干旱半干旱地区农业科技推广模式的杨凌实践与优化对策

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关键词干旱半干旱地区；农业科技推广；杨凌实践；优化对策

中图分类号S-3文献标识码A

文章编号 0517-6611（2025）16-0220-05

doi：10.3969/j.issn.0517-6611.2025.16.047

AbstractTakingtheYaglingemonstratonZneasacasestudy，tisarticledelvesintoagriculturaltechologpromotionmodelsinaid andemi-aidUedscheoetaiiegtiodda aticevaluationofteoperatioalstatusofYanglingAgiculturalchologDmostrationandPromotionBassasonducted.efidings revealsigtalodii gessuchaindeqateaagntstesndisutfudingccodinglsdyoposgeedtatesdinging policysuptgalss，dtrftioloros’id advance agricultural modernization in arid and semi-arid regions.

Key WordsArid and semi-arid region;Agricultural technology promotion; Yangling practice;Optimization strategi

面向我国干旱半干旱地区开展农业科技示范推广工作是国家赋予杨凌示范区的历史使命[1]。（剩余10120字）