油-稻-再三熟制及养分运筹对产量、养分吸收及土壤养分含量的影响

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1、华中农业大学硕士学位论文油-稻-再三熟制及养分运筹对产量、养分吸收及土壤养分含量的影响EFFECTSOFOILSEEDRAPE-RICE-RATOONRICECROPPINGSYSTEMANDNUTRIENTSMANAGEMENTONYIELD,NUTRIENTUPTAKESANDCONTENTOFNUTRIENTSINSOIL硕士研究生:王志宾学号:2016303120047指导教师:丛日环副教授李小坤副教授指导小组:鲁剑巍教授任涛副教授学位类型:农业硕士领域:农业资源利用华中农业大学资源与环境学院中国·武汉Colleg

2、eofResourcesandEnvironmentHuazhongAgriculturalUniversityWuhan,China本研究在公益性行业（农业）科研专项（201503123）、中央高校基本科研业务费专项资金（2662017JC010）的资助下完成。ThisresearchprojectwassupportedbytheSpecialFundforAgro-scientificResearchinthePublicInterest(201503123),theFundamentalResearchFundsf

3、ortheCentralUniversities(2662017JC010).油-稻-再三熟制及养分运筹对产量、养分吸收及土壤养分含量的影响目录摘要......................................................................................................................................iAbstract...............................................

4、................................................................................iii缩略词表............................................................................................................................vi1文献综述..............................................

5、...........................................................................11.1水稻和油菜的重要性................................................................................................11.2保障粮油安全的途径...................................................................

6、.............................11.3三熟制的现状............................................................................................................21.3.1三熟制的发展.....................................................................................................21.3

7、.2三熟制的重要贡献.............................................................................................21.3.3三熟制对土壤肥力的影响.................................................................................31.3.4三熟制存在的问题及解决途径............................................

8、.............................41.4三熟制的养分运筹效果............................................................................................51.4.1氮肥运筹对水稻和油菜的