Myeong-parameter Continuous Cropping Obstacles Mechanism And Prevention Of A Preliminary Study

Half traditional Chinese Medicine need cultivation, most of them have continuous cropping obstacle. Continuous cropping obstacle, happened in traditional Chinese Medicine cultivation, declines its quality and quantity obviously.Resolving this problem can stimulate the development of traditional Chinese Medicine industry .this thesis study on the reasons that form continuous cropping obstacle, and try finding ways to keep Chuanminshen violaceum cultivation from influences of Continuous cropping obstacle.The observation showed that continuous cropping Chuanminshen violaceum can affect Chuanminshen violaceum plant growth. Analysis of microbial populations and nutrients in soil, entophytes in Chuanminshen violaceum plant, of property's change in continuous cropping soil, radix of C. violaceum and microorganism, showed that with the increase years of continuous cropping, nutrition of soil out of balance, fungi quantity in soil is increased, while the number of bacteria count reduce, and strains fungi number rise and strains bacteria count decrease.Root get more abio-element from soil in continuous cropping,with less coumarin and polysaccharide.Through our study, there are methods that can deal with continuous cropping obstacle, such as: soil sterilize, fertilize general fertilizer and organic fertilizer. Research showed that application of general fertilizer ,micro-fertilize, soil sterilize, soil microbial population recovery, plant growth adjustment all can increased total content of polysaccharide, content of coumarin, average quantity, average medicine material weight. According to this four results, we establish a cultivation synthesis to treat with Chuanminshen violaceum continuous cropping obstacle. The cultivation method is: when transplant the plant, dip its in 13.84g/ml Dingjunling solution, and fertilize the plant with 200Kg/mu microorganism yeast, 30 Kg/mu carbamide, 20 Kg/mw calcium, 50L/mu phosphate.When plant grow up,apply 0.01% zinc sulfate solution 50L/mu, 0.1% boric acid solution 50L/mu to its leaves. And prinkle 100mg/L PP333 solution on its leaves, before the plant protrude its stem.