玉竹规范化种植技术（The standardized cultivation technology）.docVIP

玉竹规范化种植技术（The standardized cultivation technology） The standardized cultivation technology (a) overview of alias, polygonatum arisanense, polygonatum, Yu can dish bell. Liliaceae Polygonatum Druce. (Mill), its roots are used as medicine. Mild and sweet. It has the effects of Nourishing Yin, clearing heat, promoting fluid production, relieving cough and so on. It is used as tonic medicine in medicine. It is used to treat diseases such as fever, Yin, deficiency, heat, dryness, cough, heart disease, diabetes, tuberculosis, and so on. It can also be used as nutritious food, food and drink. The cultivation of economic benefit is very considerable, is a good way to get rich farmers. The yield is very high, 2 year old Polygonatum a hectare can produce 75000 kilograms of the highest, generally can produce 45000 kg; the highest yield 12O000 kg per hectare in 3 years old can produce 75000 kg of polygonatum, general. (two) plant characteristics Perennial herbs. Underground with bamboo whip fleshy rhizome. According to the report of rhizome morphology is mainly divided into two types: jade bamboo and polygonatum. Jade bamboo commonly known as bamboo root tail, underground stems thin, to small, internode length, wide distribution, poor quality, low consumption value. The big pig excrement commonly known as Polygonatum tail, underground stem stout, larger nodules, internodes longer, more branches, good quality, high edible value. The rhizome containing alkaloids, cardiac glycosides (as Convallaria convallamarin), sugar (glucose and fructose, Arabia sugar), mucus, niacin and vitamin etc.. (three) growth characteristics Likes damp, cool climate, suitable for growing in acidic soil in sand. (four) cultivation techniques 1. seed selection Usually propagated by rhizomes of Polygonatum odoratum, reproduce quickly. The root is expected to grow one year per year, which can be used to judge the growth years. Each node can grow 2~3 branches, and 6~9 branches can be grown in 2 years. Select