Effects Of Formula Fertilization On The Growth,Yield,Quality And Heavy Metal Content Of Alisma Orientale(Sam.)Juzep

With the vigorous development of Chinese medicine industry,the resources of traditional Chinese medicine have been well developed and utilized.Alisma orientale?Sam.?juzep is an authentic medicinal material produced in Sichuan and has been grown in large scale in Sichuan.In this study,Alisma orientale?Sam.?juzep was used as the research material,and the effects of different fertilizer ratios on its growth,development,yield,quality,and heavy metal content were studied.Through quadratic orthogonal rotation combination design,grey relational degree and DTOPSIS method,the best fertilization ratio was obtained,which provided a theoretical basis for standardized production of Alisma orientale?Sam.?juzep The effects of formula fertilization on the impact of Alisma orientale?Sam.?juzep Alias were as follows:1.Effcet of Formula Fertilization on the Growth of Alisma orientale?Sam.?juzep.Formula fertilization can promote the growth of Alisma orientale?Sam.?juzep.The number of leaves,plant height,fibrous root length,tuber height,and diameter length of Alisma orientale?Sam.?juzep can be increased by increasing the fertilizer application rate in a certain range The specific fertilization schemes were as follows:The amount of Zn fertilizer was 12.548¹7.453 kg/hm²,the amount of B fertilizer was 21.850²5.650kg/hm²,the amount of Mo fertilizer was 0.375⁰.675 kg/hm²,the amount of N fertilizer was 315.611³70.500 kg/hm²,the amount of P fertilizer was169.944¹99.500 kg/hm²,and the amount of K fertilizer was 206.361²42.250 kg/hm².2.Effects of Formula Fertilization on the Yield of Alisma orientale?Sam.?juzepThe formula fertilization can effectively promote the yield of Alisma orientale?Sam.?juzep.The contribution rate of each factor to the yield was:NPK>B>Zn>Mo,the yield can be increased maekedly by application of NPK fertilizer.According to the marginal effect analysis,the increase rate decreases with the increase of each factor range,and the decrease rate was as follows:Zn>NPK>B>Mo.When low fertilizer amount was used,the increase of Zn fertilizer can increase the yield of Alisma orientale?Sam.?juzep;When high fertilizer was used,increasing the ratio of NPK fertilizer can increase the yield of Alisma orientale?Sam.?juzep.Specific fertilization schemes were as follows:The amount of Zn fertilizer was 12.548¹7.453kg/hm²,the amount of B fertilizer was 21.850²5.650 kg/hm²,the amount of Mo fertilizer was 0.375⁰.675 kg/hm²,the amount of N fertilizer was 315.611³70.500 kg/hm²,the amount of P fertilizer was 169.944¹99.500 kg/hm²,and the amount of K fertilizer was206.361²42.250 kg/hm².3.Effects of Formula Fertilization on the quality of Alisma orientale?Sam.?juzepFormula fertilization can reduce total ash and acid insoluble ash in Alisma orientale?Sam.?juzep.With the increase of fertilizer application,the total ash content in decreased first and then the maximum.All factors contribute to the total ash contribution rate was:NPK>Zn>B>Mo.With the increase of Zn,B and NPK fertilizer,the acid insoluble ash in the azoic acid decreased first and then increased.The contribution rate of each factor to acid insoluble ash was:NPK>Zn>B>Mo.To sum up,the appropriate increase of molybdenum fertilizer and the reduction of NPK fertilizer can reduce the content of total ash and acid insoluble ash in the Alisma orientale?Sam.?juzep.The specific fertilization scheme was as follow:Zn fertilizer 15²2.5 kg/hm2,B fertilizer 19²8.5kg/hm²,Mo fertilizer 0.15kg/hm^2,nitrogen fertilizer 260 kg/hm²,phosphate fertilizer140kg/hm²,potash fertilizer 170 kg/hm².The formula fertilization can improve the content of alcohol soluble extract in Alisma orientale?Sam.?juzep.With the increase of the amount of fertilizer,the alcohol soluble extract decreased and then increased,and the content appeared to be the maximum.The contribution rate of alcohol-soluble extract was as follow:NPK>Mo>B>Zn.To sum up,it is helpful to increase the amount of Zn fertilizer and reduce the amount of zinc fertilizerThe increase of Zn fertilizer and reduce the amount of zinc fertilizer can promote the yield of alcohol soluble.The specific fertilization scheme was as follow:30 kg/hm² of zinc fertilizer,38 kg/hm² of borax fertilizer,0.3kg/hm² of molybdenum fertilizer,520kg/hm² of nitrogen fertilizer,280 kg/hm² of phosphate fertilizer and 340 kg/hm² of potash fertilizer.The formula fertilization can improve the content of the 23-acetyl Alisol B.As the amount of fertilizer increased,the content of the 23-acetyl Alisol B increased and then decreased.The contribution rate of each factor to the B content of the 23-acetyl Alisol B was:Mo>B>Zn>NPK>.To sum up,it is obvious that the appropriate increase of molybdenum fertilizer is beneficial to the content of 23-acetyl Alisol B.The specific fertilization scheme is as follows:zinc fertilizer 17.685²0.2725 kg/hm²,boron fertilizer24.89²8.0345 kg/hm²,molybdenum fertilizer 0.1923⁰.27035 kg/hm²,nitrogen fertilizer309.92³55.94 kg/hm²,phosphate fertilizer 166.88¹91.66 kg/hm²,potash fertilizer202.64²32.73 kg/hm².4.Effects of Formula Fertilization on the accumulation of heavy metals in Alisma orientale?Sam.?juzepFormula fertilization had effects on the heavy metal content in Alisma orientale?Sam.?juzep.Through optimal fertilizers application,the content of heavy metals in Alisma orientale?Sam.?juzep was obviously changed.it is indicated that the heavy metals in Alisma orientale?Sam.?juzep the are sensitive to fertilizers,and the optimal fertilizers can reduce the heavy metal content in the Alisma orientale?Sam.?juzep.The specific fertilizer application range were as follows:the amount of zinc fertilizer is 15²2.5kg/hm²,the amount of borax fertilizer is 19²8.5 kg/hm²,the amount of molybdenum fertilizer is0.15⁰.225 kg/hm²,the application amount of nitrogen fertilizer is 260³90 kg/hm²,the application amount of phosphate fertilizer is 140²10 kg/hm²,and the fertilizer application amount is 170²55 kg/hm².5.The establishment of standardized fertilizer practicesThrough the single factor analysis,grey correlation degree and DTOPSIS method,comprehensive analysis was carried out on the fertilization effect between the indexes,get ideal fertilizer solution for:The application amount of Zn fertilizer was 15kg/hm²,the amount of borax fertilizer was 19 kg/hm²,the application amount of Mo fertilizer was0.15kg/hm²,the application amount of N fertilizer was 520 kg/hm²,the application amount of P fertilizer was 280kg/hm²,and the amount of K fertilizer was 340 kg/hm².