Your search found 31 records
1 Mensah, E.; Amoah, P.; Abaidoo, R. C.; Drechsel, P.. 2001. Environmental concerns of (peri-) urban vegetable production: Case studies from Kumasi and Accra. In Drechsel, P.; Kunze, D. (Eds.), Waste composting for urban and peri-urban agriculture - Closing the rural-urban nutrient cycle in Sub-Saharan Africa. Wallingford, UK: IWMI; FAO; CABI. pp.55-68.
Vegetables ; Crop production ; Horticulture ; Environmental effects ; Case studies / Ghana / Kumasi / Accra
(Location: IWMI-SA Call no: IWMI 631.875 G100 DRE Record No: H031157)
2 Cofie, O. O.; Drechsel, P.; Amoah, P.; Danso, G.; Gyiele, L. 2001. Improving rural-urban nutrient flows through urban and peri-urban agriculture. Paper presented at the International Conference on Rural-Urban Encounters: Managing the Environment of the Peri-Urban Interface, University College London, 9-10 November 2001. 9p.
(Location: IWMI HQ Call no: IWMI 631.86 G200 COF Record No: H029209)
(0.79 MB)
3 Drechsel, P.; Kunze, D.; Penning de Vries, F. 2001. Soil nutrient depletion and population growth in Sub-Saharan Africa: A Malthusian nexus? Population and Environment, 22(4):411-423.
Soil degradation ; Population growth ; Erosion ; Farmers' attitudes ; Households ; Economic impact / Africa South of Sahara
(Location: IWMI-SA Call no: 628.55 G110 DRE Record No: H029210)
4 Duran, L. S.; Batac, J. H.; Drechsel, P.. 2001. Planning in a changing environment: The case of Marilao in the Philippines. Urban Agriculture Magazine, 4:40-42.
Sanitation ; Households ; Environmental effects ; Local government ; Non-governmental organizations ; Investment ; Farming ; Fertilizers ; Urbanization ; Case studies / Philippines / Marilao
(Location: IWMI-HQ Call no: IWMI 361.875 G732 DUR Record No: H029211)
http://www.ruaf.org/sites/default/files/Planning%20in%20a%20Changing%20Environment.pdf
https://vlibrary.iwmi.org/pdf/H_29211.pdf
https://vlibrary.iwmi.org/pdf/H_29211.pdf
(80.46 KB)
5 Drechsel, P.; Gyiele, L.; Kunze, D.; Cofie, O. 2001. Population density, soil nutrient depletion, and economic growth in Sub-Saharan Africa. Ecological Economics, 38:251-258.
Population growth ; Soil degradation ; Economic growth ; Farming ; Fertilizers ; Soil management ; Food security / Africa South of Sahara
(Location: IWMI-HQ Call no: 631.4 G110 DRE Record No: H029212)
6 Drechsel, P.; Gyiele, L. A. 1999. The economic assessment of soil nutrient depletion: Analytical issues for framework development. Bangkok, Thailand: IBSRAM. vi, 80p. (Issues in Sustainable Land Management No.7)
Soil degradation ; Erosion ; Models ; Forestry ; Economic evaluation ; Fertilizers ; Productivity ; Pricing ; Cost benefit analysis ; Farmers' attitudes ; Case studies / Africa South of Sahara
(Location: IWMI HQ Call no: 631.4 G110 DRE Record No: H029216)
(1.55MB)
The two major objectives of this publication are (i) to provide an overview about the assessment of nutrient depletion and the major processes of nutrient depletion, and (ii) to provide an overview on different economic valuation approaches for nutrient depletion, including carbon depletion, and thus add to their discussion.
7 Drechsel, P.; Kunze, D. (Eds.) 2001. Waste composting for urban and peri-urban agriculture: closing the rural-urban nutrient cycle in Sub-Saharan Africa. Colombo, Sri Lanka: International Water Management Institute (IWMI); Rome, Italy: FAO; Wallingford, UK: CABI. xvii, 229p.
Waste management ; Economic aspects ; Social aspects ; Farmers' attitudes ; Environment ; Agricultural production ; Crop yield ; Case studies ; Farming systems ; Recycling ; Vegetables ; Priority setting / Sub-Saharan Africa / East Africa / West Africa / Europe / Ghana / Kumasi / Accra / Lome / Dar es Salaam
(Location: IWMI-HQ Call no: IWMI 631.875 G100 DRE Record No: H029240)
Book mainly based on papers presented at a workshop held in Ghana by IBSRAM (now part of the IWMI) and FAO on waste management and environmental protection, ameliorating problems by turning organic waste into compost for use as an agricultural fertilizer in urban and peri-urban areas.
