A simple and easy method to measure ammonia volatilization: Accuracy under field conditions - Martins, Márcio R.; Sarkis, Leonardo F; Guareschi, Roni F; Santos, Camila A; Sant'Anna, Selenobaldo AC; Zaman, Mohammad; Jantalia, Claudia P; Alves, Bruno J.R.; Boddey, Robert M.; Araújo, Ednaldo S; Urquiaga, Segundo (Elsevier, 2021)