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2. College of Forestry, Gansu Agricultural University, Lanzhou, Gansu Province 730070, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309575122248364859, articleId=1309575121996706618, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=河西灌区紫花苜蓿套作玉米品种评价与筛选, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=为优化河西灌区紫花苜蓿-玉米套作体系并筛选适宜玉米品种，本试验以10个玉米（Zea mays L.）品种为材料，比较其在单作和套作条件下的农艺性状、产量及营养品质，结合结构方程模型和多准则决策模型进行综合分析。结果表明：品种、种植模式及其互作对株高、茎粗、有效株数密度、单株鲜重和干物质产量的均有极显著影响（P<0.01）。套作下‘金张掖1706’干物质产量最高（27.12 t·hm⁻²）。‘屯玉168’穗鲜重最高（522.33 g），单株鲜重达到了1.32 kg。‘甘玉23’绿叶数最多，粗蛋白（Crude protein，CP）含量也最高（10.77%）。结构方程模型结果表明不同种植模式下农艺性状对干物质产量和相对饲喂价值（Relative feed value，RFV）的作用路径存在差异。结合多准则决策模型结果，套作体系中玉米品种筛选应综合考虑农艺性状、产量及营养品质，其中‘甘玉23’‘金张掖1706’和‘屯玉168’可作为该区域套作体系的优选品种。, authors=白尚轩¹, 齐帅¹, 王正文¹, 李媛², 陈彦龙¹, 张蓓¹, 殷丽楠¹, 王玲娜¹, 曹文侠¹, authorsList=白尚轩, 齐帅, 王正文, 李媛, 陈彦龙, 张蓓, 殷丽楠, 王玲娜, 曹文侠, authorCompany=1 甘肃农业大学草业学院/草业生态系统教育部重点实验室, 甘肃 兰州 730070;
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