8 Drechsel, P.; Kunze, D. 2001. Research and development priorities. In Drechsel, P.; Kunze, D. (Eds.), Waste composting for urban and peri-urban agriculture: Closing the rural-urban nutrient cycle in Sub-Saharan Africa. New Your, NY, USA: CABI Publishing; IWMI; FAO. pp.219-224.
Agricultural research ; Research priorities ; Waste management ; Recycling ; Water management ; Farming systems ; Environmental effects ; Risks ; Public health ; Policy ; Planning ; Economic aspects ; Farmers' attitudes
(Location: IWMI-HQ Call no: IWMI 631.875 G100 DRE Record No: H029276)
9 Drechsel, P.; Penning de Vries, F. W. T. 2001. Land pressure and soil nutrient depletion in Sub-Saharan Africa. In Bridges, E. M.; Hannam, I. D.; Oldeman, L. R.; Penning de Vries, F. W. T.; Scherr, S. J.; Sombatpanit, S.; (Eds.), Response to land degradation. New Delhi, India: Oxford & IBH Publishing. pp.55-64.
(Location: IWMI-HQ Call no: 631.4 G000 BRI, IWMI 631.4 G000 DRE Record No: H030446)
10 Molden, D.; Turral, H.; Amerasinghe, F.; Sharma, B. R.; Hatibu, N.; Drechsel, P.; van Koppen, B.; Wester, F.; Tharme, R.; Raschid-Sally, L.; Samad, M.; Murray-Rust, H.; Shah, T.; Acreman, M.; Smakhtin, V.; Peden, D.; Burton, M.; Albergel, J.; Meinzen-Dick, R.; Dunkhorst, B.; Merrey, D.; Mustafa, M.; Brown, D.; Dalton, J.; Flugel, W.; Gichuki, F.; Harrington, L.; Moustafa, M.; Samarasinghe, S. A. P.; Wallender, W.; Mohammed, A. 2002. Integrating research in water, food and environment. Challenge Program on Water and Food background paper 4. In CGIAR Challenge Program on Water and Food. Challenge Program on Water and Food: background papers to the full proposal. Colombo, Sri Lanka: CGIAR Challenge Program on Water and Food. pp.115-160.
Agricultural research ; Water management ; River basins ; Catchment areas ; Poverty ; Ecosystems ; Water rights ; Groundwater management ; Rain-fed farming ; Water use
(Location: IWMI HQ Call no: 333.91 G000 CGI Record No: H031290)
(2.41 MB)
11 Drechsel, P.; Kunze, D. 2002. Research and development priorities for urban and peri-urban agriculture. In IWMI, Annual report 2001-2002: Partnerships for change. Colombo, Sri Lanka, IWMI. pp.26-27.
Agricultural research ; Research priorities ; Soil fertility ; Public health ; Risks ; Environmental effects ; Recycling ; Agricultural policy / Africa
(Location: IWMI-HQ Call no: IWMI 631.7 G000 IWM Record No: H031294)
(0.1MB)
Published in Waste composting for urban and peri-urban agriculture: Closing the rural-urban nutrient cycle in Sub-Saharan Africa, 2001. The complete article is available on the CD-ROM version of this Annual Report.
12 Afrane, Y. A.; Klinkenberg, E.; Asare, J.; Owusu-Daaku, K.; Drechsel, P.; Kruppa, T. 2002. Influence of urban irrigated agriculture on the transmission of malaria in the city of Kumasi, Ghana. Paper presented at Special Seminar on Malaria in Irrigated Agriculture, MIM Conference, Tanzania, 21-28 November 2002. SIMA Document 4, IWMI, Colombo Sri Lanka. pp.8-9.
(Location: IWMI-HQ Call no: IWMI 631.7.5 G200 AFR Record No: H031907)
13 Danso, G.; Fialor, S. C.; Drechsel, P.. 2002. Farmers’ perception and willingness to pay for urban waste compost in Ghana. In Almorza, D.; Brebbia, C. A.; Sale, D., Waste management and the environment. Southampton, UK: WIT Press. pp.232-241.
(Location: IWMI-HQ Call no: IWMI 631.875 G200 DAN Record No: H031909)
http://library.witpress.com/pages/PaperInfo.asp?PaperID=1056
https://vlibrary.iwmi.org/pdf/H_31909.pdf
https://vlibrary.iwmi.org/pdf/H031909.pdf
https://vlibrary.iwmi.org/pdf/H_31909.pdf
https://vlibrary.iwmi.org/pdf/H031909.pdf
(0.59 MB)
14 Drechsel, P.; Blumenthal, U. J.; Keraita, B. 2002. Balancing health and livelihoods: Adjusting wastewater irrigation guidelines for resource-poor countries. Urban Agriculture Magazine, 8:7-9.
