叶面喷施硒肥对水稻产量品质形成及其生理机理研究-作物栽培学与耕作学专业论文.docx

下载文档 降价啦

3
0
约4.71万字
约 100页
2018-05-05 发布于上海
举报
版权申诉
保障服务

叶面喷施硒肥对水稻产量品质形成及其生理机理研究-作物栽培学与耕作学专业论文.docx

1、本文档共100页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。

叶面喷施硒肥对水稻产量品质形成及其生理机理研究-作物栽培学与耕作学专业论文

AbstractInordertoconfirmtheeffectoffoliarsprayingseleniumfertilizeronriceyield、qualityformationandtheirphysiologicalmechanism，thericevarietiesNingxiangyouandHual17wereselectedasmaterialstostudytheirchangesofyield，quality、grainseleniumcontent、Sedistributionandprotectionenzymesystem、photosynthesisphysiologyaftersprayingseleniumfertilizeronrice1eaf．Theresultsshowedthat：1．The1000一grainweightofricedroppedsignificantlywhenspraying300∥666．67m‘YeLiselenium．richfertilizeronricetillering、theearlyandmiddlefillingstagecontinuously．Theyielddroppedsignificantywhenspraying3009／666．67m2YeLiselenium-richfertilizeronricetillering、headingandfillingstagecontinuously,butyieldimprovedsignificantlywhensprayin93009／666．67m2YeLiselenium-richfertilizeronricetilleringandheadingstage．Themeasurementofsprayingseleniumfertilizercanresultindeclineofriceyieldandbiomass，organicSefertilizeraffectyieldlessandYeLiselenium．richfertilizerCalldescendyieldsignificantly．2．Therateofpolishedriceincreasedsignificantlywhenspraying3009／666．67m2YeLiselenium-richfertilizer onricetilleringandtheearlyfillingstageandtheChalkinessratedroppedwhenspraying300∥666．67m2YeLiselenium-richeverytime．Brownricerateandheadricerate improvedsignificantlywhenspraying3009／666．67m2YeLiselenium—richfertilizeronricetillering、theearlyandmiddlefillingstagecontinuously．Brownricerateimproved、chalkinessratedroppedandstarchcontentimprovedwhensprayingSefertilizer．3．Theseleniumcontentinriceroot、leaf,stemandgrainincreasedeffectivelythroughsprayingYeLise—richfertilizeronriceleaf．Excessiveamountsofseleniumfertilizerwillinhibittheseleniumabsorptionofricerootandleaf．Lessseleniumfertilizerquantity,butmorefertilizationtimecanreduceseleniumresidue inricestalks．Panicleand whitericewith theseleniumcontentofseleniumcontentincreases．Withtheincreaseofseleniumamount，theseleniumcontentingrainandpolished riceincreased．ThecontentofSeimprovedwhensprayingSeonriceleaves，butdifferentSefertilizerhavedifferentaffect．TheYeLiselenium．richfertilizerhasleSSaffectonpolish