Abstract:Nitrogen (N) and phosphorus (P) are essential elements for crop growth. The study on the spatial differentiation characteristics of soil N and P can provide a theoretical basis for regional fertilization as well as prevention and control of agricultural surface pollution. Taking the typical mollic epipedon area in Northeast China as study area, using the geostatistical model and 3S technology (Remote Sensing, RS; Geography information systems, GIS; and Global positioning systems, GPS), the spatial variation an… Show more
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