Table 1: Initial soil physical and chemical characteristics in the experimental parcel (year 2000).

Soil parameter

Sand (2–0.05 mm) (g 100 g−1)68.1
Silt (0.05–0.002 mm) (g  100 g−1)14.8
Clay (<0.002 mm) (g 100 g−1)17.1
pH (1 : 2.5 soil : water)6.6
Organic matter (Walkley-Black) (g 100 g−1)1.29
C/N9.18
Phosphorus (Olsen) (mg kg−1)186
Potassium (ammonium acetate extract) (mg kg−1)168
Calcium (ammonium acetate extract) (mg kg−1)1381
Magnesium (ammonium acetate extract) (mg kg−1)150