Comparative Analysis and Performance of Empirical Radiation Models for Estimating Crop Water Requirement in Semi – Arid Region of Northern Environment of Nigeria. Nigerian Journal of Theoretical and Environmental Physics, [S. l.], v. 3, n. 2, p. 1–6, 2025. DOI: 10.62292/njtep.v3i2.2025.69. Disponível em: https://njtep.nipngr.org/index.php/njtep/article/view/69. Acesso em: 25 aug. 2025.