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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The effect of crop residue and fertilizer use on pearl millet yields in Niger
Fertilizer Research, Volume 34, No. 3, Year 1993
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Description
A field study was conducted over a 4-year period in Niger, West Africa, to determine the effects of crop residue (CR), fertilizer, or a combination of crop residue and fertilizer (CRF) on yields of pearl millet (Pennisetum glaucum [L.] R. Br.). Despite a decline in yields of control plots (initial yields were 280 kg grain ha-1 declining to 75 kg grain ha-1 over 4 years), yields of fertilizer plots were maintained at 800-1,000 kg grain ha-1. Continued application of CR slowly augmented yields to levels similar to those of the fertilized plots. The effects of CR and fertilizer were approximately additive in the CRF plots. Addition of CR and fertilizer increased soil water use over the control by 57 mm to 268 mm in an average season and helped trap wind-blown soil. These plots tended to exhibit slightly higher soil pH and lower Al saturation than did the fertilized treatments. Return of CR to the soil resulted in significantly reduced export of most plant nutrients, especially Ca, Mg, and K. © 1993 Kluwer Academic Publishers.
Authors & Co-Authors
Bationo, André Babou
Togo, Lome
Ifdc North and West Africa Division
Christianson, C. Bruce
United States, Muscle Shoals
International Center for Soil Fertility and Agricultural Development
Klaij, M. C.
Niger, Niamey
International Crops Research Institute for the Semi-arid Tropics Sahelian Center Niamey
Statistics
Citations: 111
Authors: 3
Affiliations: 3
Identifiers
Doi:
10.1007/BF00750571
ISSN:
01671731
e-ISSN:
15730867
Research Areas
Environmental
Study Approach
Qualitative
Study Locations
Multi-countries
Niger