KARL V,MARIA J P,RAFAELA O,et al.Spatiotemporal evolution of soil pH and zinc after the aznalcóllar mine spill[J].Journal of Environmental Quality,2006,35 (1): 13-37.
ZENG F,ALI S,ZHANG H,et al.The influence of pH and organic matter content in paddy soil on heavy metal availability and their uptake by rice plants[J].Environmental Pollution,2011,159(1): 84-91.
HéDL R,PETíK P,BOUBLíK K.Long-term patterns in soil acidification due to pollution in forests of the Eastern Sudetes Mountains[J].Environmental Pollution,2011,159(10): 2586-2593.
[16]
BOR?KA L,MLáDKOVá L,PENí?EK V,et al.Forest soil acidification assessment using principal component analysis and geostatistics[J].Geoderma,2007,140(4): 374-382.
[17]
AKSELSSON C,HULTBERG H,KARLSSON P E,et al.Acidification trends in south Swedish forest soils 1986-2008—slow recovery and high sensitivity to sea-salt episodes[J].Science of the Total Environment,2013,444: 271-287.
OVALLES F A,COLLINS M E.Soil-landscape relationships and soil variability in north central Florida[J].Soil Science Society of America Journal,1986,50(2): 401-408.