Wastewater ; Irrigation water ; Urbanization ; Water pollution ; Public health ; Farmers / West Africa
(Location: IWMI-HQ Call no: IWMI 631.7.5 G100 DRE Record No: H031910)
http://www.ruaf.org/sites/default/files/Balancing%20Health%20and%20Livelihoods.pdf
https://vlibrary.iwmi.org/pdf/H_31910.pdf
https://vlibrary.iwmi.org/pdf/H_31910.pdf
(204.09 KB)
15 Danso, G.; Drechsel, P.; Fialor, S. C. 2002. Perceptions of organic agriculture by urban vegetable farmers and consumers in Ghana. Urban Agriculture Magazine, 6:23-24.
(Location: IWMI-HQ Call no: IWMI 631.7 G200 DAN Record No: H031911)
http://www.ruaf.org/sites/default/files/Perceptions%20of%20Organic%20Agriculture.pdf
https://vlibrary.iwmi.org/pdf/H_31911.pdf
https://vlibrary.iwmi.org/pdf/H_31911.pdf
(146.96 KB)
16 Danso, G.; Drechsel, P.; Wiafe-Antwi, T.; Gyiele, L. A. 2002. Income of farming systems around Kumasi. Urban Agriculture Magazine, 7:5-6.
(Location: IWMI-HQ Call no: IWMI 631.7 G200 DAN Record No: H031912)
http://www.ruaf.org/sites/default/files/Income%20of%20Farming%20Systems%20Around%20Kumasi.pdf
https://vlibrary.iwmi.org/pdf/H_31912.pdf
https://vlibrary.iwmi.org/pdf/H_31912.pdf
(199.32 KB)
17 Drechsel, P.; Cofie, O. O.; Danso, G. 2002. Closing the rural-urban nutrient cycle? Insights, 41:1p.
(Location: IWMI-HQ Call no: IWMI 631.875 G110 DRE Record No: H031913)
18 Drechsel, P.. 2002. Comparing soil nutrient depletion in typical urban, peri-urban and rural farming systems in Ghana. Paper presented at the Mini-Symposium on Practices and Constraints of Land and Water Resources Management in Urban and Peri-urban Agriculture, Kasetsart University, Bangkok, Thailand, 12 March 2002. 7p.
Irrigated farming ; Rain-fed farming ; Vegetables ; Environmental degradation ; Maize ; Cassava ; Tomatoes ; Farming systems ; Water pollution ; Soil fertility / Ghana
(Location: IWMI HQ Call no: IWMI 631.7.2 G200 DRE Record No: H031914)
(0.017 MB)
In a response to rapid urban growth in Africa, specialized urban and peri-urban vegetable production systems emerge and contribute significantly to urban food security. these production systems are dominated by smallholders and can achieve despite poor soils astonishing high profits. This, however, require intensive fertilization (e.g. 100-200 tiha poultry manure) and year-round irrigation of 600-1600 mm, which adds further nutrients but also contributes to nutrient leaching. In this highly dynamic input-output system fanners are demonstrating that "permanent" cropping is possible on poor tropical soils but for the price of high N and K losses and water eutrophication. The situation is described for the case of lettuce, cabbage and spring onion farming in and around Kumasi, Ghana. Nutrient balances and depletion costs have also been calculated for the more conventional (rural) maize-cassava intercrop for comparison as well as rainfed tomato farming. From fanners point of view, the "costs" of nutrient mining vary with the availability of farm land. In the conventional system, fanner still can to shift when soil fertility is low, thus pay only for the preparation of a new field. In the land constrained urban vegetable system the costs of nutrient mining can best be assessed through their replacement costs via poultry manure or mineral fertilizer. Additional off-site costs of the vegetable system might be balanced through the fertilizer value of the water (for irrigation) and appears in general marginal in comparison with water pollution through the urban run-off.
19 Drechsel, P.; Gyiele, L. A. 2001. The costs of soil nutrient depletion in Ghana and Sub-Saharan Africa. Paper presented at the International Conference on Managing Soil Resources of the Tropics for Sustainable Agricultural Productivity, Tamale, Ghana, 26 February – 2 March 2001. 7p.
Soil degradation ; Soil fertility ; Costs ; Fertilizers ; Vegetables ; Cassava ; Traditional farming ; Irrigated farming / Ghana / Africa South of Sahara
(Location: IWMI HQ Call no: IWMI 631.7 G200 DRE Record No: H031915)
20 Gellermann, J.; Cofie, O. O.; Drechsel, P.; Gyiele, L. 2002. Rural-urban food flows and urban food supply in Ghana. Paper presented at the Regional Workshop on Urban Policy Implications of Enhancing Food Security in African Cities, Nairobi, Kenya, 27-31 May 2002. 10p.
Food security ; Food consumption ; Urbanization ; Farming systems ; Vegetables ; Marketing / Ghana / Accra / Kumasi
(Location: IWMI HQ Call no: IWMI 338.19 G200 GEL Record No: H031916)
Powered by DB/Text WebPublisher, from
