药烟轮间作对土壤微生物及烤烟产质量的影响

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1、单位代码10635学号112015320001461硕士学位论文药烟轮间作对土壤微生物及烤烟产质量的影响论文作者：张东艳张东艳指导教师：杨水平副教授杨水平副教授学科专业：植物营养学研究方向：植物营养和土壤微生物提交论文日期：2018年4月10日论文答辩日期：2018年5月29日学位授予单位：西南大学中国重庆2018年5月MasterThesisofSouthwestUniversityin2018Effectsofrotation（intercropping）betweenflue-curedtobacc

2、oandChineseherbalmedicineonsoilmicrobeandyieldandqualityofflue-curedtobaccoDiscipline：PlantNutritionDirection：PlantnutritionandsoilmicrobeSupervisor：AssociateprofessorYangShuipingCandidate：ZhangDongyanChongqing,ChinaMay,2018目录目录摘要..........................

3、...................................................................................................................IAbstract....................................................................................................................................

4、.III第1章文献综述.......................................................................................................................11.1连作障碍......................................................................................................................

5、.11.1.1连作障碍概念及其危害.....................................................................................11.1.2连作障碍产生机理.............................................................................................11.1.3缓解连作障碍的措施................................

6、.........................................................21.2烟草连作障碍...............................................................................................................21.2.1我国烟草种植状况................................................................

7、.............................21.2.2烟草连作障碍及克服办法研究.........................................................................31.3中药材连作障碍............................................................................................................41.3.1常见中药材栽培状况.

8、........................................................................................41.3.2川明参...............................................................................................................