THE FLORIDA STATE UNIVERSITY ARTS AND SCIENCES ...

Table 4.20 Continued
Actual Rdn Predicted Rdn Predicted Rdn (L) Error Error (L) % Error % Error (S)
1.281 17.64 4.08 16.36 2.8 1277.05 218.50
0.027 17.57 2.26 17.54 2.23 64974.07 8270.37
17.479 17.58 2.34 0.1 -15.14 0.58 -86.61
0.002 16.96 1.93 16.95 1.93 847900.00 96400.00
0.11 16.96 1.97 16.85 1.86 15318.18 1690.91
0.003 16.53 1.4 16.52 1.4 550900.00 46566.67
0.003 16.71 1.21 16.71 1.21 556900.00 40233.33
0.1107 15.39 -0.07 15.28 -0.18 13802.44 -163.23
0.0401 16.08 6.4 16.04 6.36 39999.75 15860.10
0.1272 16.47 5.93 16.34 5.8 12848.11 4561.95
0.0438 16.4 5.13 16.36 5.08 37342.92 11612.33
0.0124 16.52 5.27 16.5 5.26 133125.81 42400.00
0.1726 14.95 -0.03 14.78 -0.21 8561.65 -117.38
0.0112 15.52 0.14 15.51 0.13 138471.43 1150.00
4.2.9. Texture 9 (Silty Clay)
Texture nine is divided into two groups, the first group comprises of 24 records and is
used for the development of the equations and the second contains 6 records and is used
as an assessment.
Table 4.21 Texture 9, Linear multi-regression using all variables.
Coefficients Estimate Std.Error t-value Significance
Intercept 98.16 23.15 4.24 ***
Bulk Density (g cm -3 ) -16.89 13.15 -1.28
NO3 - Conc ( µg N g -1 soil) -0.88 0.19 -4.7 ***
OC (%) 0.43 0.30 1.42
pH -0.44 0.48 -0.92
Soil Depth (cm) -4.08 0.84 -4.85 ***
Temp (ºC) -0.51 0.07 -7.16 ***
WFP (%) 0.08 0.02 5.01 ***
Signif.Codes Signif.Codes Signif.Codes
0.00 '***' 0.00 '**' 0.01
0.01 '*' 0.05 '.' 0.10
0.10 1.00
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