7Nocita M, Kooistra L, Bachmann M, et al.Predictions of soil surface and topsoil organic carbon content through the use of la- boratory and field spectroscopy in the albany thicket biome of eastern cape province of south africa [ J ]. Geoderma, 2011,167 (2) : 295-302.
8Mouazen A, Kuang B, De Baerdemaeker J, et al. Comparison among principal component, partial least squares and back prop- agation neural network analyses for accuracy of measurement of selected soil properties with visible and near infrared spectros- copy[ J ] .Geoderma, 2010,158 ( 1 ) :23-31.
9O'rourke S M,Holden N M.Determination of soil organic matter and carbon fractions in forest top soils using spectral data acquired from visible-near infrared hyperspectral images [ J] .Soil Science Society of America Journal ,2012,76(2) :586.
