鄂西会战 [鄂西南蚕区桑园立体种植模式经济效益评价初探]
摘要。分析比较了4种桑园立体种植模式的经济效益,并对4种模式进行了综合评价。结果表明,在西红柿、生姜、玉米、甘薯4种套种作物中,套种生姜的经济效益最优,单位耕地面积作物产值达91539元/hm2,土地生产率达135289元/hm2,有效能量产投比达3.6∶1.0。套种玉米对桑叶产量有不良影响,桑园全年产叶量仅为14000kg/hm2;套种生姜的桑园全年产叶量最高,为17500kg/hm2。不同桑园立体种植模式总体评价结果是桑树/生姜>桑树/西红柿>桑树/甘薯>桑树/玉米。
关键词:桑园;立体种植;经济效益
中图分类号:S888.4;S344.2;F307.3文献标识码:A文章编号:0439-8114(2011)12-2474-04
economicevaluationofthree-dimensionalplantingpatternsinmulberryfield
inhubeisouthwest
LIYong,DENGWen,YEChu-hua,HUXing-ming
(IndustrialCropsInstitute,HubeiAcademyofAgriculturalSciences,Wuhan430070,China)
Abstract:Theeconomicandcomprehensivevaluationofthe4kindsofthree-dimensionalplantingpatternsinmulberryfieldwasanalyzedandcompared.Theresultsshowedthattheeconomicevaluationofintercroppinggingerwasbetterthantheother3kindsofintercropping,tomato,cornandbatata.Theoutputofintercroppinggingerwas91539RMB/hm2,thelandproductivitywas135289RMB/hm2,andtheeffectiveenergyVCRwas3.6∶1.0.Theintercroppingofcornwasharmfultomulberryastheyearlyproductionofmulberryleaveswasonly14000kg/hm2.Theyearlymulberryproductionofintercroppinggingerwas17500kg/hm2,whichwasthehighestinthe4patterns.Theevaluatingresultsofthe4mulberryplantingpatternsshowedthattheeconomiceffectivenesswasmulberry/ginger>mulberry/tomato>mulberry/batata>mulberry/corn.
Keywords:mulberry;three-dimensionalplanting;economiceffect
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