Silva, Ana Rebeca Pires da, et al. “Agronomic Characteristics of Two Corn (Zea Mays L.) Varieties Subjected to Topdressing Fertilization Using Different Levels of Nitrogen and Potassium in Amazonas, Brazil”. Revista Em Agronegócio E Meio Ambiente, vol. 16, nº 1, fevereiro de 2023, p. 1-11, doi:10.17765/2176-9168.2023v16n1e9593.