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Crop Residue Harvest Economics: An Iowa and North Dakota Case Study

机译:作物残渣收获经济学:爱荷华州和北达科他州的案例研究

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摘要

Rigorous economic analyses are crucial for the successful launch of lignocellulosic bioenergy facilities in 2014 and beyond. Our objectives are to (1) introduce readers to a query tool developed to use data downloaded from the Agricultural Research Service (ARS) REAPnet for constructing enterprise budgets and (2) demonstrate the use of the query tool with REAPnet data from two field research sites (Ames, IA, and Mandan, ND) for evaluating short-term economic performance of various biofuel feedstock production strategies. Our results for both sites showed that short-term (<3 years) impacts on grain profitability were lower at lower average annual crop residue removal rates. However, it will be important to monitor longer term changes to see if grain profitability declines over time and if biomass harvest degrades soil resources. Analyses for Iowa showed short-term breakeven field-edge biomass prices of $26–$42 Mg−1 among the most efficient strategies, while results for North Dakota showed breakeven prices of $54–$73 Mg−1. We suggest that development of the data query tool is important because it helps illustrate several different soil and crop management strategies that could be used to provide sustainable feedstock supplies.
机译:严格的经济分析对于木质纤维素生物能源设施在2014年及以后的成功启动至关重要。我们的目标是(1)向读者介绍一种查询工具,该查询工具开发用于使用从农业研究服务(ARS)REAPnet下载的数据来构建企业预算,以及(2)演示将查询工具与来自两个实地研究站点的REAPnet数据一起使用(美国爱荷华州艾姆斯市和北达科他州曼丹市)评估各种生物燃料原料生产策略的短期经济表现。我们对两个站点的结果均表明,在较低的年均农作物残渣清除率下,短期(<3年)对谷物获利能力的影响较低。但是,重要的是要监测长期变化,以查看谷物的获利能力是否会随着时间的推移而下降,以及生物量的收获是否会破坏土壤资源。对爱荷华州的分析显示,最有效的策略之一是短期盈亏平衡的场边生物质价格在26-42美元Mg-1之间,而北达科他州的结果显示盈亏平衡价格在54-73美元Mg-1之间。我们建议开发数据查询工具很重要,因为它有助于说明几种可用于提供可持续原料供应的不同土壤和作物管理策略。

著录项

  • 来源
    《Bioenergy research》 |2014年第2期|568-575|共8页
  • 作者单位

    1.USDA Agricultural Research Service Northern Great Plains Research Laboratory PO Box 459 Mandan ND 58554 USA;

    2.USDA Agricultural Research Service National Laboratory for Agriculture and the Environment Ames IA USA;

    1.USDA Agricultural Research Service Northern Great Plains Research Laboratory PO Box 459 Mandan ND 58554 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Enterprise budgets Feedstock costs REAPnet analysis;

    机译:企业预算原料成本REAPnet分析;

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