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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Valuing soil fertility change: selected methods and case studies.

This chapter examines the significant challenges in assessing, i.e. quantifying and valuing, the impacts of soil fertility and nutrient depletion. After briefly reviewing the main economic approaches that are used to value soil nutrient change, four case studies are presented. These illustrate the...

Author(s)
Drechsel, P.; Giordano, M.; Enters, T.
ISBN
2005 CABI Publishing (H ISBN 0851998283)
Type
Book chapter
CABI Book Chapter Info
Cover for Agricultural use of untreated urban wastewater in Ghana.

In Ghana, urban sanitation infrastructure is poor and only a small portion of the (primarily domestic) wastewater is collected for treatment. The bulk ends up in drains and nearby water bodies and is used by urban and peri-urban vegetable farmers for irrigation. Open-space urban and peri-urban...

Author(s)
Keraita, B. N.; Drechsel, P.
ISBN
2004 CABI Publishing (H ISBN 0851998232)
Type
Book chapter
CABI Book Chapter Info
Cover for Wastewater irrigation - hazard or lifeline? Empirical results from Nairobi, Kenya and Kumasi, Ghana.

The range of factors that determine the quality of wastewater used by different irrigators is described, drawing on case studies from Nairobi, Kenya and Kumasi, Ghana. Not all urban irrigation relies on raw wastewater and it is misleading to consider wastewater as a uniform commodity. Dilution and...

Author(s)
Cornish, G. A.; Kielen, N. C.
ISBN
2004 CABI Publishing (H ISBN 0851998232)
Type
Book chapter
CABI Book Chapter Info
Cover for Environmental concerns of urban and peri-urban agriculture: case studies from Accra and Kumasi.

This paper provides examples of environmental concerns (case studies from Accra and Kumasi, Ghana) related to: (i) irrigation water quality; (ii) the quality of waste stream products (compost, poultry manure); (iii) food contamination; and (iv) the use of pesticides in urban and peri-urban...

Author(s)
Mensah, E.; Amoah, P.; Drechsel, P.; Abaidoo, R. C.
ISBN
2001 CABI Publishing (H ISBN 0851995489)
Type
Book chapter

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