In the spring, the cost of open cultivation of melons in open fields is low, and it is easy to manage. It is a best choice for farmers to increase their wealth in the short term. In order to better provide farmers with reasonable cultivation techniques. Microbial fertilizer expert Golden Baby will combine some high-tech to introduce planting points as follows: 1. Spring melon planting material preparation Melon cultivation requires the preparation of two production materials in advance: organic fertilizer and nursery substrate. Once the base fertilizer is fully applied, the ditch is planted at a distance of 30 cm from the plant, 50 to 100 kg of potassium sulfate compound fertilizer per mu, or 2-3 ton of mature livestock manure or 50 to 10 kg of commercial organic fertilizer, and foliar spraying in the middle and later stages. Potassium dihydrogen phosphate and other foliar fertilizers supplement nutrients, can also balance vegetative growth and reproductive growth, and improve leeward fruit setting. Decomposed fertilizers are not recommended to be cooked by traditional methods. Fertilizers produced by this method are easy to burn. We recommend the use of a commercial starter such as Gembio Fertilizer to decompose the fertilizer. There are two methods to treat the soil needed for land cultivation in greenhouses. One is the sun exposure and the use of pungent sulfuric acid as the insecticidal treatment to kill the residual pests or eggs in the soil; the other is the use of finished soil starters such as Jinbao matrix soil starter fermentation of soil matrix microbial fermentation, this method produces a good soil permeability, does not burn seedlings, and the soil microorganisms will be used as a secondary plant to absorb nutrients beneficial to plant growth. 2. Spring melon planting seedling key Plug tray can be used, 40-hole seedling tray, to ensure the growth and development of seedling nutrition, relatively economic, because the plug for repeated use, should be disinfected in advance, use carbendazim times solution soak 4-5 hours after use, with the matrix can not be installed Too full to ensure consistency of seedlings. The seeds were sterilized by warm soaking. The seeds were placed in a container, and 55-degree warm water of 5 times the seed volume was added while stirring, and the water temperature was maintained for 15 minutes. Continue to soak for 2-4 hours after germination, so that after the dew can be sown. The seedling age in spring is generally 25-35 days. When the cotyledons are intact, the leaves of the true leaves are thick, and the roots are well developed. Without pests and diseases, they can be transplanted. Muskmelon seedlings can be planted when they grow to 3 leaves and 1 heart. Choose fine weather, spray 1 day before planting, and gently handle when transplanting. 3. Spring melon planting transplant seedlings Transplanting in mid-May, the planting density may depend on the variety. After transplanting, pay attention to water management, try to shorten the period of seedlings, and pour the water into the seedlings to keep the ground temperature and supply sufficient water. Cover the film to moisturize and increase the temperature. Water-retaining agent can also be used during transplanting, which can reduce the number of watering and can be poured once more during the whole growth period. 4. Requirements for spring melon planting medicine With the fertilization of soil preparation, a net of 2 to 4 kg or phoxim or abamectin per acre is applied to prevent and control underground pests, nematode diseases, or soil-borne diseases. Virus disease prevention work should be strengthened in the plant management process every 10 months. About one day, the leaves were sprayed with phytopathogenic spirit and protected fungicides for 1 time. Usually less watering. Seize the key period such as expansion of water, at the same time to chase application of quick-release compound fertilizer, in order to ensure adequate nutrition for melon growth, drought timely watering. There are many taboos in melon cultivation. Do not weigh one at a time. Do not use water when the soil is hot, do not use chlorine-containing fertilizers, and do not apply nitrogenous fertilizers during weeding or planting under large trees. Using a sweetening coloring agent in conjunction with the result of falling flower can make sweet melon more sweet. Hope the majority of farmers will pay attention when planting. For details, please contact Beijing Huaxia Kangyuan Technology Co., Ltd. Telephone toll-free hotline). 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How to fertilize management of melon in spring?