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ID:34630527
大小:2.09 MB
页数:75页
时间:2019-03-08
《肥料增效剂对大蒜、油菜生长和土壤肥力的影响》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、HUAZHONGAGRICULTURALUNIVERSITY硕士学位论文MASTER’SDEGREEDISSERTATION肥料增效剂对大蒜、油菜生长和土壤肥力的影响EFFECTSOFFERTILIZERSYNERGISTSONGARLICANDOILRAPEGROWTHANDSOILFERTILITY研究生:战帅CANDIDATE:ZHANSHUAI学号:2016303120048STUDENTNO.:专业:农业资源利用MAJOR:UTILIZATIONOFAGRICULTURALRESOURCES导师:赵竹
2、青教授SUPERVISOR:PROFESSORZHAOZHUQING中国武汉WUHAN,CHINA二○一八年六月JUNE,2018分类号:密级:华中农业大学硕士学位论文肥料增效剂对大蒜、油菜生长和土壤肥力的影响EFFECTSOFFERTILIZERSYNERGISTSONGARLICANDOILRAPEGROWTHANDSOILFERTILITY研究生:战帅:学号:2016303120048:指导教师:赵竹青:教授学位类型:农业:硕士领域:农业推广:华中农业大学资源与环境学院中国·武汉CollegeofReso
3、urcesandEnvironmentofHuazhongAgriculturalUniversityWuhan,China肥料增效剂对大蒜、油菜生长和土壤肥力的影响目录摘要...................................................................................................................................ⅰAbstract...............................
4、...............................................................................................ⅲ1研究综述..........................................................................................................................11.1化学肥料发展与施用现状....................
5、...................................................................11.1.1施肥过量,肥料利用率低................................................................................31.1.2养分淋失,污染环境...............................................................................
6、.........31.1.3不合理施肥,土壤肥力下降............................................................................31.1.4微量肥施用不足,土壤养分失衡....................................................................41.2新型肥料的概念与发展.....................................................
7、......................................41.3钼肥对植物的作用与施用.......................................................................................61.4腐植酸对作物及土壤微生物的影响.......................................................................71.5微生物多样性对土壤肥力的意义..........
8、.................................................................92研究背景、目标和内容................................................................................................122.1研究背景............
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