References

Technologies disponibles pour combattre la perte en elements nutritifs des sols en Afrique de l'ouest

1996 · External reference

Trends in fertilizer use and production in Sub-Saharan Africa, 1970–1995: an overview

10.1007/bf01048854 · 1991 · External reference

The role of fertilizer in sustaining food security and protecting the environment to 2020

1996 · External reference

Crop associations in the semi-arid tropics of West Africa: Research strategies past and future

1985 · External reference

Desertification in the Sahelian and Sudanian Zones of West Africa

1987 · External reference

Unresolved reference

1987 · External reference

Unresolved reference

1988 · External reference

Unresolved reference

1990 · External reference

Modeling stochastic crop response to fertilization when carryover matters

10.1016/0169-5150(91)90019-h · 1991 · External reference

Fertilizers to support agricultural development in Sub-Saharan Africa: what is needed and why

10.1016/0306-9192(96)00021-8 · 1996 · External reference

Fertilizer policy in Africa: lessons from development programs and adjustment lending, 1979–1987

1989 · External reference

Enquête sur l'adoption des technologies Mil-Nièbe à Kouka, Maiguero, Rigial et Kandamo

1992 · External reference

Improving productivity in sorghum and pearl millet in semiarid Africa

1990 · External reference

Myths and science of fertilizer use in the tropics

1992 · External reference

Cereal technology interventions for the West African semi-arid tropics

10.1016/0169-5150(88)90002-3 · 1988 · External reference

Bringing land back in: changing strategies to improve agricultural production in the West African Sahel

1987 · External reference

Technological change, land use patterns, and household income distribution in the Sahel

1991 · External reference

Population pressure, land degradation and sustainable agricultural technologies in the Sahel

10.1016/0308-521x(92)90047-r · 1992 · External reference

Unresolved reference

1988 · External reference

Farming systems research: some suggestions for agronomists

1989 · External reference

Unresolved reference

1986 · External reference

Agricultural research and new technology introduction in Burkina Faso and Niger

10.1016/0308-521x(89)90043-7 · 1989 · External reference

Economic and sustainability evaluation of new technologies in sorghum and millet production in INTSORMIL priority countries

1996 · External reference

Unresolved reference

1996 · External reference

Soil chemical variability in sandy ustalfs in semiarid Niger, West Africa

10.1097/00010694-198806000-00002 · 1988 · External reference

Unresolved reference

1994 · External reference

New technology adoption in two agricultural systems of the Niamey region of Niger

1990 · External reference

Evaluating and adapting new technologies in a high-risk agricultural system—Niger

10.1016/0308-521x(93)90073-b · 1993 · External reference

Changes in West African savanna agriculture in response to growing population and continuing low rainfall

10.1016/0167-8809(90)90214-x · 1990 · External reference

Manure utilization, drought cycles and herd dynamics in the Sahel: Implications for cropland productivity

1993 · External reference