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- Steiner, Christoph, et al. Show all 10 Authors
- Zeitschrift für Pflanzenernährung und Bodenkunde 2019 v.182 no.2 pp. 229-243
- biochar; cities; crops; eutrophication; farmers; leaching; nitrogen; nitrogen fertilizers; nutrient use efficiency; phosphorus; potassium; production technology; risk; vegetable growing; wastewater irrigation; Burkina Faso; Ghana
- ... This study reports and analyzes nutrient balances in experimental vegetable production systems of the two West African cities of Tamale (Ghana) and Ouagadougou (Burkina Faso) over a two‐year period comprising thirteen and eleven crops, respectively. Nutrient‐use efficiency was also calculated. In Tamale and Ouagadougou, up to 2% (8 and 80 kg N ha⁻¹) of annually applied fertilizer nitrogen were lea ...