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《種植密度和收獲時(shí)期對(duì)玉米外觀品質(zhì)和營(yíng)養(yǎng)品質(zhì)的影響》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、分類(lèi)號(hào)S352.3；S372學(xué)號(hào)20062050碩士學(xué)位論文種植密度和收獲時(shí)期對(duì)玉米外觀品質(zhì)和營(yíng)養(yǎng)品質(zhì)的影響程麗娟導(dǎo)師：楊錦忠教授學(xué)科·專(zhuān)業(yè)：作物栽培學(xué)與耕作學(xué)研究方向：作物高產(chǎn)優(yōu)質(zhì)工程答辯日期：二○○九年六月中國(guó)山西太谷ShanxiAgriculturalUniversityMasterDegreeDissertationEffectsofPlantingDensityandHarvestDateonAppearanceQualitiesandNutritionQualitiesofMaizeLijuanChengSup
2、ervisor:Pro.JinzhongYangMajor:CropCultureandFarmingScienceResearchField:High-yieldandQualityCropEngineeringTaiguShanxiChinaJune,2009目錄摘要.....................................................................1前言........................................................
3、.............21研究意義...............................................................22玉米外觀品質(zhì)及其影響因素...............................................33玉米營(yíng)養(yǎng)品質(zhì)及其影響因素...............................................44收獲時(shí)期對(duì)玉米產(chǎn)量的影響..............................................
4、.65種植密度對(duì)玉米產(chǎn)量的影響...............................................76立題依據(jù)及技術(shù)思路.....................................................81材料與方法..............................................................81.1試驗(yàn)地簡(jiǎn)介..........................................................81
5、.2供試材料及試驗(yàn)設(shè)計(jì)..................................................91.2.1供試品種.........................................................91.2.2試驗(yàn)設(shè)計(jì).........................................................91.3測(cè)定內(nèi)容與分析方法...................................................91.3.
6、1作物生長(zhǎng)發(fā)育動(dòng)態(tài)觀察.............................................91.3.1.1生育時(shí)期調(diào)查.................................................91.3.1.2株高、穗位高、莖粗、葉面積測(cè)定...............................91.3.2小區(qū)田間測(cè)產(chǎn)及室內(nèi)考種..........................................101.3.3籽粒品質(zhì)的測(cè)定..................
7、................................101.3.3.1外觀品質(zhì)測(cè)定................................................101.3.3.2營(yíng)養(yǎng)品質(zhì)測(cè)定................................................101.3.4數(shù)據(jù)處理與分析方法..............................................112結(jié)果與分析....................................
8、.........................112.1不同密度不同收獲時(shí)期對(duì)外觀品質(zhì)的影響................................112.1.1不同密度不同收獲時(shí)期對(duì)籽粒飽滿(mǎn)度指數(shù)的影響......................112.1.2不同密度不同收獲時(shí)期對(duì)籽粒容重
