Figure 1:

Figure 2:

Figure 3:

Chemical characterization soil sampled at a depth of 0–10 cm from the following areas in Araponga, Minas Gerais, Brazil: forest fragment (FF) and coffee plantations, naturally fertilized (NF), poultry litter fertilized (PL) and cow manure (CM) fertilized_
| N | P | K | OM | C:N | ||
|---|---|---|---|---|---|---|
| pH | (%) | mg/dm3 | mg/dm3 | ppm | ||
| NF | 5.8 ± 0.05ns | 0.27 ± 0.01ns | 15.4 ± 0.42b | 319 ± 1.21ab | 17.65 ± 0.52a | 25.65 ± 0.23b | 
| PL | 5.5 ± 0.08ns | 0.28 ± 0.01ns | 705.6 ± 6.74a | 977 ± 0.79a | 17.73 ± 0.63a | 48.21 ± 9.60a | 
| CM | 5.6 ± 0.09ns | 0.27 ± 0.01ns | 46.7 ± 0.65a | 329 ± 5.37ab | 14.48 ± 0.35b | 31.01 ± 6.20a | 
| FF | 5.7 ± 0.05ns | 0.29 ± 0.01ns | 3.0 ± 0.05b | 60 ± 2.43b | 19.46 ± 0.28a | 39.01 ± 7.80ab | 
Physical characterization of soil samples collected at a depth of 0–10 cm from the following areas in Araponga, Minas Gerais, Brazil: forest fragment (FF) and coffee plantations naturally fertilized (NF), fertilized with poultry litter (PL) or cow manure (CM)_
| Physical attributes (%) | |||||
|---|---|---|---|---|---|
| Textural class | TP | Micro | Macro | SM | |
| NF | Clayey | 56.02 ± 1.08 | 34.79 ± 0.99 | 21.23 ± 1.55 | 25.80 ± 1.43 | 
| PL | Clayey | 59.23 ± 1.68 | 36.83 ± 0.90 | 22.40 ± 1.13 | 27.23 ± 0.94 | 
| CM | Clayey | 58.51 ± 1.01 | 33.27 ± 1.22 | 25.26 ± 1.79 | 30.12 ± 1.18 | 
| FF | Clayey | 59.34 ± 1.95 | 32.12 ± 2.75 | 27.21 ± 2.59 | 25.67 ± 1.08 | 
Average values (± standard error) of Shannon and Simpson indices of nematode communities in soil samples from an Atlantic forest fragment (FF), a naturally fertilized (NF) coffee plantation, a poultry litter (PL) fertilized coffee plantation, and cow manure (CM) fertilized coffee plantation_
| Areas evaluated | ||||
|---|---|---|---|---|
| Diversity indexes | FF | NF | PL | CM | 
| Shannon (H’) | 2.34 ± 0.03a | 2.24 ± 0.03a | 2.09 ± 0.04a | 1.95 ± 0.06b | 
| Simpson (Ds) | 0.14 ± 0.002b | 0.17 ± 0.006b | 0.20 ± 0.002b | 0.33 ± 0.002a | 
Mean relative abundance of nematode genera found in soil samples from an Atlantic forest fragment (FF), a naturally fertilized (NF) coffee plantation, a poultry litter (PL) fertilized coffee plantation, and cow manure (CM) fertilized coffee plantation_
| Families | Genera | FF | NF | PL | CM | 
|---|---|---|---|---|---|
| Bacterivores | Areas | ||||
| Alaimidae | Alaimus | 0.01ns | 0.02ns | 0.00ns | 0.00ns | 
| Bunonematidae | Bunonema | 0.00ns | 0.00ns | 0.01ns | 0.00ns | 
| Cephalobidae | Acrobeles | 0.09b | 0.10b | 0.10b | 0.18a | 
| Cephalobus | 0.05ns | 0.04ns | 0.02ns | 0.02ns | |
| Diplogastridae | Diplogaster | 0.00ns | 0.00ns | 0.03ns | 0.01ns | 
| Panagrolaimidae | Panagrolaimus | 0.00ns | 0.01ns | 0.03ns | 0.01ns | 
| Plectidae | Plectus | 0.01ns | 0.01ns | 0.02ns | 0.02ns | 
| Wilsonema | 0.00ns | 0.01ns | 0.00ns | 0.01ns | |
| Prismatolaimidae | Prismatolaimus | 0.01ns | 0.01ns | 0.00ns | 0.00ns | 
| Rhabditidae | Rhabditis | 0.05b | 0.12b | 0.38a | 0.49a | 
| Teratocephalidae | Teratocephalus | 0.00ns | 0.01ns | 0.02ns | 0.00ns | 
| Plant-parasites | Areas | ||||
| Anguininae | Ditylenchus* | 0.03ns | 0.02ns | 0.04ns | 0.01ns | 
| Criconematidae | Criconema | 0.15a | 0.08a | 0.02b | 0.01b | 
| Hoplolaimidae | Helicotylenchus | 0.21b | 0.35a | 0.20b | 0.17b | 
| Longidoridae | Longidorus | 0.03ns | 0.01ns | 0.02ns | 0.02ns | 
| Pratylenchidae | Pratylenchus | 0.07a | 0.04a | 0.01b | 0.00b | 
| Trichodoridae | Trichodorus | 0.02ns | 0.02ns | 0.00ns | 0.00ns | 
| Tylenchidae | Tylenchus | 0.05ns | 0.03ns | 0.04ns | 0.02ns | 
| Fungivores | Areas | ||||
| Aphelenchidae | Aphelenchus | 0.14a | 0.07b | 0.05b | 0.02b | 
| Diphtherophoridae | Diphtherophora | 0.02ns | 0.01ns | 0.00ns | 0.00ns | 
| Tylencholaimellidae | Tylencholaimellus | 0.01ns | 0.01ns | 0.00ns | 0.00ns | 
| Onivores | Areas | ||||
| Dorylaimidae | Dorylaimus | 0.03ns | 0.02ns | 0.00ns | 0.00ns | 
| Predator | Areas | ||||
| Mononchidae | Mononchus | 0.02ns | 0.02ns | 0.01ns | 0.01ns | 
Average values (± standard error) for the total abundance of nematodes per 100 g of dry soil from an Atlantic forest fragment (FF), a naturally fertilized (NF) coffee plantation, poultry litter (PL) fertilized coffee plantation, and a coffee plantation fertilized with cow manure (CM)_
| Feeding habits | FF | NF | PL | CM | 
|---|---|---|---|---|
| Bacterivores | 108 ± 2.73b | 170 ± 1.14b | 380 ± 7.72a | 378 ± 5.83a | 
| Plant-parasites | 270 ± 5.03a | 287 ± 3.37a | 183 ± 3.12b | 128 ± 1.28b | 
| Fungivores | 84 ± 2.83a | 51 ± 5.16a | 32 ± 1.12b | 13 ± 0.97b | 
| Omnivores | 11 ± 0.54ns | 9 ± 0.37ns | 2 ± 0.41ns | 2 ± 0.83ns | 
| Predators | 10 ± 0.73ns | 9 ± 0.37ns | 8 ± 0.24ns | 4 ± 0.25ns | 
| Total | 483 ± 7.20ns | 526 ± 5.63ns | 605 ± 9.09ns | 525 ± 4.59ns |