摘要
为了使贵州省地区级农业部门能够充分了解土壤养分的空间分布特性,深入地了解农田土壤养分状况,从而为其科学施肥、养分的分区管理和有效控制农田养分流失提供一定的理论和科学依据,以贵州省黔东南州黄平县为研究区域,运用地统计学结合GIS方法,针对土壤养分中全氮、有机质、速效钾和速效磷4种养分要素,对研究区内农田土壤养分空间变异特征进行研究,并通过分析得出了该县以上4种土壤养分的空间分布规律和丰缺状况。
The spatial variation characteristics of total nitrogen,organic matter,active potassium and active phosphorus in farmland soils were studied by GIS and geostatistics to provide the theoretical and scientific basis for rational application,nutrients management and effective control of farmland nutrients loss in Huangping County.The paper reports the spatial distribution regulation of total nitrogen,organic matter,active potassium and active phosphorus and their abundant and deficiency conditions in Huangping County.
出处
《贵州农业科学》
CAS
北大核心
2009年第9期120-124,共5页
Guizhou Agricultural Sciences
基金
贵州省重大科技攻关项目"主要农作物测土配方施肥技术集成与转化应用"[黔科合2007(6008)]
关键词
GIS
地统计学
全氮
有机质
速效钾
速效磷
空间变异
GIS
geostatistics
total nitrogen
organic matter
active potassium
active phosphorus
spatial variability
