Pueraria mirifica, also known as Pueraria lobata and Pueraria, is a commonly used Chinese herbal medicine, and its demand is increasing year by year. The key points of its high-yield cultivation techniques are described below. When roots are used as seeds for the annual harvest of Pueraria lobata, the roots with complete growth, no pests, no injuries, and complete individuals are selected. Cut the roots of the plants and spread them in a dry, cool place for 1 to 2 days. If it is dug out in winter, it needs to be sanded by laying a layer of sand with a thickness of 10 cm on the indoor ground, then placing a layer of roots on the sand, and a layer of 15 cm thick sand on the root head. Surrounded by bricks, the river sand should be kept moist during the sand trap period, and should be inspected regularly. If rot is found, it should be removed immediately and it can be taken out in the next year. In areas where there are no frosts or only short-term frosts, the seeds can be kept in situ, and they can be excavated in the second year of planting. The roots of Pueraria radiata, which are selected as plots, are hypertrophic and deep into the soil. We should choose sunny slopes, plains, or sandy lands where the soil is deep, loose and fertile, and well-drained. Before planting, plunge over 30 centimeters or more, and then press row spacing 60 centimeters, plant spacing 50 centimeters, dig deep and 40 centimeters wide, apply 10 kilograms of mixed fertilizer such as manure, turf ash and compost per hole to cover the surface soil and fertilizer. Mix well and plant. After the seedlings cover the grass, it is used to keep the soil in the hole loose and moist to facilitate plant growth. Reasonable fertilization of Pueraria Mirifica is a kind of fat-tolerant plant. Applying basal fertilizer and reasonably applying fertilizer are important measures to increase tuber yield. The top dressing is usually carried out several times. For the first time in March to April, when the seedling height is 30 cm, 3 to 5 kg of livestock waste water is applied to each hole. After that, it is carried out once a month. The type and amount of fertilizer used are the first time. the same. The 4th and 5th sessions were conducted every 45 days. Each hole applied fertilizer, 10 kg of turf ash, 100 g of superphosphate, and 100 g of potassium sulfate. The above fertilizers were mixed and opened in the ditch or open hole next to the plants. Soil cultivation to promote root growth. Picking seedlings and supporting the Pueraria radix has a strong sprouting force, and the pueraria roots planted often tend to grow many shoots. Excessive stem growth can affect the formation or growth of underground roots. Therefore, when the seedlings grow to 15 to 20 centimeters, only 1 to 2 strong seedlings are left per hole, and the others are removed. Pueraria lobata is a kind of windy grassy vine plant. The vines have many long sections, and when the sections touch the soil, it is easy to grow adventitious roots. Therefore, when the seedlings grow to 30 cm in length, bamboo or wood strips should be used to hold the scaffolds. The scaffolds can be fenced or cross-shaped, and the seedlings can be pulled up and wrapped around the scaffolds so that they can be easily managed and beneficial. Photosynthesis and air-transmission can also prevent stems from contacting the soil to produce adventitious roots and consume nutrients. The scaffolding should not be too late, too late vines intertwined, resulting in inconvenient management. When the top of the inflorescence of pueraria lobata grows to 200 cm in length, the top buds should be removed to promote the lengthy leaves and enhance photosynthesis. However, too many branches will cause too many leaves and cover each other, affect the photosynthesis, but also make the stems and leaves consume too much nutrients, is not conducive to root growth. Therefore, excessive and dense foliage should also be properly removed. Between May and July each year, in addition to planting plants, the inflorescence that grows should be removed in batches in time in order to prevent excessive nutrient consumption during flowering, which is conducive to tuber nutrient accumulation and increase yield. If the roots of the plants grow too many roots, the accumulation of nutrients is not concentrated, so that the roots are not large, affecting the yield and quality. Therefore, after the tube root is formed to a diameter of 2 to 3 cm, the soil around the plant should be opened, and 2 to 3 thick tubers should be left. Others are removed so that nutrients are concentrated on 2 to 3 roots. To increase production.
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