Article(id=1239152907518538219, tenantId=1146029695717560320, journalId=1238822807409311748, issueId=1239152904658022886, articleNumber=null, orderNo=null, doi=10.11686/cyxb2020061, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1582128000000, receivedDateStr=2020-02-20, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773366675499, onlineDateStr=2026-03-13, pubDate=1605801600000, pubDateStr=2020-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773366675499, onlineIssueDateStr=2026-03-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773366675499, creator=13701087609, updateTime=1773366675499, updator=13701087609, issue=Issue{id=1239152904658022886, tenantId=1146029695717560320, journalId=1238822807409311748, year='2020', volume='29', issue='11', pageStart='1', pageEnd='204', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773366674818, creator=13701087609, updateTime=1773366910226, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1239153892072673913, tenantId=1146029695717560320, journalId=1238822807409311748, issueId=1239152904658022886, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1239153892072673914, tenantId=1146029695717560320, journalId=1238822807409311748, issueId=1239152904658022886, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=33, endPage=45, ext={EN=ArticleExt(id=1239152909359837700, articleId=1239152907518538219, tenantId=1146029695717560320, journalId=1238822807409311748, language=EN, title=An evaluation of soil nutrient status and balance in Meitan tea plantations, columnId=0, journalTitle=Acta Prataculturae Sinica, columnName=, runingTitle=null, highlight=null, articleAbstract=
This research investigated the soil nutrient status and balance in Meitan tea plantations. Six indicators were selected (pH, organic matter, total nitrogen, alkaline nitrogen, available phosphorus and available potassium) and data on these collected for six categories of tea plantation. The data were evaluated by principal component analysis. It was found that: 1) The soil pH of Meitan tea plantations ranged from 3.73 to 7.26, with an average value of 5.01. In 61.11% of the surveyed tea plantations, the soil tests satisfied the standard set for high quality tea plantations. Hence, the soil pH of Meitan tea plantations was generally suitable, although soil in 16.67% of the tea plantations had an acidification trend. 2) The contents of organic matter, total nitrogen, alkaline nitrogen, available phosphorus and available potassium in Meitan tea plantations were in most cases rich, with average values of 22.84 g·kg-1, 1.43 g·kg-1, 124.50 mg·kg-1, 44.16 mg·kg-1 and 135.61 mg·kg-1, respectively. For the same list of tests, soil in 61.11%, 70.37%, 61.11%, 55.56% and 59.26%, respectively, of the tea plantations met the standard for high quality tea plantations, but the status for individual nutrients differed between plantations. 3) The integrated fertility index (IFI) range for the surveyed Meitan tea plantations was 0.179-0.989, with an average value of 0.683. In 51.85% of the tea plantations soil was at level Ⅰ status, and in 31.48%, it was at level Ⅱ. Hence, the soil nutrient status is generally good. There were obvious differences in IFI between the different categories of tea plantations, with the ranking being: medium mountain yellow soil>hilly yellow soil>hilly calcareous soil>low mountain yellow soil>medium mountain calcareous soil>low mountain calcareous soil. 4) There was a very significant negative correlation between pH and organic matter, total nitrogen, and available phosphorus, and a significant negative correlation of pH with alkaline nitrogen. There was a significant (P<0.05) and a very significant (P<0.01) positive correlation between the nutrient indexes; i.e. the values for the various nutrients at any one test site were relatively close and homologous. Tea plantation values for soil pH were negatively correlated with IFI (P<0.01), and test values for other nutrients were positively correlated with IFI (P<0.01).
