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fertility evolutions, effects of fertilizers on crop yields, soil biological fertility, newly emerged fertilizers and so on, and puts forward some strategic proposals for developing newly emerged fertilizers, enhancing long-term soil fertility monitoring, building up soil biological fertility and the safe use of organic manure., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=buzk11le/CRMkgmLuqHWMg==, pdfFileSize=410147, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242118378417099075, articleId=1242118375439138826, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=对我国土壤肥料若干重大问题的探讨, columnId=1242117560062247509, journalTitle=科技导报, columnName=科学家之声, runingTitle=null, highlight=null, articleAbstract=土壤和肥料资源是保障粮食安全和人类赖以生存的环境的基础，关系到农业与社会的可持续发展等若干重大问题。本文对我国耕地资源特征、利用方式及其演变，农田养分平衡、化肥肥效与土壤肥力演化，肥料技术升级，土壤生物肥力等若干重要土壤肥料问题进行了探讨；提出了发展新型肥料、加强土壤肥力长期监测、培育土壤生物肥力，以及提高有机肥资源效率与安全利用研究等重大工程技术措施的建议。, authors=赵秉强1,梅旭荣2, authorsList=赵秉强;梅旭荣, authorCompany=1中国农业科学院农业环境与可持续发展研究所 北京 2中国农业科学院农业环境与可持续发展研究所 北京, correspAuthors=null, authorNote=null, correspAuthorsNote=梅旭荣, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=XJc/fU2ZxivjOLKyvHVaCA==, pdfFileSize=410147, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=[Author(id=1299434302744318330, tenantId=1146029695717560320, journalId=null, 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