K Sallah PY, Ehlke NJ, Geadelmann JL. Progress from selection in La Posta maize population evaluated under three nitrogen fertilizer levels. Afr. Crop Sci. J. [Internet]. 1998 Mar. 1 [cited 2026 Sep. 2];6(3). Available from: https://www.ajol.info/index.php/acsj/article/view/27797