, correspAuthors=Li-tang LÜ, authorNote=null, correspAuthorsNote=
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本文属于开放获取期刊。, copyrightOwner=草业学报编辑部, extLink=null, articleAbsUrl=null, sourceXml=PNohTXSsWpf3OqzNVUnaoQ==, magXml=3N8EAJAfjdfdhap0OSXzeQ==, pdfUrl=null, pdf=ypdOLeycvo+4iBFUirA9aA==, pdfFileSize=1248559, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=aA47aW/PRC/KmhTAMssdVA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=HvAWD5aDmf2bYoJhJrRcMg==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Shu-jun LIU, Xin-zhuan YAO, De-gang ZHAO, Li-tang LÜ), CN=ArticleExt(id=1239152909485666823, articleId=1239152907518538219, tenantId=1146029695717560320, journalId=1238822807409311748, language=CN, title=湄潭茶园土壤养分特征及肥力质量评价, columnId=1239152909380801356, journalTitle=草业学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
为探明湄潭茶园土壤养分特征及肥力质量现状,选用pH、有机质、全氮、碱解氮、有效磷和速效钾6个指标,应用主成分分析法对湄潭6种类型茶园土壤养分特征及肥力质量状况进行评价。结果表明:1)湄潭茶园土壤pH为3.73~7.26,均值为5.01,61.11%的茶园土壤达到优质茶园的标准,湄潭茶园土壤pH整体适宜,16.67%的茶园土壤有酸化趋势。2)湄潭茶园土壤有机质、全氮、碱解氮、有效磷和速效钾含量整体丰富,均值分别为22.84 g·kg-1、1.43 g·kg-1、124.50 mg·kg-1、44.16 mg·kg-1和135.61 mg·kg-1,分别有61.11%、70.37%、61.11%、55.56%和59.26%的茶园土壤达到优质茶园的标准,但各养分指标之间存在着明显的空间差异。3)湄潭茶园土壤肥力综合指标值(IFI)为0.179~0.989,均值为0.683,分别有51.85%和31.48%的茶园土壤处于Ⅰ和Ⅱ级水平,土壤养分状况整体良好;各类型茶园IFI之间存在明显的空间差异,其由大到小分别为:中山黄壤>丘陵黄壤>丘陵石灰土>低山黄壤>中山石灰土>低山石灰土。4) pH与有机质、全氮、有效磷之间呈极显著负相关关系,与碱解氮呈显著负相关关系;各养分指标之间存在着显著(P<0.05)和极显著(P<0.01)的正相关关系,各养分之间关系比较密切且具有同源性。pH与IFI呈极显著(P<0.01)负相关关系,其他养分指标均与IFI呈极显著(P<0.01)正相关关系。
, correspAuthors=吕立堂, authorNote=null, correspAuthorsNote=
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, authorsList=柳书俊, 姚新转, 赵德刚, 吕立堂)}, authors=[Author(id=1239152910278390322, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=384354153@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1239152910471328327, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, authorId=1239152910278390322, language=EN, stringName=Shu-jun LIU, firstName=Shu-jun, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1, 2, address=1.贵州大学茶学院,贵州 贵阳 550025
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1.贵州大学茶学院,贵州 贵阳 550025
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1, 2, address=1.贵州大学茶学院,贵州 贵阳 550025
2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025
1.贵州大学茶学院,贵州 贵阳 550025
2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1239152909993177633, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910001566243, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152909993177633, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.贵州大学茶学院,贵州 贵阳 550025)]), AuthorCompany(id=1239152910068675110, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910077063719, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152910068675110, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025)]), AuthorCompany(id=1239152909993177633, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910001566243, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152909993177633, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.贵州大学茶学院,贵州 贵阳 550025)]), AuthorCompany(id=1239152910068675110, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910077063719, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152910068675110, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025)])]), Author(id=1239152910991422076, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1239152911180165774, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, authorId=1239152910991422076, language=EN, stringName=De-gang ZHAO, firstName=De-gang, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2, 3, address=2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025
