构建河套灌区大规模盐碱地改良效果评估指标体系
构建河套灌区大规模盐碱地改良效果评估指标体系
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MA Guiren , WANG, Liping , QU Zhongyi , JIA Yonglin and WANG, Yuhan
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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【目的】建立科学、系统、实用的大规模盐碱地改良效果评估指标体系,为河套灌区盐碱地改良评估工作提供依据。【方法】依托五原县隆兴昌镇3 333 hm2 改盐增草(饲)兴牧试验示范项目,通过梳理参与盐碱地改良的不同主体单位的出发点和预期效果,对其进行分类处理,为其配备合理、有效、经济可行的评估指标,采用改良德尔菲法确定盐碱地改良效果评估指标体系权重,并构建分目标赋权打分方法细则,实现对不同评价目标和不同对象群体改良效果评估指标体系的构建。【结果】通过对评估对象梳理分析将参与项目实施工作的主体单位分为以下3类:①施用土壤改良产品或模式展示改良效果的企业、②以新型改良产品和方式进行试验和对照的科研院所;③大面积流转土地进行经营性活动的企业。结合3类主体单位制定出2类评估体系:第一类体系服务对象为施用土...
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构建河套灌区大规模盐碱地改良效果评估指标体系
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TN_cdi_wanfang_journals_ggps202008009
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202008009
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ISSN
1672-3317
DOI
10.13522/j.cnki.ggps.2019285