ESANG, Demben Moses; IKEH, Angus Onwudiwe. Response of Some Improved Upland Rice Varieties to Different Sources and Rates of Nitrogen Fertilizer in A Humid Rain Forest Region. American Journal of Agricultural Science, Engineering, and Technology, [S. l.], v. 5, n. 2, p. 69–91, 2021. DOI: 10.54536/ajaset.v5i2.75. Disponível em: https://journals.e-palli.com/home/index.php/ajaset/article/view/75. Acesso em: 17 apr. 2026.