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专用能源作物生产前景及对农业秸秆利用的态度:以畜牧养殖户为例。

Prospects for dedicated energy crop production and attitudes towards agricultural straw use: The case of livestock farmers.

作者信息

Wilson P, Glithero N J, Ramsden S J

机构信息

Division of Agricultural and Environmental Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham LE12 5RD, UK.

出版信息

Energy Policy. 2014 Nov;74:101-110. doi: 10.1016/j.enpol.2014.07.009.

Abstract

Second generation biofuels utilising agricultural by-products (e.g. straw), or dedicated energy crops (DECs) produced on 'marginal' land, have been called for. A structured telephone survey of 263 livestock farmers, predominantly located in the west or 'marginal' upland areas of England captured data on attitudes towards straw use and DECs. Combined with farm physical and business data, the survey results show that 7.2% and 6.3% of farmers would respectively consider growing SRC and miscanthus, producing respective maximum potential English crop areas of 54,603 ha and 43,859 ha. If higher market prices for straw occurred, most livestock farmers would continue to buy straw. Reasons for not being willing to consider growing DECs include concerns over land quality, committing land for a long time period, lack of appropriate machinery, profitability, and time to financial return; a range of moral, land quality, production conflict and lack of crop knowledge factors were also cited. Results demonstrate limited potential for the production of DECs on livestock farms in England. Changes in policy support to address farmer concerns with respect to DECs will be required to incentivise farmers to increase energy crop production. Policy support for DEC production must be cognisant of farm-level economic, tenancy and personal objectives.

摘要

人们呼吁使用农业副产品(如秸秆)或在“边际”土地上种植的专用能源作物(DEC)来生产第二代生物燃料。一项针对263名牲畜养殖户的结构化电话调查收集了他们对秸秆使用和DEC的态度数据,这些养殖户主要分布在英格兰西部或“边际”高地地区。结合农场的实际情况和业务数据,调查结果显示,7.2%和6.3%的养殖户分别会考虑种植柳树矮林和芒草,各自的最大潜在英国种植面积分别为54,603公顷和43,859公顷。如果秸秆市场价格上涨,大多数牲畜养殖户会继续购买秸秆。不愿考虑种植DEC的原因包括对土地质量的担忧、长期占用土地、缺乏合适的机械设备、盈利能力以及资金回报时间;还提到了一系列道德、土地质量、生产冲突和缺乏作物知识等因素。结果表明,在英格兰的牲畜养殖场生产DEC的潜力有限。需要改变政策支持,以解决养殖户对DEC的担忧,激励养殖户增加能源作物的产量。对DEC生产的政策支持必须考虑到农场层面经济、租赁和个人目标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2f0b/4375795/33bc30fb7f2e/gr1.jpg

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