武功山山地草甸土壤养分的初步分析  

Preliminary Analysis of Wugong Mountain Meadow Soil Nutrients

作　　者：孙佩[1] 袁知洋 邓邦良 孙志国[5] 郭晓敏[3,4] 

机构地区：[1]湖北大学资源环境学院,湖北武汉430000 [2]湖北省地质科学研究院,湖北武汉430034 [3]江西农业大学园林与艺术学院,江西南昌330045 [4]江西农业大学江西省森林培育重点实验室,江西南昌330045 [5]湖北科技学院资源与环境科学工程学院,湖北咸宁437100

出　　处：《资源环境与工程》2017年第3期288-294,共7页Resources Environment & Engineering

基　　金：国家科技支撑计划项目(2012BAC11B06);国家自然科学基金项目(31360177);国家自然科学基金项目(31560150)

摘　　要：以江西省萍乡市武功山核心景区的金顶—吊马桩一带的区块状山地草甸为研究对象,在对武功山金顶景区草甸土壤上(0~20 cm)、下(20~40 cm)两层土壤进行采样并运用ASI土壤养分状况系统分析法测定,采用常规统计分析得出结论:试验区草甸土壤总体偏酸性,土壤大体属于2类有机质土壤,在含量变幅上除了有机质、速效钾、有效镁、有效硼、有效硫的含量较为稳定,其他养分元素均出现较大变幅,两层土壤养分的变异除pH值外,均出现中度或者重度变异,以中度变异为主,其中硝态氮、有效磷和有效钙在两层土壤均出现了重度变异,说明土壤中的主要养分含量大都发生了局部不稳定状况,两层土壤养分指标中发生养分偏斜的多于未偏斜的;基于ASI土壤养分分析系统的分级状况,发现只有草甸土壤中的速效氮(铵态氮和硝态氮之和)、有效铁、有效硫在土壤的上下两层均表现为较为丰富的状况,以及有效锌在上层草甸土的含量较为丰富,草甸土壤中的其他土壤养分元素含量总体处于偏低水平,且过半养分含量处于严重缺乏的水平。The authors study on the meadow soil from Jinding to Diaomazhuang of Wugong Mountain core scenic spot in Pingxiang City,Jiangxi Province,takes upper soil（0 ~ 20 cm） and subsoil（20 ~ 40 cm） of Wugong Mountain Jinding meadow as sample and measures them using ASI.Through conventional statistical analysis and the conclusions are as follows：the experimental zone meadow soil,on the whole,is partial acid,generally belong to Class 2 of organic soil,in content amplitude except organic matter,available potassium,effective magnesium,effective boron,effective sulfur content are relatively stable,other nutrient elements have a large amplitude.Two layers of soil nutrients variation on besides the p H in moderate or severe variation,which is given priority to with moderate variation,including nitrate nitrogen,the calcium in two layers soil effective phosphorus and effective appeared severe variation,showing that the main nutrient content in soil mostly exist unstable situation,the nutrient deviation in two layers soil nutrient index of slightly more than not skewed;based on ASI soil nutrient analysis system of hierarchical situation,most soil nutrient element content of meadow test sample in general are at low levels,expect available nitrogen,（sum of ammonium nitrogen and nitrate nitrogen）,effective iron,effective sulfur in the vertical depth of meadow soil are characterized by relatively rich conditions,effective zinc content is relatively rich in the upper meadow soil,compared to the ideal condition of lower level,other nutrient elements are in different levels of lacking,and more than half of them are in a state of severe shortage.

关 键 词：武功山草甸 土壤养分 含量 统计 

分 类 号：S158.3[农业科学—土壤学]