impact of farmers' organic farming practices on soil properties in ...

Table 8. Physical properties <strong>of</strong> soils under vineyard system
Code Depth (cm)
Organic
<strong>farming</strong>
Bulk density (Mg/m 3 ) Maximum water holding capacity (%)
Conventional
<strong>farming</strong>
% decrease
over
conventional
<strong>farming</strong>
Organic
<strong>farming</strong>
Conventional
<strong>farming</strong>
% increase
over
conventional
<strong>farming</strong>
Water stable aggregates (%)
(>0.25 mm)
% increase
Organic
<strong>farming</strong>
Conventional
<strong>farming</strong>
over
conventional
<strong>farming</strong>
V1 0-15 1.42 1.48 4.05 69.92 64.94 7.67 81.70 80.00 2.13
15-30 1.46 1.59 8.17 70.28 66.53 5.64 78.80 77.30 1.94
Mean 1.44 1.53 6.20 70.10 65.73 6.64 80.25 78.65 2.03
V2 0-15 1.38 1.48 6.75 71.48 64.94 10.07 84.20 80.00 5.25
15-30 1.42 1.59 10.69 73.91 66.53 11.09 81.40 77.30 5.30
Mean 1.40 1.53 8.72 72.69 65.73 10.50 82.80 78.65 5.28
V3 0-15 1.36 1.48 8.10 68.28 64.94 5.14 85.10 80.00 6.37
Average <strong>of</strong> V1
– V3
15-30 1.39 1.59 12.57 69.72 66.53 4.79 82.40 77.30 6.59
Mean 1.37 1.53 10.45 68.00 65.73 3.45 83.75 78.65 6.48
0-15 1.39 1.48 6.10 69.89 64.94 7.62 83.70 80.70 4.60
15-30 1.42 1.59 9.40 71.30 66.73 6.84 80.86 77.30 4.70
Mean 1.41 1.53 7.80 70.59 65.73 7.40 82.3 78.65 4.60