基质添加对土壤种子库特征的影响分析

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1、Abstractmainlyexperimentalgroupsofpeat-perlite,whilequadratsdistributedinhighwatercontentareaweremainlygroupofricehuskcharcoal-vermiculite.Theaddingofsubstratescouldeffectivelyimprovethesoilproperties,theorganicelementsofsoilcouldhaveverysignificantimpactonSSBs.Theelem

2、entsofN、P、Kcouldimprovethegrowthpotentialanddensityofsoilseedbank.Theregressionequationwere：Height=-2.807-0.084C+2.455N-0.106P+0.491K；Density=51.712+0.829C-16.867N-1.999P-4.568K。Keywords:soilseedbank;substrates;germinationcurve;regressionanalysis;CCAanalysisV万方数据目录目录摘要

3、............................................................................................................IAbstract....................................................................................................III第一章绪论............................................

4、.................................................1第一节研究背景......................................................................................................1第二节国内外土壤种子库研究现状......................................................................31.2.1国内研究现状............

5、...................................................................................................31.2.2国外研究进程...............................................................................................................5第三节研究目的与意义....................................

6、......................................................7第四节研究内容与技术路线图..............................................................................81.4.1研究内容.................................................................................................................

7、......81.4.2技术路线图...................................................................................................................9第二章研究方法...................................................................................11第一节取样区域介绍...................................

8、.........................................................11第二节基质材料介绍.................................................