聚类分析在测土配方施肥中的应用  

Application of cluster analysis in soil testing and formulated fertilization

作　　者：陆宏[1] 

机构地区：[1]慈溪市农业监测中心,浙江慈溪315300

出　　处：《中国土壤与肥料》2012年第1期99-102,共4页Soil and Fertilizer Sciences in China

基　　金：农业部测土配方施肥资金补贴项目(2007)

摘　　要：对浙江省慈溪市2007～2009年2 043个耕地土样的有机质、全氮、碱解氮、有效磷和速效钾含量进行了聚类分析,将慈溪市耕地养分划成5个类型区,根据各类型区特点,提出了相应的作物配方施肥建议。This research was conducted in Cixi county of Zhejiang province. 2 043 samples of cropland were collected in this area in 2007 - 2009. Applied to the hierarchical clustering methods, five types had been established based on the content of the organic matter, total N, available N, available P and available K. The formulated fertilization of relative crop was sug- gested according to the type＇s nature.

关 键 词：聚类分析 耕地养分 配方施肥 慈溪市 

分 类 号：S147.2[农业科学—肥料学]