Yuan Hu Cultivation Technology

Yuan Hu, also known as Xuan Hu, Yan Hu Soo, Xuan Hu Soo. Mainly produced in Zhejiang, Hunan, Hubei, Jiangsu and other provinces. Yuan Hu uses underground tubers for medicine, which is warm, bitter and pungent. There are blood circulation, phlegm, pain and other effects. Indications of waist and knee pain, bruises, and irregular menstruation in women. In order to win the high yield of Yuanhu, the following technical points should be grasped in cultivation and management: Choose a site for your work. Yuanhu is suitable for growth in fertile, neutral sandy soils. If planted in "Padda", it should be plowed twice, with a depth of 15-20 centimeters, and a width of 80 centimeters to 100 centimeters. 2. Timely sowing. Yuan Hu is generally sown from late October to early November. The amount of mu for use is 35-40 kg, spacing is 15-20 centimeters, and the distance between plants is 10-15 centimeters. The use of “6404" bacterial fertilizer is 2-4 kg. Kilograms and 50 kg of phosphate fertilizer are mixed evenly and spread on the surface of the seedlings. Then about 1,000 kg of farmyard manure is applied, and then the ditch is cleared so that the ditch can communicate with each other. There is no stagnant water in the field and the loose topsoil is kept. 3. Increase fertilization material. The application of wax fertilizer in the winter will benefit the growth of Yuanhu underground stems. The wax fertilizer is generally applied before the “winter solstice”. 50 mu of cake fertilizer is used per mu and the flour is evenly spread. Then, 1500-2000 kg of farmyard manure is applied and a small amount of soil is covered. After the beginning of spring, when the seedlings have just been planted, 1000-1500 kg of murine urine or 1,000 kg of 1% ammonium sulfate solution will be poured on sunny evenings or on cloudy days. This will promote strong growth on the ground. But this time fertilization should not be excessive, especially nitrogen fertilizer should not be too much, otherwise it will cause the blade to grow too fast, increase pest damage, causing premature aging. 4. Ditch weeding. Before emergence, in case of dry weather, it should be watered in time; in case of rainy weather, drainage should be cleared in time. Usually weeds must be removed when there are weeds on the surface. It is not appropriate to use steamed buns because the roots of Yuanhu are shallow and easy to use. Before emergence, it is also possible to use 50% paracetamol WP 100 grams per acre, add 50-60 kg of water evenly spray, but can not be used after emergence. 5. Prevent pests and diseases. The major pests and diseases of Yuanhu are downy mildew, sclerotia, and ground tigers. For downy mildew and sclerotinia, 40% epidemiological 300 times solution or 65% zeocin zinc 400 times solution can be used for spraying once every 10 to 15 days for a total of 3 to 4 sprayings; 40% Dimethoate Emulsion mixed bait 2 kg, and sprinkled near the plants to kill. 6. Harvest processing. To the "summer season" of the following year, when Yuan Hu's plants have yellow stems and leaves, they can choose sunny excavation, wash the soil on the tubers, put them into hot water at 70°C, and stir continuously to heat the tubers evenly until the cutting section has no white heart. Out, drain the water and dry it to sell.

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