3.贵州省农业科学院,贵州 贵阳 550025
2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025
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1, 2, *, address=1.贵州大学茶学院,贵州 贵阳 550025
2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025
1.贵州大学茶学院,贵州 贵阳 550025
2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1239152909993177633, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910001566243, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152909993177633, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.贵州大学茶学院,贵州 贵阳 550025)]), AuthorCompany(id=1239152910068675110, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910077063719, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152910068675110, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025)]), AuthorCompany(id=1239152909993177633, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910001566243, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152909993177633, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.贵州大学茶学院,贵州 贵阳 550025)]), AuthorCompany(id=1239152910068675110, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, xref=null, ext=[AuthorCompanyExt(id=1239152910077063719, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, companyId=1239152910068675110, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.贵州大学农业生物工程研究院山地植物资源与种质创新省部共建教育部重点实验室,贵州 贵阳 550025)])])], keywords=[Keyword(id=1239152913155683015, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, orderNo=1, keyword=Meitan tea plantations), Keyword(id=1239152913264734927, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, orderNo=2, keyword=soil nutrient), Keyword(id=1239152913398952670, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, orderNo=3, keyword=soil fertility quality), Keyword(id=1239152913524781803, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, orderNo=4, keyword=integrated fertility index (IFI)), Keyword(id=1239152913638028022, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, orderNo=5, keyword=principal component analysis), Keyword(id=1239152913742885633, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, orderNo=1, keyword=湄潭茶园), Keyword(id=1239152913814188811, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, orderNo=2, keyword=土壤养分), Keyword(id=1239152913914852119, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, orderNo=3, keyword=土壤肥力质量), Keyword(id=1239152914002932511, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, orderNo=4, keyword=土壤肥力综合指标值), Keyword(id=1239152914082624294, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, orderNo=5, keyword=主成分分析)], refs=[Reference(id=1239152918390173721, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, doi=null, pmid=null, pmcid=null, year=2019, volume=35, issue=6, pageStart=54, pageEnd=61, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=Chinese Agricultural Science Bulletin, refType=null, unstructuredReference=
