@incollection{Wortmann19,
author = {Charles S. Wortmann and Anthony O. Esilaba and Kayuki C. Kaizzi and Catherine Kibunja and Keziah W. Ndungu-Magiroi and Nouri Maman},
title = {Fertilizer Use Issues for Smallholder Agriculture in Tropical Africa},
booktitle = {Sustainable Crop Production},
publisher = {IntechOpen},
address = {Rijeka},
year = {2019},
editor = {Mirza Hasanuzzaman and Marcelo Carvalho Minhoto Teixeira Filho and Masayuki Fujita and Thiago Assis Rodrigues Nogueira},
chapter = {13},
doi = {10.5772/intechopen.89040},
url = {https://doi.org/10.5772/intechopen.89040}
}