Modelling the Effects of Soil Conditions on Olive Productivity in Mediterranean Hilly Areas

Table 4

Regressions between olive fruit yield and external factors . Coefficients of determination and statistical significance are also presented. Models are sorted in descending order of .

Yield vs. parameters	Model		<
Krootzone		0.68	0.001
Total Nrootzone		0.58	0.000
Soil depth		0.56	0.000
Ktopsoil		0.47	0.000
Mineral Nrootzone		0.44	0.001
Brootzone		0.41	0.001
Prootzone		0.27	0.023
Slope		0.21	0.009
Altitude		0.19	0.01
Soil organic matter in topsoil		0.05	0.14