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Soil moisture content and maize grain yield under conventional and conservation agriculture practices - results of short term field tests in liselo, Namibia por Kudumo, L. P., Itanna, F., Thierfelder, Christian L., Kambatuku, J.

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Effects of biochar and alkaline amendments on cadmium immobilization, selected nutrient and cadmium concentrations of lettuce (Lactuca sativa) in two contrasting soils por Woldetsadik, D., Drechsel, Pay, Keraita, Bernard N., Marschner, B., Itanna, F., Gebrekidan, H.

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Effect of biochar derived from faecal matter on yield and nutrient content of lettuce (Lactuca sativa) in two contrasting soils por Woldetsadik, D., Drechsel, Pay, Marschner, B., Itanna, F., Gebrekidan, H.

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Microbiological quality of lettuce (Lactuca sativa) irrigated with wastewater in Addis Ababa, Ethiopia and effect of green salads washing methods por Woldetsadik, D., Drechsel, Pay, Keraita, Bernard N., Itanna, F., Erko, B., Gebrekidan, H.

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Heavy metal accumulation and health risk assessment in wastewater-irrigated urban vegetable farming sites of Addis Ababa, Ethiopia por Woldetsadik, D., Drechsel, Pay, Keraita, Bernard N., Itanna, F., Gebrekidan, H.

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Farmers’ perceptions on irrigation water contamination, health risks and risk management measures in prominent wastewater-irrigated vegetable farming sites of Addis Ababa, Ethiopia por Woldetsadik, D., Drechsel, Pay, Keraita, Bernard N., Itanna, F., Gebrekidan, H.

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