Figure 1.

Figure 2.

Figure 3.

Figure 4.

Soil indicators associated with soil functions and database_
| Soil function | Indicator | Unit | Dataset | ||
|---|---|---|---|---|---|
| Chemical | |||||
| f(i) Storage, availability and cycling of nutrients | P | mg · dm−3 | TDS | MDS | |
| K | mg · dm−3 | TDS | MDS | ||
| Ca | mmolc · dm−3 | TDS | - | ||
| Mg | mmolc · dm−3 | TDS | - | ||
| S | mmolc · dm−3 | TDS | - | ||
| B | mg · dm−3 | TDS | - | ||
| Cu | mg · dm−3 | TDS | - | ||
| Mn | mg · dm−3 | TDS | - | ||
| Fe | mg · dm−3 | TDS | - | ||
| Zn | mg · dm−3 | TDS | - | ||
| pH | - | TDS | MDS | ||
| H + Al | mmolc_ · dm−3 | TDS | - | ||
| BS | % | TDS | - | ||
| CEC | mmolc_ · dm−3 | TDS | - | ||
| Physical | |||||
| f(ii) Soil–water dynamic and soil aeration | BD | kg · m−3 | TDS | MDS | |
| f(iv) Sustain plant growth | |||||
| TP | m−3 · m−3 | TDS | - | ||
| f(ii) Soil–water dynamic and soil aeration | MaP | m−3 · m−3 | TDS | - | |
| MiP | m−3 · m−3 | TDS | - | ||
| SWSC | - | TDS | - | ||
| f(iv) Sustain plant growth | WFPS | - | TDS | MDS | |
| SAC | - | TDS | - | ||
| f(ii) Soil–water dynamic and soil aeration | Kfs | cm · h−1 | TDS | - | |
| f(v) Ability to resist degradation | |||||
| f(iv) Sustain plant growth | ASI | % | TDS | MDS | |
| f(v) Ability to resist degradation | |||||
| f(v) Ability to resist degradation | MWD | Mm | TDS | - | |
| SSI | % | TDS | - | ||
| Biological | |||||
| f(iii) Sustain biological activity | Mdens | Indiv · m −2 | TDS | - | |
| EWorm | Indiv · mC2 | TDS | - | ||
| Mrich | - | TDS | - | ||
| Mdiver | - | TDS | - | ||
| f(i, ii, iii, iv) | SOC | g · kg−1 | TDS | MDS | |
Execution process of the SQIs and SMAF_
| SQI | Selection of indicators | Interpretation | Integration | Reference |
|---|---|---|---|---|
| SQI-1 | TDS | Non-Linear | Weighted | Cherubin et al. (2016a) |
| SQI-2 | Additive | |||
| SQI-3 | Linear | Weighted | Andrews et al. (2002) | |
| SQI-4 | Additive | |||
| SQI-5 | MDS | Non-Linear | Weighted | Cherubin et al. (2016a) adapted |
| SQI-6 | Additive | |||
| SMAF | Weighted | Andrews et al. (2004) |
Mean values of the indicators of chemical, physical and biological sectors, to characterise each land use_
| Chemical | Forest | Banana | SD | Physical | Forest | Banana | SD | Biological | Forest | Banana | SD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BS% | 81 | 92 | 9.74 | Ksat (cm · h−1) | 39.82 | 3.34 | 25.79 | Mdiver | 1.5 | 1.4 | 0.09 |
| pH CaCl2 | 5.5 | 6.5 | 0.70 | WMD (mm) | 3.20 | 4.20 | 0.71 | ||||
| H + Al (mmolc · dm−3) | 18 | 13 | 5.82 | SSI (%) | 71.88 | 52.07 | 14.01 | Mrich | 2.0 | 1.8 | 0.17 |
