Research Article

Geotechnologies and Soil Mapping for Delimitation of Management Zones as an Approach to Precision Viticulture

Table 2

Physical and chemical parameters of the soil profiles for each horizon.

CXve 3 (profile 1) PBACal 2 (profile 2) PBACal 1 (profile 4) RRha (profile 3)
HorizonteApABBiBCApBt1Bt2BCApBt1Bt2BCA1pA2CR

Thickness (cm)1421408024183771151648712536109
Ca (/kg−1)13.66.186.46.331.91.8103.72.91.511.112.93.1
Mg (/kg−1)3.11.93.94.51.11.30.913.920.90.82.74.11
K (⋅kg−1)0.80.30.30.50.30.20.20.352220.71.51.3
Organic C (g⋅kg−1)27763.7161385.82312105.216154.9
N (g⋅Kg−1)2.30.70.60.41.31.10.70.62.11.210.51.61.50.5
CEC (/kg)211116301212111018111312182013
Bases saturation (%)837679386636273178513021808733
Sum of bases (/kg)178131184331464215174
P (mg/kg)67978208875212913746415
pH in water6.06.05.85.05.45.04.84.85.55.34.84.76.36.04.7
Al exch. (/kg)000110.23430.4157007
Al saturation (%)00058342595231456750063
Gravel (g⋅kg−1)1000000100002060200230250
Clay (g⋅kg−1)400470520610360610590570410460570420260220220
Silt (g⋅kg−1)25020019060310210230220370360290220250310190
Fine sand (g⋅kg−1)1009011014090505060707050110140150110
Coarse sand (g⋅kg−1)25024018019024013013015015011090250350320480
Soil density1.151.11.11.121.321.31.41.41.11.21.21.11.01.1nd
WSC (mm)5.36.917.617.912.74.79.219.96.89.92215.17.97.5nd
S (mg/dm3)6221242120131015474270422
Zn (mg/dm3)4130.41131112731214150.4
Cu (mg/dm3)35118331234341101053971051
B (mg/dm3)0.50.30.30.20.40.10.20.10.71.31.40.30.40.60.4
Mn (mg/dm3)551911645191413572564402516

CEC = capacity for exchangeable cations; WSC = water storage capacity.