Through analyzing the soil organic matters(N,P,K) of farmland cultivated with different years of Panax ginseng,this paper studied the changes in soil nutrients of farmland with different vertical depths and cultivatio...Through analyzing the soil organic matters(N,P,K) of farmland cultivated with different years of Panax ginseng,this paper studied the changes in soil nutrients of farmland with different vertical depths and cultivation years of P.ginseng.Results indicated that the vertical structure was obvious in soil nutrients of farmland with different cultivation years of P.ginseng;in most cases,the soil nutrient content gradually declined with the fibrous roots of P.ginseng spreading downward;the soil electrical conductivity(EC),total nitrogen(TN),total phosphorus(TP),total potassium(TK),available nitrogen,available phosphorus were manifested as surface layer > root layer > bottom layer,while the available potassium was manifested as surface soil and bottom layer > root layer;the soil pH changed in the range of 5.69-6.22,suitable for growth of P.ginseng.It is expected to provide theoretical basis for improvement of soil nutrients of farmland with cultivation of P.ginseng.展开更多
通过开展人参全球范围内产地生态适宜性分析及农田栽培选地规范制定,为农田栽参合理规划生产布局及规范化种植提供科学依据。采用中国中医科学院中药研究所自主研发的"药用植物全球产地生态适宜性区划信息系统"(global geogra...通过开展人参全球范围内产地生态适宜性分析及农田栽培选地规范制定,为农田栽参合理规划生产布局及规范化种植提供科学依据。采用中国中医科学院中药研究所自主研发的"药用植物全球产地生态适宜性区划信息系统"(global geographic information system for medicinal plant,GMPGIS),以本草文献记载的道地产区、野生分布区以及当前主产区271个样点的生态环境因子值为计算依据,经过生态相似性分析获得人参全球范围内的最佳生态适宜产区和潜在种植区,主要包括美国、加拿大、中国、俄罗斯、日本、朝鲜、法国、意大利、乌克兰、韩国等国家。其中,人参在中国的生态适宜产区主要包括黑龙江、吉林、辽宁、陕西、甘肃、湖北、四川、内蒙古、山东和山西等省区。另外,在产地生态适宜性分析结果和项目组多年农田栽参研究数据基础上,结合文献及对部分种植基地的调研结果,初步制订了农田栽参选地规范。该研究为人参农田规模化种植、引种栽培和保护抚育提供科学依据,农田栽参选地规范为高品质人参的科学生产奠定基础。展开更多
基金Supported by Program of Jinlin Province Science and Technology Department(20160308010YY)
文摘Through analyzing the soil organic matters(N,P,K) of farmland cultivated with different years of Panax ginseng,this paper studied the changes in soil nutrients of farmland with different vertical depths and cultivation years of P.ginseng.Results indicated that the vertical structure was obvious in soil nutrients of farmland with different cultivation years of P.ginseng;in most cases,the soil nutrient content gradually declined with the fibrous roots of P.ginseng spreading downward;the soil electrical conductivity(EC),total nitrogen(TN),total phosphorus(TP),total potassium(TK),available nitrogen,available phosphorus were manifested as surface layer > root layer > bottom layer,while the available potassium was manifested as surface soil and bottom layer > root layer;the soil pH changed in the range of 5.69-6.22,suitable for growth of P.ginseng.It is expected to provide theoretical basis for improvement of soil nutrients of farmland with cultivation of P.ginseng.
文摘通过开展人参全球范围内产地生态适宜性分析及农田栽培选地规范制定,为农田栽参合理规划生产布局及规范化种植提供科学依据。采用中国中医科学院中药研究所自主研发的"药用植物全球产地生态适宜性区划信息系统"(global geographic information system for medicinal plant,GMPGIS),以本草文献记载的道地产区、野生分布区以及当前主产区271个样点的生态环境因子值为计算依据,经过生态相似性分析获得人参全球范围内的最佳生态适宜产区和潜在种植区,主要包括美国、加拿大、中国、俄罗斯、日本、朝鲜、法国、意大利、乌克兰、韩国等国家。其中,人参在中国的生态适宜产区主要包括黑龙江、吉林、辽宁、陕西、甘肃、湖北、四川、内蒙古、山东和山西等省区。另外,在产地生态适宜性分析结果和项目组多年农田栽参研究数据基础上,结合文献及对部分种植基地的调研结果,初步制订了农田栽参选地规范。该研究为人参农田规模化种植、引种栽培和保护抚育提供科学依据,农田栽参选地规范为高品质人参的科学生产奠定基础。
