Modulation nutrient soil. Before preparing greenhouse vegetables, we must prepare a good nutrition soil. The nutritious soil is mainly made up of fertile garden soil, fully cooked ring fertilizers, or composts that have been crushed in advance. Peat soil can also be used conditionally. The above fertilizer was equipped with some fully decomposed human dung, chicken manure, superphosphate, and grass ash, etc. The formula was: 6 soils without planting the same kind of vegetables, 4 decomposed cow dung, and 4 manures per cubic meter. The above-mentioned mixed soil was further added with 20 kg to 25 kg of decomposed manure, 1.5 kg of compound fertilizer, 5 kg of plant ash, 80 % of 50% carbendazim powder, 2 kg of superphosphate, sieved, and covered with plastic. Film, stuffy for a while to use. Prepare a seedbed. Using nutritious clods for seedlings or sowing seedlings, the well-matched nutritious soil can be spread directly on the seedbeds. The specific method is to excavate the original soil in the seedbed for about 10 centimeters and soak the bottom in a few days before sowing. , Fill in a 12 cm thick nutritious and practical nutrition level, so that nutrition up to 10 cm thick, melons, legumes and vegetables in the nursery process generally do not separate seedlings, it is appropriate to use nutritional seedlings. The nutritious soil can be loaded into the nutrient bowl, and then the nutrients can be tightly packed on the nursery bed under the excavation. The gap between the pots should be sealed with nutritious soil to prevent running after sowing. High temperature stuffy shed. High-temperature stuffy shed with pharmaceutical disinfection can effectively kill a variety of germs, for the prevention and control of various pests and diseases of vegetables is of great significance. The commonly used method is to spray 10% more dust on the floor of the shed for about 15 days before the use of the greenhouse, 1 kilogram per mu, then deepen the soil and close the greenhouse. And apply 45% chlorothalonil smoke agent, 1 kilogram per acre, smoked, continue to close the greenhouse, the use of sunlight to form a high temperature within the shed, drowsy shed 7 days - 10 days, available 50% carbendazim wettability Powder 800 times liquid is sprayed on skeletons (such as columns, arches), floors, and walls in the greenhouse. Fertilize for ridges. In the cultivation of greenhouse vegetables, the appropriate amount of organic fertilizer is beneficial to the high yield and quality of vegetable crops. However, the applied organic fertilizer must be sufficiently cooked. Otherwise, the phenomenon of burning seedlings can easily occur. Therefore, to prepare the organic fertilizer in advance and to fully decompose it, the usual practice is: to apply organic fertilizers such as ring dung, chicken dung, and earth miscellaneous fertilizers that are to be applied to the greenhouse, 50 days ahead of time - 60 days to add water and humidity. , Stack up, cover the plastic film, make it fully fermented, cooked after application. In the cold season, it is best to do it in a greenhouse or other high-temperature place. The rotted fertilizer can be spread in the greenhouse, then deep-dip, leveled and ridged. Fruits and vegetables grown in large greenhouses, such as cucumbers and peppers, are generally grown on ridges. For cultivation of vegetables with higher density, such as celery and rapeseed, they are usually grown on cultivation.
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