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园艺学报 ›› 2013, Vol. 40 ›› Issue (4): 623-.

• 果树 • 上一篇    下一篇

红壤甜橙园土壤和叶片营养元素相关性分析

 唐玉琴, 彭良志, 淳长品, 凌丽俐, 方贻文, 严翔   

  1. (1 西南大学柑桔研究所,重庆 400712;2 国家柑桔工程技术研究中心,重庆 400712;3 江西省脐橙研究所,江西赣
    州 341000)
  • 出版日期:2013-04-25 发布日期:2013-04-25

Correlation Analysis on Nutrient Element Contents in Orchard Soils and Sweet Orange Leaves in Southern Jiangxi Province of China

 TANG  Yu-Qin, PENG  Liang-Zhi, CHUN  Chang-Pin, LING  Li-Li, FANG  Yi-Wen, YAN  Xiang   

  1. (1Citrus Research Institute,Southwest University,Chongqing 400712,China;2National Citrus Engineering Research
    Center,Chongqing 400712,China;3Navel Orange Research Institute,Ganzhou,Jiangxi 341000,China)
  • Online:2013-04-25 Published:2013-04-25

摘要: 于2010 年和2011 年在江西省安远县和寻乌县这两大赣南甜橙生产县,共采集181 个红壤枳
砧甜橙园的土壤样品和叶片样品,进行营养元素含量测定,并对土壤和叶片相应营养元素含量进行相关
性分析,为评价测土配方施肥是否适宜红壤甜橙园提供依据。结果表明:土壤碱解氮、交换性钙、交换
性镁、有效铁和有效锌的丰缺状况在甜橙叶片对应营养元素丰缺水平上能得到一定程度的反映;土壤有
效钾、有效磷、有效铜和有效硼的状况则难以在甜橙叶片对应营养元素丰缺水平上得到反映。相关性分
析结果显示,只有2010 年安远县甜橙园土壤有效Zn 含量与叶片Zn 含量呈显著正相关(P < 0.05),其余
土壤有效营养元素含量与叶片对应营养元素含量之间均无显著相关性。表明测土配方施肥不适宜红壤甜
橙园,建议实行以叶片营养诊断为主、土壤诊断为辅的配方施肥策略。

关键词: 甜橙, 果园, 土壤营养元素, 叶片营养元素, 相关性

Abstract: Both soil and leaf samples were collected from 181 red soil orchards of sweet orange
grafted on trifoliate orange[Poncirus trifoliata(L.)] rootstocks in Anyuan and Xunwu,the two biggest
citrus production counties in southern Jiangxi Province of China,and then analyzed for their nutrient
element contents in 2010 and 2011. The aim was to realize relationship between soil and leaf nutrient
elements and to provide the possibilities of formulated fertilization based on soil testing in sweet orange
orchards in red soil areas. The results showed that the contents of available soil nutrient elements such as
nitrogen(N),calcium(Ca),iron(Fe),magnesium(Mg)and zinc(Zn)in orchard soils could reflect,
to some extent,the contents of corresponding nutrients in citrus leaves. A significant positive correlation
(P < 0.05)was found between the contents of available Zn in soils and Zn contents in leaves in Anyuan
county in 2010. However,the contents of soil available potassium(K),phosphorus(P),copper(Cu)
and boron(B)correlated nonsignificantly with the contents of the corresponding nutrients in leaves. Therefore,formulated fertilization by soil testing is not suitable for sweet orange orchards in red soil areas.
It is suggested that formulated fertilization should be mainly based on leaf diagnosis and supplemented by
soil testing.

Key words: sweet orange, orchard, soil nutrient element, leaf nutrient element, correlation

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