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生物炭对植稻酸性土壤微生物群落和土壤肥力的影响

Acknowledgement第10-11页
Abbreviations第11-17页
Abstract第17-20页
摘要第21-24页
Chapter 1 General introduction第24-30页
    1.1 Objectives第28-30页
Chapter 2 Literature review第30-52页
    2.1 Introduction第30-52页
        2.1.1 Chronology of biochar第31-32页
        2.1.2 Pyrolysis process第32-34页
        2.1.3 Pyrolysis technologies第34页
        2.1.4 Pyrolysis temperatures第34-35页
        2.1.5 Chemical heterogeneity of biochar第35-36页
        2.1.6 Impact of biochar on soil physical properties第36-38页
        2.1.7 Impact of biochar on soil chemical properties第38-42页
        2.1.8 Impact of biochar on soil microbial community第42-46页
        2.1.9 Effect of biochar on pesticides behavior第46-47页
        2.1.10 Effect of biochar on plant growth and nutrient availability第47-50页
        2.1.11 Carbon sequestration第50-52页
Chapter 3 Physico-chemical properties ofbiochars generated from different feedstocksunder different pyrolysis conditions第52-70页
    3.1 Introduction第52-53页
    3.2 Material and methods第53-55页
        3.2.1 Biochar production第53-54页
        3.2.2 Physical and chemical analysis第54-55页
    3.3 Results and discussion第55-69页
        3.3.1 Physicochemical properties of biochars第55-60页
        3.3.2 Elemental analysis第60-65页
        3.3.3 X-ray diffraction analysis第65页
        3.3.4 FTIR analysis第65-67页
        3.3.5 Scanning Electron Microscopy(SEM)第67-69页
    Conclusions第69-70页
Chapter 4 Biochars from different feedstocks change the element concentrations inPsammaquent and Plinthudult第70-80页
    4.1 Introduction第70-71页
    4.2 Materials and methods第71-72页
        4.2.1 Soil collection and classification第71页
        4.2.2 Biochar production第71-72页
        4.2.3 Experimental design第72页
        4.2.4 Element extraction and analysis第72页
    4.3 Results and discussions第72-78页
        4.3.1 Element analysis of soils and biochars used in this experiment第72-74页
        4.3.3 Influence of biochars on available soil element concentrations第74-78页
    Conclusion第78-80页
Chapter 5 Changes in soil microbial community structure due to biochars generated fromdifferent feedstocks and biochar relationships with soil chemical properties第80-106页
    5.1 Introduction第80-82页
    5.2. Material and methods第82-85页
        5.2.1 Biochar production and characterization第82页
        5.2.2 Chemical analysis of control and amended soil after incubation第82-83页
        5.2.3 PLFA extraction第83页
        5.2.4 Microbial biomarkers第83-84页
        5.2.5 Statistical analysis第84-85页
    5.3 Results and discussion第85-105页
        5.3.1 Physico-chemical characterization of biochars第85-86页
        5.3.2 Influence of biochars on chemical properties of soils第86-90页
            5.3.2.1 Psammaquent第86-88页
            5.3.2.2 Plinthudult第88-90页
        5.3.3 Influence of biochars on microbial community structure第90-101页
            5.3.3.1 Psammaquent第90-96页
            5.3.3.2 Plinthudult第96-101页
        5.3.5 Relationship between soil microbial community and chemica第101-105页
            5.3.5.1 Psammaquent第101-102页
            5.3.5.2 Plinthudult第102-105页
    Conclusion第105-106页
Chapter 6 Influence of wheat straw biochar on yield of rice and some properties of aPsammaquent and a Plinthudult第106-128页
    6.1 Introduction第106-109页
    6.2 Materials and Methods第109-112页
        6.2.1 Soils and biochar第109页
        6.2.2 Greenhouse experiment第109-110页
        6.2.3 Analysis第110-112页
    6.3 Results and Discussion第112-127页
        6.3.1 Wheat straw biochar and soil properties第112-113页
        6.3.2 Changes in soil properties at harvest due to biochar第113-115页
        6.3.3 Effect of biochar on nutrient leaching from soils第115-118页
        6.3.4 Extractable concentrations of nutrients in biochar amended and non-amended soils第118-120页
        6.3.5 Effect of biochar on plant growth第120-121页
        6.3.6 Accumulation of nutrients in rice straw and grain第121-124页
        6.3.7 Microbial PLFA community structure in biochar amended soils growingnee.第124-127页
    Conclusion第127-128页
Chapter 7 Major conclusions and perspectives第128-131页
    7.1 Major findings第128-129页
    7.2 Future challenges and recommendations第129-131页
References第131-154页
Appendix第154-156页

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