果园土壤中、微量元素含量及其与pH值、有机质含量的关系.pdf

河南农业科学,2015,44(5):77-80 Journal of Henan Agricultural Sciences doi:10.15933/ ki.1004-3268.2015.05.018 果园土壤中、微量元素含量及其与pH值、 有机质含量的关系 1 2 2 3 1 1 林万树 ,沈金泉 ,黄功标 ,王守春 ,林巧亨 ,李敏青 (1.福建省古田县土肥技术站,福建 古田352200;2.福建省农田建设与土壤肥料技术总站,福建 福州350003; 3.福建省古田县城西街道农业技术推广站,福建 古田352200) 摘要:为了解古田县果园土壤钙、镁、硼、锌含量状况,探讨了果园土壤钙、镁、硼、锌含量及其与土 壤有机质含量、pH值之间的关系。 结果表明,古田县果园土壤有机质含量为25.4 g/ kg,交换性镁 含量为422.1mg/ kg,总体均处于丰富水平;交换性钙含量为226.1mg/ kg,有效硼含量为0.15 mg/ kg, 均处于严重缺乏水平;有效锌含量为1.22 mg/ kg,总体处于适宜及其以下水平;土壤pH值为5.1, 处于酸性水平。 土壤中交换性钙、镁含量及有效硼、锌含量均与土壤有机质含量、pH值呈显著或极 显著正相关。 因此,增施有机肥、改良土壤酸度是改善供试果园土壤钙、镁、硼、锌养分供应的主要 措施。 关键词:果园;土壤;养分含量;pH值;相关性 中图分类号:S158.3　 　 文献标志码:A　 　 文章编号:1004 -3268(2015)05-0077 -04 Medium and Trace Elements Content and Its Relationship with pH Value,Organic Matter Content in Orchard Soil 1 2 2 3 1 1 LIN Wanshu ,SHENJinquan ,HUANG Gongbiao ,WANG Shouchun ,LIN Qiaoheng ,LI Minqing (1.Gutian County Soil and Fertilizer Technology Station,Gutian352200,China; 2.Fujian Farmland Construction,Soil and Fertilizer Technology Terminus,Fuzhou350003,China; 3.Gutian County West Street Agrotechnical Station,Gutian352200,China) Abstract:Inordertounderstandthesoil Ca,Mg,B,Zncontentsinorchardof Gutiancounty,therelation- ships between Ca,Mg,B,Zn contents and organic matter content,pH value were studied. The results showedthatsoilorganicmattercontentwas25.4 g/ kg,exchangeableMgcontentwas422.1mg/ kg,which were all in rich level;exchangeable Ca content was226.1mg/ kg,effective B content was0.15 mg/ kg, which were all in a seriouslack level;effectiveZn content was 1.22 mg/ kg,which overallwasin the ap-