................,...........................................,.............................l Abstract....................................................................................................3 文献综述..................................................,..........................................6 1.农业有机废弃物的资源化现状...................................................,..... 2.农业有机废弃物的好氧堆肥降解............................................................8 2.1废弃物好氧堆肥的原理............................................. 2.2好氧堆肥的影响因素.,........................................... 2.2 . 1堆肥物料的湿度.....................................9 2.2.2通气状况......................................................9 2.2.3温度.......................................,..................................10 2.2.4初始c加比.........................................................11 2.2.5初始pH......................................................12 2.2.6有机质含量和营养物质.....................................................。二,12 3.我国设施园艺事业的发展及存在的问题.................................................13 4.保护地增施CO:的研究进展.........................................................13 4.1棚室内COZ浓度的变化...............................................................13 4.2cq施肥的生理效应......................................14 4.2.1CO:影响光合作用...............................................................14 4.2.2coZ影响呼吸....................................巧 4.2.3CO:影响蒸腾作用...............................................................巧 4.2.4CO:影响矿质营养的吸收......................................................巧 4.2.5CO:影响作物营养生长与生殖生长.........................................16 4.2.6CO:对叶片叶绿素、全氮、蔗糖、淀粉含量的影响......................16 4.3CO:施肥的历史及现状............,..............................................16 4.4CO:施肥在生产实践中的应用效果......................,.....................17 4:41CO:施肥对保护地温度的影响................................................17 4.4.2CO:施肥改善了秧苗品质...............................,.........‘..…17 4.4.3CO:施肥提高产量.,..….、..........................................,二184.4.4增施COZ提高作物品质.......................................................18 4.4.5COZ施肥影响采收期与收获期................................................18 4.4.6提高抗病能力....................................................................19 4.5增施Cq的措施........................................................................19 4.5.1COZ施肥的基本方法............................................................19 4.5.2棚室CO:施肥存在的问题及展望...........................................21 5.问题的提出及技术路线......................................................................21 第一章:农业有机废弃物生物发酵产生CO:最适条件的探索.................................23 1.试验材料与方法...............................................................................23 1.1试验材料:................................................................................23 1.2试验设计...............................................................,............24 1.2.1正交试验..........................................................................................24 1.2.2单因子试验.......................................................................................25 1.3测定方法...,........................................................................26 2.结果与讨论.......................................................................................6 2.1正交试验.................................................................................26 2.1.1方差分析............................................................................................一26 2.1.2直观分析.........................................................................................“27 2.2单因子试验...............................................................................9 2.2.1温度对COZ释放的影响......................................................................29 2.2.2水分含量对CO:释放的影响..................................................................31 2.2.3初始C/N比对COZ释放的影响...............................................................犯 2.2.4初始pH对CO:释放的影响..................................................................33 3.结论:............................................................................................35 第二章:农业废弃物生物发酵高效CO:产气菌的分离及效果研究.........................36 1.材料与方法.....................................................................................6 1.1纤维素分解菌的分离...................................................................6 1.2室内培养试验............................................................................37 1.3农业有机废弃物生物发酵对大棚CO:浓度影响试验:.........................38 2.试验结果.......................................................................................392.1不同菌种对有机物降解释放二氧化碳的影响.....................................39 2.2农业有机废弃物生物发酵对大棚CO:浓度影响................,..........40 3.讨论..............................................................................................42 4.结论:...........................................................................................43 第三章:农业废弃物生物发酵CO:施肥对大棚蔬菜生长、产量与品质的影响............44 1.试验材料与方法...............................................................................45 1.1有机废弃物生物发酵CO:施肥方法................................................45 1.2盆栽试验方法............................................................................45 2 . 结果与分析....................................................................................48 2 . 1农业废弃物生物发酵CO:施肥法对蔬菜生长的影响...........................48 2.2农业废弃物生物发酵CO:施肥法对疏菜叶片中叶绿素含量和光合作用的影 响...........................................................................................................2 2.3农业废弃物生物发酵CO:施肥法对蔬菜品质的影响...........................54 3 . 讨论:...........................................................................................55 3.1农业废气物生物发酵施CO:对蔬菜生理学的影响.............................55 3 . 2农业废气物生物发酵施CO:对蔬菜生物量与品质的影响.....................56 4.结论:.....,................,.........................................................57