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Tea plantations soil sampling map
, figureFileSmall=7ookGcjlZgPqWigSx71TLA==, figureFileBig=aA47aW/PRC/KmhTAMssdVA==, tableContent=null), ArticleFig(id=1239152914443334477, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=图1, caption=
茶园土壤采样图
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The fitting relationship between the integrated fertility index (IFI) and various nutrients
, figureFileSmall=4AQRtSRsdmR9Yma8HmJPjQ==, figureFileBig=TXiIdRjzTYlh2GjYB2p20w==, tableContent=null), ArticleFig(id=1239152914602718048, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=图2, caption=
土壤肥力综合指标 (IFI)与各养分指标的拟合关系
, figureFileSmall=4AQRtSRsdmR9Yma8HmJPjQ==, figureFileBig=TXiIdRjzTYlh2GjYB2p20w==, tableContent=null), ArticleFig(id=1239152914703381350, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 1, caption=
Value of turning point of membership function curve of each fertility index
, figureFileSmall=null, figureFileBig=null, tableContent=
转折点取值 Turning point value | pH | 有机质 Organic matter (g·kg-1) | 全氮 Total nitrogen (g·kg-1) | 碱解氮 Alkaline nitrogen (mg·kg-1) | 有效磷 Available phosphorus (mg·kg-1) | 速效钾 Available potassium (mg·kg-1) |
| x1 | 4.0 | 10 | 0.75 | 60 | 5 | 50 |
| x2 | 4.5 | 30 | 2.00 | 120 | 20 | 150 |
| x3 | 6.0 | - | - | - | - | - |
| x4 | 7.0 | - | - | - | - | - |
), ArticleFig(id=1239152914770490223, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表1, caption=
各肥力指标隶属度函数曲线转折点的取值
, figureFileSmall=null, figureFileBig=null, tableContent=
转折点取值 Turning point value | pH | 有机质 Organic matter (g·kg-1) | 全氮 Total nitrogen (g·kg-1) | 碱解氮 Alkaline nitrogen (mg·kg-1) | 有效磷 Available phosphorus (mg·kg-1) | 速效钾 Available potassium (mg·kg-1) |
| x1 | 4.0 | 10 | 0.75 | 60 | 5 | 50 |
| x2 | 4.5 | 30 | 2.00 | 120 | 20 | 150 |
| x3 | 6.0 | - | - | - | - | - |
| x4 | 7.0 | - | - | - | - | - |
), ArticleFig(id=1239152914850182008, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 2, caption=
Comprehensive evaluation criteria of soil fertility
, figureFileSmall=null, figureFileBig=null, tableContent=
| 土壤肥力综合指标 IFI | IFI≥0.75 | 0.50≤IFI<0.75 | 0.25≤IFI<0.50 | IFI<0.25 |
| 土壤肥力等级 Soil fertility grade | Ⅰ级 LevelⅠ | Ⅱ级Level Ⅱ | Ⅲ级Level Ⅲ | Ⅳ级Level Ⅳ |
), ArticleFig(id=1239152914955039612, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表2, caption=
土壤肥力综合评价标准
, figureFileSmall=null, figureFileBig=null, tableContent=
| 土壤肥力综合指标 IFI | IFI≥0.75 | 0.50≤IFI<0.75 | 0.25≤IFI<0.50 | IFI<0.25 |
| 土壤肥力等级 Soil fertility grade | Ⅰ级 LevelⅠ | Ⅱ级Level Ⅱ | Ⅲ级Level Ⅲ | Ⅳ级Level Ⅳ |
), ArticleFig(id=1239152915068285828, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 3, caption=
Tea plantations soil nutrients classification standard
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标Index | 一级LevelⅠ | 二级Level Ⅱ | 三级Level Ⅲ | 优质茶园标准High quality tea plantation standard |
| pH | <4.5 | 4.5~5.5 | >5.5 | 4.5~5.5 |
| 有机质Organic matter (g·kg-1) | >15 | 10~15 | <10 | ≥20 |
| 全氮Total nitrogen (g·kg-1) | >1.0 | 0.8~1.0 | <0.8 | ≥1.5 |
| 碱解氮Alkaline nitrogen (mg·kg-1) | >100 | 50~100 | <50 | ≥100 |
| 有效磷Available phosphorus (mg·kg-1) | >10 | 5~10 | <5 | ≥20 |
