不同氮素水平对油麦菜栽培效果的综合评价分析  

Comprehensive Evaluation Analysis on Cultivation Effects of Lettuce under Different Nitrogen Levels

作　　者：林俊芳[1,2] 林义章[1,2] 丘武昌[1] 汪镇坤[1] 钟凤林[1,2] 林碧英[1] 

机构地区：[1]福建农林大学园艺学院,福州350002 [2]福建农林大学蔬菜研究所,福州350002

出　　处：《热带亚热带植物学报》2013年第5期432-438,共7页Journal of Tropical and Subtropical Botany

基　　金：福建省科技重大专项(2008NZ0002-1);福建省科技重点项目(2009N1003);福建省蔬菜产业技术体系项目(2010005);2012国家大学生创新性实验项目(2012103890005);2012年福建省大学生创新性实验项目(1FJCX1108)资助

摘　　要：为探讨不同氮素水平的硝态氮与铵态氮对油麦菜(Lactuca sativa L.)生长及品质的影响,自主设计并制作了适合蔬菜水培的立体管道栽培系统,配制了NO3–:NH4+=10:0,NO3–:NH4+=7:1,NO3–:NH4+=7:3的营养液,通过模糊数学原理,采用层次分析法(AHP)确定品质的权重值,综合评价了不同氮素水平对油麦菜的栽培效果。结果表明,以NO3–:NH4+=7:3营养液的栽培效果最好,其次是NO3–:NH4+=7:1。当营养液的NO3–:NH4+=7:3时,油麦菜的产量最高,叶片叶绿素、可溶性糖、可溶性蛋白质含量最高,硝酸盐含量最少,其综合品质最好。层次分析法对油麦菜不同氮素水平营养液的栽培效果的综合评价有较好的适用性,有助于获得南方设施管道栽培油麦菜最佳的营养液配方。In order to understand dimensional pipeline cultivation the effects of different nitrogen levels on lettuce growth and qualities, the three- system, suitable for vegetables hydroponics, was designed independently and produced, nutrient solution of NO3 ： NH4＋ = 10 ： 0, NO3-： NH4＋ = 7 ： 1, NO3- ： NH4＋ = 7 ： 3 were prepared, respectively, and then cultivation effects of lettuce （Lactuca sativa L.） under different nitrogen levels were comprehensively evaluated by using fuzzy mathematics theory, and the analytic hierarchy process （AHP） to determine the weights of lettuce quality. The results showed that cultivation effect was the best with nutrient solution of NO3- ： NH4＋ = 7 ： 3, followed by NO3 ： NH4＋ = 7 ： 1. Cultured with NO3- ： NH4＋ = 7 ： 3, the yield of lettuce, contents of chlorophyll, soluble sugar, soluble protein in leaves were the highest, and nitrate content was at least, so that the comprehensive quality was the best. Therefore, AHP has a better applicability for synthetically evaluate the cultivation effect of lettuce under different nitrogen levels, which helps to get the optimum nutrient solution in south facility pipeline for lettuce cultivation.

关 键 词：油麦菜 铵态氮 硝态氮 综合品质 层次分析法 模糊综合评判 

分 类 号：S636.9[农业科学—蔬菜学]