Haque, I., & Lupwayi, N. (1999). Landform and phosphorus effects on nitrogen fixed by annual clovers and its contribution to succeeding cereals in the Ethiopian highlands.
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Chicago Style (17th ed.) Citation
Haque, I., and N.Z Lupwayi. Landform and Phosphorus Effects on Nitrogen Fixed by Annual Clovers and Its Contribution to Succeeding Cereals in the Ethiopian Highlands. 1999.
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MLA (9th ed.) Citation
Haque, I., and N.Z Lupwayi. Landform and Phosphorus Effects on Nitrogen Fixed by Annual Clovers and Its Contribution to Succeeding Cereals in the Ethiopian Highlands. 1999.
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Warning: These citations may not always be 100% accurate.