The latest course on planting techniques and methods of muskmelon in greenhouse
Muskmelon is an annual trailing herb of Cucurbitaceae, also known as cantaloupe, cantaloupe, cantaloupe and so on. It is widely cultivated in all parts of China, and also widely cultivated in temperate to tropical regions of the world. The fruit is an important fruit in midsummer. Because of its long cultivation, it is of great economic value. Let's take a look at the greenhouse planting technology of muskmelon.
Variety selection
Muskmelon varieties planted in greenhouse should be mainly early-maturing, medium-maturing and high-quality varieties, supplemented by an appropriate number of mid-late-maturing varieties. At present, the main varieties used in greenhouse production are Elizabeth, silver honey seed, net grain incense, as well as some suitable early-maturing and medium-maturing varieties at home and abroad.
Soaking seeds to accelerate germination
Muskmelon seeds need to be carefully selected, dry for 2 days before budding, then soak the seeds in about 50 ℃ of warm water for about 15 minutes, and pay attention to stirring, the water temperature is naturally cooled, and then soaked for 5 hours, then removed and washed, and then sterilized with medicine solution. The commonly used drugs are soaked in 0.1% potassium permanganate for 2 hours, 500-fold solution of 70% methyl topiramate or 1000-fold solution of 50% carbendazim for half an hour. Wash the soaked seeds with clean water once, put them in a container covered with a wet towel and place them in a thermostat or on a hot Kang for sprouting. The temperature is controlled at 30 ℃, and the buds can come out in 24 hours. When the buds were exposed, the temperature dropped to about 25 ℃ and dropped to 13-20 ℃ before sowing to prevent the high temperature from overgrowing. Pay attention to fertilizer and water management at seedling stage, generally not suitable for pouring water.
Seedling stage management
After sowing, the temperature of melon seeds was kept at 28: 32 ℃ in daytime and 18: 20 ℃ at night, which could not be lower than 13 ℃. After the seedlings came out, the temperature was kept at 20: 26 ℃ in the daytime and 10: 13 ℃ at night. After the true leaves are flattened, when the true leaves are flattened at 22: 30 ℃ in the daytime, 13: 20 ℃ at night, and 2: 3 true leaves in the daytime, the seedlings should be kept at 18: 20 ℃ in the daytime, 10: 15 ℃ at night, the seedling age is about 30 days, and the seedlings are planted at the stage of 4-5 leaves.
Apply sufficient base fertilizer
Add mature farm manure 3500-4000kg per mu, calcium superphosphate 60kg, ammonium bicarbonate 40kg, cake fertilizer 100kg, apply 2/3 basic fertilizer, pour enough bottom water and turn 25cm to 30cm, finally rake fine and level it. Sprinkle the remaining 1/3 base fertilizer on the planting line, spread by 0.4m, and then mix well with the soil.
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The latest course of planting techniques and methods of watermelon in greenhouse
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