MWENDE , N.; DANGA , B. O.; MUGWE , J.; KWENA , K. Effect of Integrating Tied ridging, Fertilizers and Cropping Systems on Maize Performance’ in Arid and Semi-Arid Lands of Eastern Kenya . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 5, n. 2, p. Pg 87–104, 2019. Disponível em: http://ajest.org/index.php/ajest/article/view/119. Acesso em: 3 apr. 2026.