C. K. , Serrem; W. K. , Ng‘tich; KEMEI , M. K. Soil Fertility Improvement Using Crop Residues and Azolla for Sustainable Production of Rice and Fish in Irrigated Rice-Fish Farming System in the Lake Victoria Basin of Kenya . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 2, n. 3, p. Pg 76–83, 2015. Disponível em: http://ajest.org/index.php/ajest/article/view/237. Acesso em: 3 apr. 2026.