Table 4 Description of the main characteristics of the three agroecosystems.
From: Pesticides in a case study on no-tillage farming systems and surrounding forest patches in Brazil
Site | Above sea level (m) | Distance between NT and SF (m) | Geographic positioning (closest settlement) | Start of NT | Soil classification (FAO) | Köppen climate | Field or forest size (ha) | Vegetation and crop rotation details | Commercial products appliedb (no.) | Annual doses applied for GLY (l/ha/year/mg pesticides/kg soil/year) |
|---|---|---|---|---|---|---|---|---|---|---|
NT-A | 759 | 850 | 23° 56′ 9.42" S 51° 20′ 13.50"W | 1982 | Ferralsol | CFa | 27 | Ca: soybean, corn, white oats CC: brachiaria | H: 8 F: 4 I: 5 O: 2 | 8.2/1.97 |
SF-A | 782 | – | Ferralsol | CFa | 42 | Transition of ombrophilous mixed forest and seasonal semideciduous forest | – | – | ||
NT-B | 978 | 1877 | 23° 54′ 14.11" S 51° 13′ 24.15" W | 1974 | Ferralsol | CFa | 23 | C: soybean, corn, wheat, white oats CC: black oats | H: 6 F: 5 I: 7 O: 2 | 7.0/1.68 |
SF-B | 1021 | – | Ferralsol | CFa | 5 | Transition of ombrophilous mixed forest and seasonal semideciduous forest | – | – | ||
NT-C | 878 | 1250 | 25° 25′ 34.87" S 50° 0′ 12.39" W | 1976 | Cambisol | CFb | 42 | C: soybean, corn, wheat, white oats CC: black oats | H: 20 F: 17 I: 18 O: 3 | 8.0/2.56 |
SF-C | 888 | – | Cambisol | CFb | 9 | Ombrophilous mixed forest | – | – |
