几种增效尿素对稻油周年轮作产量及氮肥利用率影响

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1、QHUAZHONGAGRICULTURALUNIVERSITY硕士学位论文MASTER’SDEGREEDISSERTATION几种增效尿素对稻油周年轮作产量及氮肥利用率影响EFFECTSOFSEVERALSYNERGISTICUREAONYIELDANDNITROGENUSEEFFICIENCYOFANNUALRICE-RAPESEEDROTATION研究生：程培军CANDIDATE:CHENGPEIJUN学号:STUDENTNO.：2016303120054专业：农业硕士MAJAR:MASTEROFAGRICULTURE导师:李小坤副教授SUPERV

2、ISOR:ASSOCIATEPROFESSORLIXIAOKUN鲁剑巍教授PROFESSORLUJIANWEI中国·武汉Wuhan,China二〇一八年六月JUNE，2018华中农业大学硕士学位论文几种增效尿素对稻油周年轮作产量及氮肥利用率影响EFFECTSOFSEVERALSYNERGISTICUREAONYIELDANDNITROGENUSEEFFICIENCYOFANNUALRICE-RAPESEEDROTATION硕士研究生：程培军学号：2016303120054指导教师：李小坤副教授鲁剑巍教授任涛副教授丛日环副教授学位类型：农业硕士领域：农业

3、推广华中农业大学资源与环境学院中国·武汉CollegeofResourcesandEnvironmentHuazhongAgriculturalUniversityWuhan,China本研究在农业部植物营养与肥料学科群开放基金专项资金的资助（批准号：APF2015024）资助下完成。ThisresearchprojectwasfinanciallysupportedbytheearmarkedfundforAgriculturePlantnutritionandFertilizersopenFoundationofChina(APF2015024).

4、几种增效尿素对稻油周年轮作产量及氮肥利用率影响目录摘要..........................................................................................................................................................i1文献综述............................................................................................

5、.................................................11.1几种增效尿素的概念..............................................................................................................11.2几种增效尿素的分类..............................................................................................

6、................11.3几种增效尿素在农业上应用及其发展...................................................................................21.4几种增效尿素优缺点比较......................................................................................................21.4.1腐植酸类氮肥...............................

7、................................................................................31.4.2海藻提取物氮肥...........................................................................................................31.4.3添加微量元素类氮肥................................................................

8、....................................41.4.4复杂有机物