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Les déchets miniers phosphatés source de la pollution marine au Togo OceanDocs
Gnandi, K..
L'impact environnemental du rejet dans la mer des déchets miniers issus du traitement des phosphates de Hahotoké-Kpogamé(Togo) a été étudié dans ce manuscrit. Les résultats des analyses chimiques rnontrent de fortes concentrations des éléments Cd (2-44 mg/kg), Cr (1 15-753 mg/kg), Cu (22-184 mg/kg), Ni (19-281 mg/kg), V (38-329 mg/kg), Sr (179-643 mg/kg), Pb (22-176 nig/kg), Zn (60-632 mgikg) et du Zr (18-8928 mg/kg) dans la fraction < 63 um des sédiments marins côtiers. Les concentrations du Cd diminuent du grain grossier (silte) au grain fin (argile), alors que celles du Cr, Cu, Ni, V, Sr, Zn et Pb augmentent lorsque la granulométrie évolue vers le grain fin. Les phénomènes de transport par les courants littoraux, de tri par densité et de...
Tipo: Journal Contribution Palavras-chave: Marine pollution; Phosphates; Heavy metals; Togo; Phosphates; Http://aims.fao.org/aos/agrovoc/c_7801; Http://aims.fao.org/aos/agrovoc/c_35986.
Ano: 2002 URL: http://hdl.handle.net/1834/1442
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Financing agricultural inputs in Northern Togo through an inventory credit system: an economic analysis of institutional response AgEcon
Konlambigue, Abdou.
Agricultural intensification is widely seen as a condition sine-qua-non for enhanced food security and as a major driver for overall economic growth in sub-Saharan Africa (SSA). In this process, the financial system has an important role to play, especially to finance agricultural inputs. However in SSA, the financial institutions initiated by governments and donors have in general not lived up to the expectations, in particular not for the agricultural sector, because of inappropriate design and weaknesses in implementation. Even the microfinance institutions which were supposed to support the small-scale farmers have deflected for their goals due to the risks that the agricultural sector represents. To date, the economic research tends to concentrate on...
Tipo: Conference Paper or Presentation Palavras-chave: Financing; Agricultural inputs; Inventory credit; Togo; Agricultural and Food Policy; Crop Production/Industries; Farm Management; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; International Relations/Trade; Livestock Production/Industries; Marketing; Productivity Analysis; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/52100
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