| 速效钾Available potassium (mg·kg-1) | >120 | 80~120 | <80 | ≥100 |
), ArticleFig(id=1239152915147977609, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表3, caption=
茶园土壤养分分级标准
, figureFileSmall=null, figureFileBig=null, tableContent=
| 指标Index | 一级LevelⅠ | 二级Level Ⅱ | 三级Level Ⅲ | 优质茶园标准High quality tea plantation standard |
| pH | <4.5 | 4.5~5.5 | >5.5 | 4.5~5.5 |
| 有机质Organic matter (g·kg-1) | >15 | 10~15 | <10 | ≥20 |
| 全氮Total nitrogen (g·kg-1) | >1.0 | 0.8~1.0 | <0.8 | ≥1.5 |
| 碱解氮Alkaline nitrogen (mg·kg-1) | >100 | 50~100 | <50 | ≥100 |
| 有效磷Available phosphorus (mg·kg-1) | >10 | 5~10 | <5 | ≥20 |
| 速效钾Available potassium (mg·kg-1) | >120 | 80~120 | <80 | ≥100 |
), ArticleFig(id=1239152915215086483, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 4, caption=
Main nutrient status of soil in Meitan tea plantations
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantation | pH
| 有机质 Organic matter (g·kg-1) | 全氮 Total nitrogen (g·kg-1) | 碱解氮 Alkaline nitrogen (mg·kg-1) | 有效磷 Available phosphorous (mg·kg-1) | 速效钾 Available potassium (mg·kg-1) |
| 低山黄壤 Low mountain yellow soil | 5.12±0.29ab | 18.93±2.25a | 1.16±0.11a | 95.67±8.05b | 16.36±3.91a | 110.78±20.99a |
| 低山石灰土Low mountain calcareous soil | 5.16±0.32ab | 22.35±2.88a | 1.45±0.17a | 169.65±51.83a | 48.24±23.84a | 172.00±36.49a |
| 丘陵黄壤 Hilly yellow soil | 5.48±0.34a | 23.60±4.04a | 1.41±0.22a | 119.58±21.30ab | 56.45±43.56a | 114.67±32.19a |
| 丘陵石灰土Hilly calcareous soil | 4.72±0.10b | 26.00±1.63a | 1.54±0.10a | 123.57±7.67ab | 41.57±10.02a | 170.44±26.57a |
| 中山黄壤Medium mountain yellow soil | 4.77±0.09ab | 23.21±1.48a | 1.53±0.09a | 121.18±11.20ab | 46.54±20.38a | 108.67±12.75a |
| 中山石灰土Medium mountain calcareous soil | 5.34±0.28ab | 22.92±2.11a | 1.46±0.09a | 117.35±8.94ab | 55.79±11.40a | 137.11±27.17a |
| 范围 Range | 3.73~7.26 | 9.24~44.62 | 0.74~2.77 | 33.01~380.28 | 0.91~404.05 | 30.00~360.00 |
| 平均值 Average | 5.01±0.11 | 22.84±1.03 | 1.43±0.06 | 124.50±9.83 | 44.16±9.06 | 135.61±11.16 |
| 标准差 Standard deviation | 0.80 | 7.37 | 0.38 | 51.50 | 66.85 | 73.14 |
| 变异系数 Coefficient of variation (%) | 15.98 | 33.06 | 27.66 | 44.85 | 147.00 | 56.07 |
| 分布频率Distribution frequency (%) | | | | | | |
| Ⅰ级 LevelⅠ | 16.67 | 87.04 | 85.19 | 61.11 | 74.07 | 50.00 |
| Ⅱ级Level Ⅱ | 61.11 | 11.11 | 9.25 | 37.04 | 14.82 | 24.07 |
| Ⅲ级Level Ⅲ | 22.22 | 1.85 | 5.56 | 1.85 | 11.11 | 25.93 |
| 优质茶园占比High quality tea plantation proportion (%) | 61.11 | 61.11 | 70.37 | 61.11 | 55.56 | 59.26 |
), ArticleFig(id=1239152915294778267, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表4, caption=
湄潭茶园土壤的主要养分状况
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantation | pH
| 有机质 Organic matter (g·kg-1) | 全氮 Total nitrogen (g·kg-1) | 碱解氮 Alkaline nitrogen (mg·kg-1) | 有效磷 Available phosphorous (mg·kg-1) | 速效钾 Available potassium (mg·kg-1) |
| 低山黄壤 Low mountain yellow soil | 5.12±0.29ab | 18.93±2.25a | 1.16±0.11a | 95.67±8.05b | 16.36±3.91a | 110.78±20.99a |
| 低山石灰土Low mountain calcareous soil | 5.16±0.32ab | 22.35±2.88a | 1.45±0.17a | 169.65±51.83a | 48.24±23.84a | 172.00±36.49a |
| 丘陵黄壤 Hilly yellow soil | 5.48±0.34a | 23.60±4.04a | 1.41±0.22a | 119.58±21.30ab | 56.45±43.56a | 114.67±32.19a |
