1. State Univ. of Ponta Grossa; Dep. of Soil Science and Agricultural Engineering; Av. Carlos Cavalcanti 4748 Campus de Uvaranas 84030-900 Ponta Grossa PR Brazil
2. Inst. Agronômico do Paraná Polo Regional de Ponta Grossa; Av. Presidente Kennedy, s/n Ponta Grossa PR Brazil
3. The Ohio State Univ.; Carbon Management and Sequestration Center; School of Environment and Natural Resources OARDC/FAES; 2021 Coffey Rd. Columbus OH 43210
4. Federal Univ. of Paraná; Dep. of Crop Science; Av. Dos Funcionários, s/n Juvevê 80060-000 Curitiba PR Brazil
5. Centre de Coopération Internationale en Recherche Agronomique pour le Développement; CIRAD, UR SIA; Avenue Agropolis 34398 Montpellier France
6. Agronomy Graduate Program State Univ. of Ponta Grossa; Av. Carlos Cavalcanti 4748 Campus de Uvaranas 84030-900 Ponta Grossa PR Brazil
7. Soil Science Graduate Program Federal Univ. of Santa Maria Santa Maria-RS; Av. Roraima 1000 Camobi CEP 97105-900 Santa Maria RS Brazil
8. Agronomy Undergraduate Program State Univ. of Ponta Grossa; Av. Carlos Cavalcanti 4748 Campus de Uvaranas 84030-900 Ponta Grossa PR Brazil
9. Food Agriculture Organization; Plant Production and Protection Division (AGP); Room C-782 Viale delle Terme di Caracalla 00153 Rome Italy