Title: Field Scale Spatial Variation of Available Phosphorus in Bleached Paddy Soil:A Case Study of Chengdong Village,Mingshan County
Abstract:The spatial variation pattern and its determinants were investigated by employing basic statistical methodologies and GIS technique.Data is referred to agro-chemistry assay for available phosphorus of...The spatial variation pattern and its determinants were investigated by employing basic statistical methodologies and GIS technique.Data is referred to agro-chemistry assay for available phosphorus of 44 top(0-20 cm) bleached paddy soil samples.Data analyses show that the soil contains 16.51 ± 15.85 mg/kg of available phosphorus,which exhibits strong variability;besides,spatial interpolation result has a massive distribution with the available phosphorus showing a medium spatial correlation.As to the determinants of content of available phosphorus,correlation analysis reveal that the pH value and aspect are insignificant factors,but slope and elevation are significant,with slope a negative factor and elevation a positive one.It also suggests that organic matter has a role in determining the content of available phosphorus.Read More
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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