| 丘陵石灰土Hilly calcareous soil | 4.72±0.10b | 26.00±1.63a | 1.54±0.10a | 123.57±7.67ab | 41.57±10.02a | 170.44±26.57a |
| 中山黄壤Medium mountain yellow soil | 4.77±0.09ab | 23.21±1.48a | 1.53±0.09a | 121.18±11.20ab | 46.54±20.38a | 108.67±12.75a |
| 中山石灰土Medium mountain calcareous soil | 5.34±0.28ab | 22.92±2.11a | 1.46±0.09a | 117.35±8.94ab | 55.79±11.40a | 137.11±27.17a |
| 范围 Range | 3.73~7.26 | 9.24~44.62 | 0.74~2.77 | 33.01~380.28 | 0.91~404.05 | 30.00~360.00 |
| 平均值 Average | 5.01±0.11 | 22.84±1.03 | 1.43±0.06 | 124.50±9.83 | 44.16±9.06 | 135.61±11.16 |
| 标准差 Standard deviation | 0.80 | 7.37 | 0.38 | 51.50 | 66.85 | 73.14 |
| 变异系数 Coefficient of variation (%) | 15.98 | 33.06 | 27.66 | 44.85 | 147.00 | 56.07 |
| 分布频率Distribution frequency (%) | | | | | | |
| Ⅰ级 LevelⅠ | 16.67 | 87.04 | 85.19 | 61.11 | 74.07 | 50.00 |
| Ⅱ级Level Ⅱ | 61.11 | 11.11 | 9.25 | 37.04 | 14.82 | 24.07 |
| Ⅲ级Level Ⅲ | 22.22 | 1.85 | 5.56 | 1.85 | 11.11 | 25.93 |
| 优质茶园占比High quality tea plantation proportion (%) | 61.11 | 61.11 | 70.37 | 61.11 | 55.56 | 59.26 |
), ArticleFig(id=1239152915408024484, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 5, caption=
Membership of soil fertility quality index in Meitan tea plantations
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantation | 隶属度 Membership |
| pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium |
| 低山黄壤 Low mountain yellow soil | 0.86 | 0.60 | 0.40 | 0.72 | 0.73 | 0.63 |
| 低山石灰土 Low mountain calcareous soil | 0.71 | 0.57 | 0.51 | 0.67 | 0.54 | 0.50 |
| 丘陵黄壤 Hilly yellow soil | 0.89 | 0.55 | 0.48 | 0.72 | 1.00 | 0.77 |
| 丘陵石灰土 Hilly calcareous soil | 0.85 | 0.56 | 0.51 | 0.77 | 0.78 | 0.58 |
| 中山黄壤 Medium mountain yellow soil | 0.92 | 0.78 | 0.71 | 0.85 | 0.69 | 0.71 |
| 中山石灰土 Medium mountain calcareous soil | 0.80 | 0.62 | 0.55 | 0.65 | 0.59 | 0.68 |
), ArticleFig(id=1239152915521270703, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表5, caption=
湄潭茶园土壤肥力质量指标的隶属度
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantation | 隶属度 Membership |
| pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium |
| 低山黄壤 Low mountain yellow soil | 0.86 | 0.60 | 0.40 | 0.72 | 0.73 | 0.63 |
| 低山石灰土 Low mountain calcareous soil | 0.71 | 0.57 | 0.51 | 0.67 | 0.54 | 0.50 |
| 丘陵黄壤 Hilly yellow soil | 0.89 | 0.55 | 0.48 | 0.72 | 1.00 | 0.77 |
| 丘陵石灰土 Hilly calcareous soil | 0.85 | 0.56 | 0.51 | 0.77 | 0.78 | 0.58 |
| 中山黄壤 Medium mountain yellow soil | 0.92 | 0.78 | 0.71 | 0.85 | 0.69 | 0.71 |
| 中山石灰土 Medium mountain calcareous soil | 0.80 | 0.62 | 0.55 | 0.65 | 0.59 | 0.68 |
), ArticleFig(id=1239152915609351098, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 6, caption=
Correlation between soil fertility quality indexes
, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous |
| 有机质Organic matter | -0.491** | | | | |
| 全氮Total nitrogen | -0.442** | 0.935** | | | |
| 碱解氮Alkaline nitrogen | -0.328* | 0.669** | 0.749** | | |
| 有效磷Available phosphorous | -0.491** | 0.511** | 0.551** | 0.446** | |
| 速效钾Available potassium | -0.183 | 0.415** | 0.374** | 0.439** | 0.092 |
), ArticleFig(id=1239152915739374529, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表6, caption=
土壤肥力质量指标间的相关性
, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous |
| 有机质Organic matter | -0.491** | | | | |
| 全氮Total nitrogen | -0.442** | 0.935** | | | |
