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Analysis of economic benefit of different irrigation techniques for potatoes planted in sandy soil
Authors
弋翠
汪有科
Publication date
1 January 2008
Publisher
Abstract
从投资回收期和益本比2个方面,对靖边县沙地马铃薯半固定式喷灌、滴灌、大型喷灌机喷灌3种灌溉方式进行经济效益分析,在经济分析的基础上,采用层次分析法,对3种灌溉方式进行综合效益评价。结果表明,半固定式喷灌、滴灌、大型喷灌机喷灌的投资回收期分别为2.1 a,0.6 a,0.9 a,效益费用比分别为2.6,7.9,7.6,滴灌的经济效益十分明显;3种灌溉方式的优劣排序为:滴灌最好,半固定式喷灌次之,大型喷灌机喷灌较差
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018