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Cold-frozen vegetable management heavy insulation
January's low temperature and rainy weather are not conducive to the growth of vegetable crops. This period of melon vegetable production should focus on insulation and cold-proofing, and do a good job of spring and summer vegetable nursery and cultivation and management of greenhouse vegetables, as follows: First, vegetable nursery and planting January is the spring and summer greenhouse planting cucumber, melon, Japanese pumpkin The appropriate dates for sowing of the varieties of green beans, green beans, watermelons, melons, May vegetables, canola, Jingfeng cabbage, late spring lettuce, and leeks are needed. Farmers must seize the time and use greenhouses for planting seedlings in due course. In order to ensure that seeds of seedlings grow quickly, Miao Qi, Miao Zhuang, it is best to use greenhouses, sheds and other multi-layer insulation cover equipment and a hotbed nursery with electric heating wire. When the two cotyledons of the melon vegetables are flat and turn green, when the eggplant vegetables are two-leaf and one-hearted, the young seedlings will be transplanted in plastic nutrients or nutritious soil blocks in time. Immediately after transplanting, small plastic sheds should be covered and suffocated for 5-6 days. According to the weather and seedling growth status, do a good job in seedbed temperature and humidity management. At 8-9 a.m. during the day, the coverings on plastic sheds were removed and the seedlings were exposed to light and ventilation to reduce the humidity of the seedbeds. At 4-5 pm, all covers on the small sheds were covered. Watering in the seedbed should be strictly controlled. When the top soil of the seedbed is white, warm water can be poured at noon. Greenhouse spring tomatoes can be planted in the middle and late January; April slow, May slow vegetables and oiled wheat can continue to be planted in the greenhouse. Seedling root can be used in the seedling seedlings seedlings with 50% carbendazim wettable powder 100 grams, mixed with 25 kg of soil culture application control; damping-off disease can be used 60% antiviral 500 times or 72% Dupont 600 times liquid spray control. Second, greenhouses and vegetables management in January greenhouse vegetables are mainly two categories: one is the harvest has been entered in the greenhouse planting winter eggplant vegetables; the other is in December or January colonization of the greenhouse planted in spring and summer Vegetables. Its cultivation and management measures mainly include the management of greenhouse temperature and humidity, prevention of cold damage and frost damage, preservation of fruits, timely recovery of fertilized water, and prevention of pests and diseases. Freezing manure can be used to keep warm vegetables. Warm farmhouse manure such as swine manure or earth miscellaneous fertilizer is cultivated in the roots of crops to increase the soil temperature in the roots by 2-3°C. In case of rain during the day, cover should be removed in time to prevent the beddings of grasshoppers and grasshoppers from being affected by the rain. However, care must be taken not to allow rain to splash into the chamber; during the night, rain should be taken care of after the rain. Things. In the event of snowfall, cover the mane grasshoppers, cover the grasshoppers, remove the snow immediately after the snow stops, take snowfalls at night, and sweep the snow after the snow stops in the morning, keep the cover dry, and remove the cover in time. Seedlings see light. When the snow suddenly turns cloudy after continuous cloudy weather, pay attention to the change of the seedlings after uncovering the cover, find the wilt, immediately cover it with a bristle, recover it, and then cover it again. Days can be transferred to normal management; For plants with slow fruit enlargement, weak growth, empty fruit, malformed fruit, lobular disease, and zucchini virus disease, Yunda 120 and foliar fertilizers such as Zinc-Tarling, Cadarin, and Methanephile can be used in combination with pesticides. To promote plant growth. Shed planted spring radish suitable sowing: Spring radish is cultivated in a plastic greenhouse or middle shed, can be sown in January, harvested from March to early April. Shetland spring radish should use spring radish varieties with good quality, high yield and no bolting in early spring, such as Bai Yuchun, Chunguang No. 2, Chunniu Girl, and Tian Emei. Shed planted spring radish must be covered with mulching: One method is to lay a thin film on the surface of the seedling after sowing. When the seedlings are unearthed, the seedlings are aligned, and the blade is marked “10†to break the mulching; another method It is to make soil preparations, thin flat surfaces, mulching, and then planting seeds on the mulch. In addition, after the spring radish sowing without cultivating, in order to prevent the radish root injury. Timber-planting, white and timely scaffolding coverage: Double-season white in the spring is suitable for plastic greenhouses, sheds, small sheds cover cultivation. Before and after mid-January, the white plants in the upper part of the land were wilted and plastic sheds or sheds were built. The film around the shed was firmly sealed with mud. When the temperature in the booth reached 30°C, the film was ventilated. Third, the spring potato timely planting: The general spring potato sowing period from January to early February. When planting spring potatoes, attention should be paid to: selecting good varieties, such as Dongnong 303; placing potatoes at a temperature of 15-18°C and humidity of 60-70%, and when the shoots grow to 1-2 cm, they will be planted. Cut potatoes, each seed potato left 1-2 strong buds, cut the surface coated with plant ash, dried after sowing; the use of plastic film cover cultivation, can make potato early maturing and high yield. Generally, after the potatoes are sown, the mulch is laid. When the seedlings are unearthed, the seedlings must be broken and the seedlings must be broken.