a busy season. This period is the production of autumn vegetables, harvesting and planting of winter and spring vegetables. This month, according to the weather conditions, timely sowing and cultivation of autumn vegetables should be done. First, pay close attention to the weather and strengthen the management of vegetable production in thunderstorms. 1. This month, natural disasters such as typhoon (see July), high temperature and drought (see August), and heavy rains may still occur frequently. Therefore, corresponding measures must be taken in production to strengthen post-disaster management work and minimize disaster losses. At the same time, most of the winter vegetables began to sow this month, especially in the later part of this month. Vegetable sowing has entered a busy period. Therefore, it is particularly necessary to strengthen the anti-disaster measures for vegetable seedlings during production. 2, this month, with the emergence of thunderstorms, hail weather may occur. Relief disasters can cause great damage to vegetable production. Therefore, it is crucial to strengthen post-disaster agronomic practices: (1) If the loss is serious and causes an unacceptable loss, it is necessary to seize the time to grab the seed, and it is possible to broadcast leafy vegetables such as long kidney beans, cucumber or vegetables, lettuce, etc. according to the situation. (2) Tomatoes, cowpeas, and cucumbers with a loss of about 50% can use lateral branches to grow; for cabbages and lettuces without branching ability, they can be planted with elevated vegetables such as cowpeas and cucumbers. (3) Foliage spray fertilizer was adopted to reduce the degree of damage, and photosynthetic capacity was increased, stress resistance was enhanced, and foliar fertilizer was used. Once every 7 days, spraying was repeated three times. (4) Remove the bad branches and leaves in the field in time to prevent the occurrence of diseases caused by decay. (5) After the vegetables were hit by a locust plague, a large number of wounds were caused, and the resistance was reduced, and they were easily invaded by germs. Therefore, the spraying should be promptly controlled. Second, vegetable farming 1, sowing, nursery This month is the greenhouse cultivation of eggplant, tomato, pepper breeding nursery appropriate period, this period of high temperature, rain, rapid emergence, rapid seedling growth, but prone to leggy, high temperature and heavy rain can also easily cause injury. In order to cultivate homogeneous and strong seedlings, plastic greenhouse facilities should be used as far as possible. Remove the skirt film, keep the film, ventilation, cooling and shelter from the rain. When it is sunny and high temperatures, the shade net is covered from 10 am to 3 pm to prevent high temperature injury. When the seedlings grow to 2 leaves and 1 heart, they are transplanted in time. Autumn vegetables, autumn celery, autumn potatoes, radish, spinach, garland chrysanthemum, stem lettuce, etc. continue to sow or seed sowing. Must choose a good variety, pay close attention to soil preparation, good quality. Such as autumn sowing fresh peas planted in the middle and early months of this month, you can pick at the beginning of November listing, the species should be selected pea 6, peas 4 and other fine varieties; autumn potatoes before the end of September sowing, the species can choose Dongnong 303; Green garlic (seedlings) sown in August until early September. In addition, fast-growing vegetables, such as young vegetables and spinach, can be sown in batches in batches to ensure the supply of off-season vegetable markets. 2, colonization Can continue to carry cauliflower, broccoli, cabbage, celery and other colonization. Select suitable plots and determine suitable row spacing for different crops. Transplant them on cloudy days or after 3:00 pm and pour enough root water. When necessary, use shade nets to cover 2-3 days to ensure survival and improve the quality of colonization. In addition, exposed winter vegetables such as mustard, pickled cabbage (Xue Li), etc., to be timely preparation of seedbeds, in the end of September to early October sowing seedlings. 3, field management In the fall of this month, vegetables will enter a period of strong nutrient growth and flowering, and they must do a good job of cultivation and management. Sheds must pay attention to: (1) Ventilation, cooling and shelter from rain. The temperature of this month is higher than usual, and the greenhouse should be rolled up around the skirt film to cool down the air, cover the film before the storm, and open it in time after the rain. (2) Strengthen fertilizer and water management. The high temperature and low rainfall during the month, the dry soil in the greenhouse, must be watered in time to keep the soil moist, as far as possible the use of drip irrigation. (3) To protect the flowers, use plant growth regulators to protect the flowers, reduce the use of the appropriate concentration, after 4 pm to spend. In the greenhouse, the watermelon is generally artificially pollinated. Vegetables in open field should be cultivated and managed in accordance with the technical requirements for the production of non-polluted vegetables according to the growing period of different vegetables. Such as time and seedlings, cultivator weeding, scaffolding and introduction of vines, timely pruning, removal of old (yellow) leaf disease leaves, reasonable fertilizer, timely drainage after the rain. Early maturing cauliflower, early autumn cabbage, and early-maturing Chinese cabbage, etc., must be cultivated, weeded and thin-fertilized in a timely manner, and the prevention and control of pests and diseases should be carried out. Autumn soybeans and autumn peanuts are in flowering and podging stage. The growth potential difference should be combined with the application of phosphorus and potassium fertilizers, and nitrogen fertilizer should be supplemented appropriately. Potassium dihydrogen phosphate and borax should be applied outside the roots to increase the fullness of the fruit. Early autumn watermelons have been inflated, focusing on good management of fertilizers and water. 4, harvest The vegetables that can be harvested this month are: Chinese cabbage, leeks, autumn beans, edamame, radish, Chinese wolfberry, melon, gourd, etc., which need to be harvested in time to enrich the market supply of off-season vegetables. 5. Pest control The current vegetable is cruciferous, and pests mainly include Spodoptera litura, Spodoptera exigua, Plutella xylostella and Pieris rapae. Can be used to dilute, or anti-Taibao Jiamiman, or farmland music to prevent and control; the disease is mainly cauliflower black spot, cabbage, Chinese cabbage white spot, etc., can be used for Senzin Zinc, chlorothalonil or Xinwansheng and other agents Prevention and control; cabbage black rot, cabbage soft rot can be used for agricultural streptomycin control. Seedlings such as solanes and fruit are mainly used for damping-off disease. In addition to seed dressing with zein, they can be regularly treated with thiophanate or chlorothalonil. Kidney beans should pay attention to the control of bean pods, spider mites, aphids, Liriomyza sativae and so on. The focus is on prevention and control of locusts. The use of pesticides should be strictly in accordance with the relevant requirements for the production of pollution-free vegetables. In addition to the prohibition of the use of high-toxicity and high-residue pesticides, the safety interval of various pesticides must be strictly controlled before harvesting. 6, do a good job in greenhouse vegetable disinfection before sowing Greenhouse vegetables will generally be planted after October. In order to reduce the incidence of vegetable pests and diseases in greenhouses, disinfection of greenhouses should begin in September.
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