[1] [1] Dalal R, Henry R. Soil Sci. Soc. Am. J, 1986, 50: 120.

[5] [5] He Yong, Huang Min, Garcia A. Computers and Electronics in Agriculture, 2007, 58(2): 144.

[6] [6] Mouazen A M, Kuang B, De Baerdemaeker J. Geoderma, 2010, 158(2): 23.

[7] [7] Williams P C. Soil Science of American Journal, 1975, 52: 561.

[8] [8] Ben-Dor E, Banin A. Soil Science of American Journal, 1995, 59(2): 364.

[9] [9] Bogrekci I, Lee W S. Transactions of the ASABE, 2005, 48(5): 1971.

[10] [10] Minasny R, Alex B M, Veronique B M. Geoderma, 2011, 167: 118.

[11] [11] Bowers S A. Soil Science, 1965, 100: 130.

[12] [12] Brichlemyer R S, Brown D J. Computers and Electronics in Agriculture, 2010, 70(2): 209.

[13] [13] James B, Reeves III. Geoderma, 2010, 158: 3.

[14] [14] Mouazen A M, karoui R, De B. Food and Bioprocess Technology, 2009, 59(2): 1.