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Plastic greenhouse melon cultivation technology

Breeding method. Conventional breeding method is suitable for the new Greenhouse, disease light, easy to Simiao; grafted seedling production method is suitable for cropping, which can effectively prevent blight and other diseases of the occurrence of continuous cropping, stock option Bai Zinan melon is good. Third, the fine soil preparation Shizujifei melon heat, happy light, to choose the terrain Gaozao have irrigation conditions of soil, avoid cropping, crop rotation requirements of 3-5 years, Previous Crops on cereals, maize, sorghum, wheat, rice and other mainly . Previous Crops selected melon harvest in a timely manner after deep plowing l5-20 cm, enough to turn the whole base fertilizer applied rake thin ridge, with deep plowing into the quality of manure applied 4 () 0 () A 7 () 0o kg / acre, potassium type a】 0o NPK 60 kg, ridge by ridge distance】 meters, so high-l5 cm, width 70 cm round ridge. Fourth, colonization of a film, film. Generally planted 10 days before the melon will do a good job pouring foot ridge covered with plastic film after drying of water, land use seals on both sides of ridges to prevent weeds grow above ground. 2, colonization. Usually by the end of February early March to select the temperature rose in the morning of planting, the general strain Greenhouse density of about 2000-2500, good after seedling planting seedlings larvae L will seal. Five fields and Management 1, temperature and humidity management colonization 5-7 days without ventilation, improve Peng Wen, promote Huanmiao, Huanmiao of 28-32 degrees during the day and night, a l4 l6 degrees, promptly after Huanmiao ventilation, roof maintained within 25-30 degrees during the day and night of 15-18 degrees is appropriate. Appropriate relative humidity 50-60%, higher than the incidence of 70% easily. In case of cold, outside air temperature is less than l5 degrees may, when the average temperature of l8 degrees, the night should be frost-free night ventilation. 2, fertilizer and water management. 7 days after planting, water once a l0 Huanmiao water, the water should be poured enough to facilitate the blade and cultivate strong seedling. Fertilizer generally Zuogua second, when most of the melons grow to egg size, pouring a second fertilizer, the fertilizer is a fertilizer and water melon strong expansion, with the water,[link widoczny dla zalogowanych], fertilizer, later to be based on soil moisture, as the plants are growing, amount of fertilizer watering. Should not suddenly dry suddenly wet to crack melon. 3, pruning. (1) hanging vines and pruning. Main vine plant management to take a single shot hanging vine pruning method. 5-7 leaves after planting when the main vine hanging rope with plastic is good, and with the continuous growth of plants, at any time in the hanging line winding, usually the fourth leaf removed all of the following Ziman grow, from the fifth to the ninth true leaf on the left on the Ziman grow melons. Ziman leave a melon of a general leaving 5 to 6. According to Greenhouse height, main vine grow to 25-30 true leaves usually removed when the growing point, in order to promote control of melon seedlings. When the first crop of melons and swelling take to live to a certain extent, the upper node on the birth of the child easy to sit melon Ziman, you can stay in the second crop of melons 3-5. The third crop is generally left on the vine Sun 2-4. (2) Paul melon measures. Mainly used in the county high Zuogua Ling Fountain. This agent is O. Long topiramate 1% efficiency, the use of facilities for agricultural sprayers uniform micro-spray flowers and melon in the tire, the only spray about, not re-spray (which can be added to mark a certain food red), nor super-concentration, bag of one kilogram of water, pay attention to the best melon stem and leaf hand block to prevent the melon stem thicker leaf malformation. (3) Shu melon. After the fertilizer in the swelling melon, according to plant growth, Zuogua how much the 1-2 thinning melon, generally stay 3-4 first harvest, thinning out deformed melon, weak melon, cracked melon. (4) harvest market. Ripe melon harvest the best of nine, when the melon, good color,[link widoczny dla zalogowanych], taste the sweet, rich flavor, high value goods. Six timely pest control l, wilt. (1) the implementation of crop rotation and resistance to wet cultivation. (2) the use of grafted seedlings (3) Drug Prevention. Seedling Jiabao or by spraying seedlings IRRIGATING Celest prevention, early onset of a green Jiabao Carbendazim 500 times or 1500 times or agricultural agent against 120 2 () 0 times IRRIGATING better control effect. 2, powdery mildew. Fuxing 60o0 promptly with early onset times or 1500 times the world of high spray was very ill these agents are used interchangeably, even spray 2-3 times. 3,[link widoczny dla zalogowanych], gummy stem blight. The early stages, easy to spray Najaf Paul Star 8000 times 1000 times or 2500 times Wanxing prevention, post-lesion can be found Wanxing Fuxing 10oo times or 500 times apply lesion treatment. 4, downy mildew. From vine to the fruiting period extended,[link widoczny dla zalogowanych], adhere to the spray Epro l0o0-1200 times, once every 7 days for a l0 can be effective in preventing downy mildew was found after lesion revealed with 700 grams of Pu Lectra times or 800 times spray. Shed when the humidity or the disease re-use the net l80o times faster suppression spray, fast and good treatment. 5, the main pests. Indoor melon shed from the main pests are whiteflies, aphids, leaf miner and so on. Whitefly, leafminer Actara available or spraying cypermethrin, aphids can be imidacloprid or acetamiprid spraying. (Leting County Agricultural Center Yin Li) plastic plastic Dan Tian
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