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) | Horizonte | Ap | AB | Bi | BC | Ap | Bt1 | Bt2 | BC | Ap | Bt1 | Bt2 | BC | A1p | A2 | CR |
| Thickness (cm) | 14 | 21 | 40 | 80 | 24 | 18 | 37 | 71 | 15 | 16 | 48 | 71 | 25 | 36 | 109 | Ca (/kg−1) | 13.6 | 6.1 | 8 | 6.4 | 6.3 | 3 | 1.9 | 1.8 | 10 | 3.7 | 2.9 | 1.5 | 11.1 | 12.9 | 3.1 | Mg (/kg−1) | 3.1 | 1.9 | 3.9 | 4.5 | 1.1 | 1.3 | 0.9 | 1 | 3.9 | 2 | 0.9 | 0.8 | 2.7 | 4.1 | 1 | K (⋅kg−1) | 0.8 | 0.3 | 0.3 | 0.5 | 0.3 | 0.2 | 0.2 | 0.3 | 5 | 2 | 2 | 2 | 0.7 | 1.5 | 1.3 | Organic C (g⋅kg−1) | 27 | 7 | 6 | 3.7 | 16 | 13 | 8 | 5.8 | 23 | 12 | 10 | 5.2 | 16 | 15 | 4.9 | N (g⋅Kg−1) | 2.3 | 0.7 | 0.6 | 0.4 | 1.3 | 1.1 | 0.7 | 0.6 | 2.1 | 1.2 | 1 | 0.5 | 1.6 | 1.5 | 0.5 | CEC (/kg) | 21 | 11 | 16 | 30 | 12 | 12 | 11 | 10 | 18 | 11 | 13 | 12 | 18 | 20 | 13 | Bases saturation (%) | 83 | 76 | 79 | 38 | 66 | 36 | 27 | 31 | 78 | 51 | 30 | 21 | 80 | 87 | 33 | Sum of bases (/kg) | 17 | 8 | 13 | 11 | 8 | 4 | 3 | 3 | 14 | 6 | 4 | 2 | 15 | 17 | 4 | P (mg/kg) | 67 | 9 | 7 | 8 | 20 | 8 | 8 | 7 | 52 | 12 | 9 | 13 | 74 | 64 | 15 | pH in water | 6.0 | 6.0 | 5.8 | 5.0 | 5.4 | 5.0 | 4.8 | 4.8 | 5.5 | 5.3 | 4.8 | 4.7 | 6.3 | 6.0 | 4.7 | Al exch. (/kg) | 0 | 0 | 0 | 11 | 0.2 | 3 | 4 | 3 | 0.4 | 1 | 5 | 7 | 0 | 0 | 7 | Al saturation (%) | 0 | 0 | 0 | 58 | 3 | 42 | 59 | 52 | 3 | 14 | 56 | 75 | 0 | 0 | 63 | Gravel (g⋅kg−1) | 10 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 20 | 60 | 200 | 230 | 250 | Clay (g⋅kg−1) | 400 | 470 | 520 | 610 | 360 | 610 | 590 | 570 | 410 | 460 | 570 | 420 | 260 | 220 | 220 | Silt (g⋅kg−1) | 250 | 200 | 190 | 60 | 310 | 210 | 230 | 220 | 370 | 360 | 290 | 220 | 250 | 310 | 190 | Fine sand (g⋅kg−1) | 100 | 90 | 110 | 140 | 90 | 50 | 50 | 60 | 70 | 70 | 50 | 110 | 140 | 150 | 110 | Coarse sand (g⋅kg−1) | 250 | 240 | 180 | 190 | 240 | 130 | 130 | 150 | 150 | 110 | 90 | 250 | 350 | 320 | 480 | Soil density | 1.15 | 1.1 | 1.1 | 1.12 | 1.32 | 1.3 | 1.4 | 1.4 | 1.1 | 1.2 | 1.2 | 1.1 | 1.0 | 1.1 | nd | WSC (mm) | 5.3 | 6.9 | 17.6 | 17.9 | 12.7 | 4.7 | 9.2 | 19.9 | 6.8 | 9.9 | 22 | 15.1 | 7.9 | 7.5 | nd | S (mg/dm3) | 6 | 2 | 2 | 12 | 4 | 21 | 20 | 13 | 10 | 15 | 47 | 42 | 70 | 4 | 22 | Zn (mg/dm3) | 41 | 3 | 0.4 | 1 | 13 | 1 | 1 | 1 | 27 | 3 | 1 | 2 | 14 | 15 | 0.4 | Cu (mg/dm3) | 351 | 18 | 3 | 3 | 123 | 4 | 3 | 4 | 110 | 10 | 5 | 3 | 97 | 105 | 1 | B (mg/dm3) | 0.5 | 0.3 | 0.3 | 0.2 | 0.4 | 0.1 | 0.2 | 0.1 | 0.7 | 1.3 | 1.4 | 0.3 | 0.4 | 0.6 | 0.4 | Mn (mg/dm3) | 55 | 19 | 11 | 6 | 45 | 19 | 14 | 13 | 57 | 25 | 6 | 4 | 40 | 25 | 16 |
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CEC = capacity for exchangeable cations; WSC = water storage capacity.
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