How is the Corydalis? Chinese medicine Yanhusuo pollution-free planting technology
How is the Chinese medicine Yanhusuo planted? Yanhusuo is also known as Yuanhu and Xuanhu, and is a poppy family of the genus Papaveraceae. Corydalis is a commonly used traditional Chinese medicine for regulating qi and relieving pain. It is used for tuberculosis for medicinal purposes and has functions such as promoting blood circulation and dissipating fatigue. For the treatment of confidant and backache pain, bruises, irregular menstruation, postpartum abdominal pain and other symptoms. Let's take a look at the pollution-free planting technology of Corydalis. 1. Growth habits Corydalis is a perennial herb that prefers a warm climate and a sunny, humid environment. Avoid drought. The planting plots are preferably loose, fertile, well-drained neutral or slightly acidic sandy loam. Soils with heavy weight and low water accumulation are not suitable for planting. 2, land preparation and land preparation It is advisable to choose a sandy loam with leeward wind, loose soil and rich humus. After selecting the ground, deep-turn the soil 30Cm, combined with the land preparation, per mu (667m2, the same below), apply manure 2000kg, cake fertilizer 200kg, turn into the soil as the base fertilizer, level the fine, and make a 1.3m wide sorghum, 畦The width of the ditch is 40cm, and the drainage ditch is opened around. 3, planting When harvesting the Corydalis, choose a medium-sized, tidy, spheroidal, 1.5cm-diameter, yellow-yellow, disease-free, and scar-free tubers to be planted in the late September. When planting, on the whole surface, the groove is 20cm in width, 10cm in width, and 8~10cm in depth. The planting head is arranged in the ditch according to the plant spacing of 7cm, and the two rows are staggered in the ditch. Fertile soil to full ditch. 4. Field management Corydalis is a shallow root crop and therefore should not be cultivated. When the height of the seedlings is 3cm, 1,500kg of manure water for man-made animals will be applied per mu, and the grass will be pulled out in time. 1 In late January, apply a layer of cake fertilizer on the noodles, apply 50kg per acre, and then cover a layer of decomposed manure, apply 2000kg per acre, and cover the soil after fertilization. In case of rain, drain the ditch in time and irrigate in drought. In addition to the seeding area, when the flower buds appear in the Corydalis, they are removed in time to concentrate the nutrients on the roots and increase the yield. 5, pest control 5.1 Downy mildew The leaves first develop, and the brown irregular spots are produced at the beginning. When the humidity is high, the white mold layer is produced on the back of the leaves, and the stems and leaves are affected, and the browns are quickly dead and the plants die. Control methods: First, the implementation of water and drought rotation; Second, reasonable close planting, improve ventilation and light transmission conditions; Third, in the early stage of the disease, with 25% of toxic mildew WP 600~800 times liquid spray control, every 10 days 1 time, even spray 3 times. 5.2 Pseudomonas nucleus First, a yellow-brown or dark-brown prismatic lesion is produced at the base of the stem of the near topsoil. When the humidity is high, the stem base is soft and rot, and the plant is lodging. The leaves are damaged, and the initial watery ulcerated oval lesions turn blue-brown. When the disease is serious, the pieces die, and the soil surface is covered with white cotton-like hyphae and black rat fecal sclerotia of different sizes. Control methods: First, the implementation of water and drought rotation; Second, timely elimination of field water in the rain after rain, reduce the humidity in the field; Third, the diseased plants were found, promptly eradicated, and the diseased area was spread with lime powder to control the spread; Fourth, in the early stage of the disease, 6 5 % of the Dyson zinc wettable powder was sprayed with 500 times of liquid spray. 5.3 rust Round or irregular green lesions appear in the early stage of the diseased leaves, with slight depression. The leaf back lesions are slightly raised, and there is a rusty yellow convex glue, which ruptures and emits a lot of rust yellow powder. Control methods: First, reduce the humidity in the field; Second, in the early stage of the disease, timely use 7 7 % of the rust sodium 300 times solution spray control. 6, harvest processing The local stems and leaves are harvested after being withered. When collecting and digging, first shallow ploughing, harvesting while turning over the soil, and then deeping it 1 time after harvesting, smashing the tubers and transporting them back to the room to spread and dry. During processing, the soil is washed, packed into baskets according to size, placed in running water, and the skin is cleaned by hand, washed and drained. Then, the tuber is poured into boiling water and boiled until the cross section of the tuber is yellow and white, and the fish is spread out on a bamboo mat to be dried. After 4 to 5 days of drying, the room is "sweating", so that the internal water is extravasated, and then dried to the whole dry, ready-made goods. The quality is large, full, hard, and the color of the section is yellow.
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