@INPROCEEDINGS {ABELE:2004c, title = {Innovations for plant production in the risky environment of semi-arid Niger: a multilevel modeling assessment}, author = {Abele, S. }, booktitle = {Book of Abstracts of International Research on Food Security, Natural Resource Management and Rural Development; (Deutscher Tropentag 2004), Berlin. Koethen}, year = {2004}, note = {In: Rural poverty reduction through research for development and transformation}, }