uDiffuse Reflectance Spectroscopy (DRS) is important for Qualitative and quantitative assessment of physical and chemical soil properties.

uThe accuracy of statistical approaches such PLSR predictions in each of the spectral regions varied considerably amongst soil properties.

uA major advantage of DRS for soil analysis is that from a single spectrum many properties may be accurately determined.

uBy the application of DRS, there is a possibility for cost, labour savings and increased efficiency over conventional laboratory analysis.

uDRS technique is rapid, making it possible to analyze a large number of samples in a practical and timely manner.

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