黑土稻作不同控灌水平的水、磷、钾耦合效应试验研究

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1、中图分类号举校代码１０２２４巧级公开学号１２０１１０００６＾糸確＾營＾硕古学位论文黑±程作不同控灌水平的水、麟、钟縄合效应试验研究作者金子茗导师张忠學教授学位类别工学硕±所在学院水利与建筑学院：子二￣级学科巧业工程二级学科农业水±工程二〇—五年六月独创声明本人声明所呈交的学位论文是本人在导师指导下进行的研巧工作及取得的研究成果。据我所知，除了文中特别加标注和致谢的地方外，论文中不包含其他人己经发表或撰写过的研巧成果，也不包含未获得（注：如役有其他需要特别声明的，本栏可空）或其他教育机构的学位

2、或证书使用过的材料一。与我同工作的同志对本研巧所做的任何贡献均己在论文中作了明确的说明并表示谢意。学位论文作者签名；曰期：如ｒ年曰ｔ＾月Ｉ鶴Ｉ学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，学校有权保留并向国家有关部口或机构送交论文的复印件和磁盘，允许论文被查阅和借阅。本人，＾授权学校可｜＾将学位论文的全部或部分内容编入有关数据库进行检索可＾＾１采用影印、缩印或扫描等复制手段保存、汇编学位论文。（保密的学位论文在解密后适用本授权书）学位论文作者签名：曰期：２。从年（月／／曰至＾导师签名曰期；＾＾／

3、曰＞ｒ／２＾ｐ／ＶClassifiedIndex：Code：10224Confidential：noNo：120110006DissertationfortheMasterDegreeExperimentalstudyonPhosphorusandpotassiumfertilizerCouplingEffectundertheConditionofControlIrrigationonRiceinBlackSoilCandidate:JinZimingSupervisor:ProfessorZhangZhongxueDegreeCategory:MasterofEng

4、ineeringCollege:WaterConservancyandArchitectureFirstleveldiscipline:AgriculturalEngineeringSecondleveldiscipline:AgriculturalWater-soilEngineeringHarbinChinaJune2015目录摘要···························································································································

5、····································I英文摘要·····················································································································································III1引言································································································

6、···························································11.1研究的目的与意义··························································································································11.2国内外研究动态························································································

7、······································21.3研究的技术路线······························································································································32研究的内容与方法·······························································