| 碱解氮Alkaline nitrogen | -0.328* | 0.669** | 0.749** | | |
| 有效磷Available phosphorous | -0.491** | 0.511** | 0.551** | 0.446** | |
| 速效钾Available potassium | -0.183 | 0.415** | 0.374** | 0.439** | 0.092 |
), ArticleFig(id=1239152915844232140, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 7, caption=
Principal component characteristic root and variance contribution rate of each fertility index
, figureFileSmall=null, figureFileBig=null, tableContent=
主成分 Principal component | 特征值 Eigenvalue | 贡献率 Contribution (%) | 累计贡献率 Cumulative contribution (%) | 主成分 Principal component | 特征值 Eigenvalue | 贡献率 Contribution (%) | 累计贡献率 Cumulative contribution (%) |
| 1 | 3.473 | 57.890 | 57.890 | 4 | 0.481 | 8.023 | 93.427 |
| 2 | 0.979 | 16.316 | 74.205 | 5 | 0.343 | 5.713 | 99.140 |
| 3 | 0.672 | 11.199 | 85.404 | 6 | 0.052 | 0.860 | 100.000 |
), ArticleFig(id=1239152917375153110, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表7, caption=
各肥力指标的主成分特征根与方差贡献率
, figureFileSmall=null, figureFileBig=null, tableContent=
主成分 Principal component | 特征值 Eigenvalue | 贡献率 Contribution (%) | 累计贡献率 Cumulative contribution (%) | 主成分 Principal component | 特征值 Eigenvalue | 贡献率 Contribution (%) | 累计贡献率 Cumulative contribution (%) |
| 1 | 3.473 | 57.890 | 57.890 | 4 | 0.481 | 8.023 | 93.427 |
| 2 | 0.979 | 16.316 | 74.205 | 5 | 0.343 | 5.713 | 99.140 |
| 3 | 0.672 | 11.199 | 85.404 | 6 | 0.052 | 0.860 | 100.000 |
), ArticleFig(id=1239152917463233501, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 8, caption=
Correlation coefficient average and weight coefficient of each fertility index
, figureFileSmall=null, figureFileBig=null, tableContent=
指标 Index | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium |
| 相关系数平均值 Correlation coefficient average | 0.387 | 0.064 | 0.610 | 0.526 | 0.418 | 0.301 |
| 权重系数 Weighting factor | 0.168 | 0.028 | 0.265 | 0.228 | 0.181 | 0.131 |
), ArticleFig(id=1239152917584868325, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表8, caption=
各肥力指标的相关系数平均值和权重系数
, figureFileSmall=null, figureFileBig=null, tableContent=
指标 Index | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium |
| 相关系数平均值 Correlation coefficient average | 0.387 | 0.064 | 0.610 | 0.526 | 0.418 | 0.301 |
| 权重系数 Weighting factor | 0.168 | 0.028 | 0.265 | 0.228 | 0.181 | 0.131 |
), ArticleFig(id=1239152917664560111, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 9, caption=
Distribution of soil comprehensive fertility index in tea plantations
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园土壤等级 Soil grade of tea plantations | 平均值 Average | 标准差 Standard deviation | 变异系数 Coefficient of variation (%) | 范围值 Range | 样本数 Number of samples | 占比 Proportion (%) |
| I | 0.839 | 0.030984 | 7.27 | 0.760~0.989 | 28 | 51.85 |
| Ⅱ | 0.619 | 0.072184 | 11.66 | 0.501~0.732 | 17 | 31.48 |
| Ⅲ | 0.353 | 0.047710 | 13.52 | 0.274~0.412 | 7 | 12.96 |
| Ⅳ | 0.188 | 0.008920 | 4.74 | 0.179~0.197 | 2 | 3.71 |
| 平均 Average | 0.683 | 0.202706 | 29.68 | 0.179~0.989 | 54 | 100.00 |
), ArticleFig(id=1239152917744251893, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表9, caption=
茶园土壤综合肥力指标分布
