红壤旱地多熟种植系统的综合效益评价.doc

红壤旱地多熟种植系统的综合效益评价 第26卷第8期 2006年8月 生态 ACTAECOLOGICASINICA Vo1.26.No.8 Aug.,2006 红壤旱地多熟种植系统的综合效益评价 黄国勤,刘秀英,刘隆旺,叶方,张明林,苏艳红 (江西农业大学生态科学研究中心,南昌330045) 摘要:采用加权灰色关联聚类分析的方法,按生态效益,经济效益和社会效益的各项指标,对1984～2004年在江西农业大学农 学试验站红壤旱地上进行的多元多熟种植系统定位对比试验中筛选出的23种多熟种植系统的综合效益进行了定量分析和聚 类评价.结果表明:白菜/马铃薯/玉米一芝麻关联度值最大,灰色聚类为优;生态,经济,社会效益最高,明显优于其他种植系 统.适合于大面积推广,是红壤旱地增产,增收,增效和维持农业可持续发展的优化模式;油菜ll紫云英/玉米/玉米ll绿豆次 之.适合在劳动力相对充足的城郊红壤旱作区推广,以上两种种植模式对今后红壤旱作区种植业结构布局的调整和种植模式的 优化具有积极意义. 关键词:红壤旱地;多熟种植;灰色关联;聚类分析;综合评价 文章编号:1000-0933(2006)08—2532—08中图分类号:S181文献标识码:A Evaluationoncomprehensivebenefitsofmultiplecroppingsystemsonuplandredsoil HUANGGuo—Qin,LIUXiu—Ying,LIULong—Wang,YEFang,ZHANGMing—Ling,SHUYah—Hong(ResearchCenterm EcologicalScience,JiangxiAgricultralUniversityNanchang330045,China)ActaEcoiogicaSinamp;a,20O6,26(8):2532—2539- Abstract:Thedevelopmentofmulti—componentandmultiplecroppingsystemsisreviewed,andtheircomprehensivebenefitsare criticallyevaluated.Thetheoriesunderpinninguseofmultiplecroppingsystemshavematured,andtheapproachiswidely acceptedandpracticedbecauseofitspotentialroleinsustainableagnculture.However,researchevaluatingitscomprehensive benefitsandoptimizationofsystemmodelsarestillatanearlystage.Itisdifficulttoevaluatethecomprehensivebenefitsbecause ofthecomplexityanddiversityoftheecosystem.Thereforeanevaluationindicatorsystemformulti—componentandmultiple croppingsystemswassetupaccordingtotheprinciplesandmethodsofecologyandsystemengineering,andgreyrelation clusteringanalysisusedtoevaluatethecomprehensivebenefitsofmulti—componentandmultiplecroppingsystems.Finally screeningallowedidentificationoftheoptimizedmodel,basedonorientatingexperienceswithuplandredsoilatJiangxi AgriculturalUniversityfrom1984to2004.Theresultsshowedthatthegreyrelationdegreeofcabbage/potato/maize—sesamewas highestamong23multi—componentandmultiplecroppingsystems,andcorrespondedtotheoptimizedsystem.Itprovidesoptimal social.economicandecologicalbenefits,baseduponimprovedyieldsandfarmersincomewhileachievingsustainable developmentofag