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| 1 | Comparative short-term effects of sewage sludge and its biochar on soil properties, maize growth and uptake of nutrients on a tropical clay soil in Zimbabwe显示文摘Soil application of biochar from sewage could potentially enhance carbon sequestration and close urban nutrient balances. In sub-Saharan Africa, comparative studies investigating plant growth effect and nutrients uptake on tropical soils amended with sewage sludge and its biochar are very limited. A pot experiment was conducted to investigate the effects of sewage sludge and its biochar on soil chemical properties, maize nutrient and heavy metal uptake, growth and biomass partitioning on a tropical clayey soil. The study compared three organic amendments; sewage sludge(SS), sludge biochar(SB) and their combination(SS+SB) to the unamended control and inorganic fertilizers. Organic amendments were applied at a rate of 15 t ha^(–1) for SS and SB, and 7.5 t ha^(–1) each for SS and SB. Maize growth, biomass production and nutrient uptake were significantly improved in biochar and sewage sludge amendments compared to the unamended control. Comparable results were observed with F, SS and SS+SB on maize growth at 49 d of sowing. Maize growth for SB, SS, SS+SB and F increased by 42, 53, 47, and 49%, respectively compared to the unamended control. Total biomass for SB, SS, SS+SB, and F increased by 270, 428, 329, and 429%, respectively compared with the unamended control. Biochar amendments reduced Pb, Cu and Zn uptakes by about 22% compared with sludge alone treatment in maize plants. However, there is need for future research based on the current pot experiment to determine whether the same results can be produced under field conditions. | Willis Gwenzi Moreblessing Muzava Farai Mapanda Tonny P Tauro | 2016 | Journal of Integrative Agriculture2016，15，6： | 9 |
| 2 | Uptake of heavy metals by vegetables irrigated using wastewater andthe subsequent risks in Harare,Zimbabwe 显示文摘 | MAPANDA F MANGWAYANA E N YAMANGARA J N | 2007 | Physics andChemistry of the Earth2007，32，： | 1 |
| 3 | Uptake of heaW metals by vegetables irrigated using wastewater and the subsequent risks in Harare,Zimbabwe显示文摘 | MAPANDA F MANGWAYANA E N GILLER K E | 2007 | Physics Chemistry of the Earth2007，32，： | 1 |
| 4 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe显示文摘 | F. Mapanda E.N. Mangwayana J. Nyamangara K.E. Giller | 2004 | Agriculture Ecosystems and Environment2004，，2： | 1 |
| 5 | Theeffect of long-term irrigation using wastewater on heavymetal contents of soils under vegetables in Harare,Zimb-abwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agric Ecosyst Environ2005，107，： | 1 |
| 6 | Uptake of heavy metals by vegetables irrigated using wastewater and the subsequent risks in Harare, Zimbabwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2007 | Physics and Chemistry of the Earth Parts A/B/C2007，32，1518： | 1 |
| 7 | A cross-ecosystem assessment of the effects of land cover and land use on soil emission of selected greenhouse gases and related soil properties in Zimbabwe显示文摘 | Mapanda F Mupini J Wuta M | 2010 | European Journal of Soil Science2010，61，： | 1 |
| 8 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Environment2005，107，： | 1 |
| 9 | Short-term impact of sulphate mine dump rehabilitation on the quality of surrounding groundwater and river water in Mazowe District, Zimbabwe显示文摘 | G. Nyamadzawo F. Mapanda P. Nyamugafata M. Wuta J. Nyamangara | 2007 | Physics and Chemistry of the Earth2007，，15： | 1 |
| 10 | The effect of long- term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Envi- ronment2005，107，： | 1 |
| 11 | The effect of long- term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Environment2005，107，23： | 1 |
| 12 | The effectof long-term irrigation using wastewater on heavy metal contents of soilsunder vegetables in Harare,Zimbabwe显示文摘 | MAPANDA F MANGWAYANA E N NYAMANGARA J | 2005 | Agriculture Ecosystem and En-vironment2005，107，： | 1 |
| 13 | The effect of long-term irrigation using wastewater on heavy metal con- tents of soils under vegetables in harare,zimbabwe agriculture 显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Ecosystemsgy:Environment2005，107，23： | 1 |
| 14 | The effect of long- term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Environment2005，107，： | 1 |
| 15 | Uptake of heavymetals by vegetables irrigated using wastewater and the subsequent risksin Harare, Zimbabwe 显示文摘 | Mapanda F Mangwayana EN Nyamangara J Giller KE | 2007 | Physics Chem Earth (Parts A/B/C)2007，32，： | 1 |
| 16 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Environment2005，107，23： | 1 |
| 17 | Uptake of heavy metals by vegetables irrigated using wasterwater and the subsequent risks in Harare, Zimbabwe 显示文摘 | Mapanda F Mangwayana E N Giller K E | 2007 | Physics and Chemis- try of the Earth2007，32，10： | 1 |
| 18 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe 显示文摘 | Mapanda E N Mangwayana J Nyamangaraa K E | 2005 | Agriculture Ecosystems and Environment2005，107，： | 1 |
| 19 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe 显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems & Environment2005，107，23： | 1 |
| 20 | The effect of long-term irrigation using wastewater on heavy metal contents of soils under vegetables in Harare, Zimbabwe 显示文摘 | Mapanda F Mangwayana E N Nyamangara J | 2005 | Agriculture Ecosystems and Environment2005，107，23： | 1 |
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