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园土壤等级 Soil grade of tea plantations | 平均值 Average | 标准差 Standard deviation | 变异系数 Coefficient of variation (%) | 范围值 Range | 样本数 Number of samples | 占比 Proportion (%) |
| I | 0.839 | 0.030984 | 7.27 | 0.760~0.989 | 28 | 51.85 |
| Ⅱ | 0.619 | 0.072184 | 11.66 | 0.501~0.732 | 17 | 31.48 |
| Ⅲ | 0.353 | 0.047710 | 13.52 | 0.274~0.412 | 7 | 12.96 |
| Ⅳ | 0.188 | 0.008920 | 4.74 | 0.179~0.197 | 2 | 3.71 |
| 平均 Average | 0.683 | 0.202706 | 29.68 | 0.179~0.989 | 54 | 100.00 |
), ArticleFig(id=1239152917836526583, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 10, caption=
Distribution of soil fertility of various tea plantations in Meitan
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantations | 土壤肥力综合 指标值IFI | 等级 Level | 分布频率 Distribution frequency (%) |
Ⅰ级 LevelⅠ | Ⅱ级 Level Ⅱ | Ⅲ级 Level Ⅲ | Ⅳ级 Level Ⅳ |
| 低山黄壤 Low mountain yellow soil | 0.669 | Ⅱ | 44.44 | 33.33 | 11.11 | 11.11 |
| 低山石灰土Low mountain calcareous soil | 0.585 | Ⅱ | 33.33 | 44.44 | 11.11 | 11.11 |
| 丘陵黄壤Hilly yellow soil | 0.739 | Ⅱ | 55.56 | 44.44 | 0.00 | 0.00 |
| 丘陵石灰土Hilly calcareous soil | 0.687 | Ⅱ | 66.67 | 11.11 | 22.22 | 0.00 |
| 中山黄壤Medium mountain yellow soil | 0.776 | I | 66.67 | 33.33 | 0.00 | 0.00 |
| 中山石灰土Medium mountain calcareous soil | 0.641 | Ⅱ | 44.45 | 22.22 | 33.33 | 0.00 |
), ArticleFig(id=1239152917928801279, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表10, caption=
湄潭各类型茶园土壤肥力等级分布
, figureFileSmall=null, figureFileBig=null, tableContent=
茶园类型 Types of tea plantations | 土壤肥力综合 指标值IFI | 等级 Level | 分布频率 Distribution frequency (%) |
Ⅰ级 LevelⅠ | Ⅱ级 Level Ⅱ | Ⅲ级 Level Ⅲ | Ⅳ级 Level Ⅳ |
| 低山黄壤 Low mountain yellow soil | 0.669 | Ⅱ | 44.44 | 33.33 | 11.11 | 11.11 |
| 低山石灰土Low mountain calcareous soil | 0.585 | Ⅱ | 33.33 | 44.44 | 11.11 | 11.11 |
| 丘陵黄壤Hilly yellow soil | 0.739 | Ⅱ | 55.56 | 44.44 | 0.00 | 0.00 |
| 丘陵石灰土Hilly calcareous soil | 0.687 | Ⅱ | 66.67 | 11.11 | 22.22 | 0.00 |
| 中山黄壤Medium mountain yellow soil | 0.776 | I | 66.67 | 33.33 | 0.00 | 0.00 |
| 中山石灰土Medium mountain calcareous soil | 0.641 | Ⅱ | 44.45 | 22.22 | 33.33 | 0.00 |
), ArticleFig(id=1239152918050435078, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=EN, label=Table 11, caption=
Soil nutrient element factor loading
, figureFileSmall=null, figureFileBig=null, tableContent=
主成分 Principal component | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium | IFI | 方差贡献率 Variance contribution rate (%) | 累计贡献率 Cumulative contribution (%) |
| PC1 | -0.616 | 0.910 | 0.932 | 0.812 | 0.618 | 0.541 | 0.843 | 58.872 | 58.872 |
| PC2 | 0.356 | -0.032 | -0.046 | 0.121 | -0.576 | 0.703 | 0.200 | 14.439 | 73.311 |
), ArticleFig(id=1239152918146904075, tenantId=1146029695717560320, journalId=1238822807409311748, articleId=1239152907518538219, language=CN, label=表11, caption=
土壤养分元素因子载荷
, figureFileSmall=null, figureFileBig=null, tableContent=
主成分 Principal component | pH | 有机质 Organic matter | 全氮 Total nitrogen | 碱解氮 Alkaline nitrogen | 有效磷 Available phosphorous | 速效钾 Available potassium | IFI | 方差贡献率 Variance contribution rate (%) | 累计贡献率 Cumulative contribution (%) |
| PC1 | -0.616 | 0.910 | 0.932 | 0.812 | 0.618 | 0.541 | 0.843 | 58.872 | 58.872 |
| PC2 | 0.356 | -0.032 | -0.046 | 0.121 | -0.576 | 0.703 | 0.200 | 14.439 | 73.311 |
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