Panax notoginseng Planting by Burning Continuous Cropping Soil of Panax notoginseng

doi:10.11924/j.issn.1000-6850.casb16030102

Abstract

Abstract: The original production area of Panax notoginseng is Wenshan County Yunnan Province. Panax notoginseng is a typical perennial root plant, and continuous cropping obstacle is serious. To solve the contradiction between supply and demand of Panax notoginseng, we burned continuous cropping soil of Panax notoginseng to planting Panax notoginseng. The effects of the burned soil on yield, quality, harmful microorganisms in soil and autotoxicity were studied. The results showed that: (1) in the burned soil, the contents of available P, available K, available Mg, available Fe, and available Mn were higher, and the other nutrient elements were superior to those of the other two kinds of soil; compared with that of the other two kinds of soil, heavy metal contents in the burned soil were low; (2) in the survey of Panax notoginseng root rot, the incidence in the burned soil was 0% in the second year, and 2.1% in the third years, much lower than those of the other two kinds of soil; (3) the burned soil could improve the yield and total saponins content of Panax notoginseng. Therefore, the burned soil could control plant diseases and insect pests, increase soil fertility, reduce the heavy metal content, and decrease the allelochemicals of continuous cropping.

Gu Jin,Wu Mei,Li Wenchun,Liu Yingpin,Ouyan Yulin and Li Weijiao. Panax notoginseng Planting by Burning Continuous Cropping Soil of Panax notoginseng[J]. Chinese Agricultural Science Bulletin, 2016, 32(22): 158-163.

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