| CEC (mmolc · dm−3) | 111 | 171 | 38.49 | ASI (%) | 11.76 | 14.67 | 2.06 | ||||
| Fe (mg · dm−3) | 81 | 72 | 32.92 | TP (m3 · nr−3) | 0.50 | 0.58 | 0.05 | Abundance (indv · m−2) | 28.1 | 32.7 | 0.28 |
| Cu (mg · dm−3) | 3 | 4 | 1.55 | SAC | 0.36 | 0.16 | 0.15 | ||||
| Zn (mg · dm−3) | 9 | 13 | 5.91 | MiP (m3 · m−3) | 0.32 | 0.48 | 0.11 | Eworm (indv · m−2) | 0.8 | 0.6 | 0.12 |
| Mn (mg · dm−3) | 50 | 26 | 17.49 | WFPS | 0.64 | 0.84 | 0.14 | ||||
| B (mg · dm−3) | 0.18 | 0.27 | 0.10 | SWSC | 0.63 | 0.84 | 0.15 | SOC (g · kg−1) | 24.75 | 30.81 | 6.93 |
| Mg (mmolc · dm−3) | 22 | 45 | 14.86 | BD (Mg · m−3) | 1.25 | 1.27 | 0.02 | ||||
| Ca (mmolc · dm−3) | 68 | 106 | 27.16 | ||||||||
| K (mmolc · dm−3) | 2 | 6 | 4.10 | MaP (m3 · m−3) | 0.18 | 0.09 | 0.06 | ||||
| P (mg · dm−3) | 16 | 125 | 65.88 | ||||||||
| S (mg · dm−3) | 12 | 12 | 2.35 |
Studied site characterisation at the Eldorado, Registro and Sete Barras counties_
| City | Eldorado | Registro | Sete-Barras | ||||
|---|---|---|---|---|---|---|---|
| System | Forest | Banana | Forest | Banana | Forest | Banana | |
| Age of system | 30 | 50 | 35 | 15 | 45 | 40 | |
| Latitude | 24°29′57″S | 24°23′34″S | 24°26′29″S | ||||
| Longitude | 48°02′48″O | 47°49′36″O | 47°53′22″O | ||||
| Climate Köppen* | Am | Af | Af | ||||
| Mean annual temperature (°C) | 23.9–24.3 (lowest 13°C) in July, and highest (34.2°C) in February | ||||||
| Mean annual rainfall (mm) | 1500–1600 | ||||||
| Soil texture | Clay Loam | Clay | Clay Loam | ||||
| Liming | 30 days before planting, based on raising BS to 70% and Mg content to 8 mmol · dm −3 | ||||||
| Fertilization | Potassium | 200 a 450 kg of K2O · ha−1 at formation stage and 100–750 kg of K2O · ha−1 at production stage | |||||
| Nitrogeneous | 200 kg of mineral N at formation stage and 160–400 kg N mineral · ha−1 · year−1 | ||||||
| Phosphate | 40–120 kg of P2O5 · ha−1 with annual repetitions according to soil analysis | ||||||
| Organic | Application in the pit (10–15 L of cattle manure) or chicken manure (3–5 L · pit−1) | ||||||
Statistical parameters of the SQIs and SMAF for evaluating land use systems Forest and Banana_
| SQI | Mean | CV (%) | RMSE | Std. Error Mean | Confidence intervals | F test |
|---|---|---|---|---|---|---|
| SQI-1 | 0.73 c | 5.47 | 0.039 | 0.0150 | 0.126 | 0.40 ns |
| SQI-2 | 0.77 bc | 2.80 | 0.022 | 0.0079 | 0.069 | 0.00 ns |
| SQI-3 | 0.40 e | 9.44 | 0.037 | 0.0134 | 0.118 | 0.00 ns |
| SQI-4 | 0.55 d | 7.06 | 0.039 | 0.0172 | 0.126 | 1.80 ns |
| SQI-5 | 0.84 ab | 6.73 | 0.057 | 0.0263 | 0.182 | 2.46 ns |
| SQI-6 | 0.84 ab | 6.68 | 0.056 | 0.0261 | 0.180 | 2.48 ns |
| SMAF | 0.87 a | 1.92 | 0.017 | 0.0068 | 0.053 | 1.10 ns |