Documents et rapports
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Duckweed aquaculture : a new aquatic farming system for developing countries (anglais)
This booklet introduces a group of tiny aquatic plants commonly known as "duckweeds" as a promising new commercial aquaculture crop. Duckweed species are ubiquitous, hardy, and grow rapidly if their needs...
Type de document: Publication Numéro du rapport: 11733 Date du document: 31 mars 1993 Auteur: Skillicorn, Paul,Spira, William,Journey,William K.
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Duckweed aquaculture : a new aquatic farming system for developing countries (anglais)
The purpose of this paper is to present a group of tiny aquatic plants commonly known as "duckweeds" as a promising new commercial aquaculture crop. Duckweeds are ubiquitous, hardy, and grow rapidly if...
Type de document: Document de travail Numéro du rapport: 10004 Date du document: 30 septembre 1991 Auteur: Journey,William K.,Skillicorn, Paul,Spira, William
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Community water supply : the handpump option (anglais)
This document presents conclusions of five years of work devoted to the assessment of available technology and management options for the wide-scale implementation of community water supply systems. An...
Type de document: Publication Numéro du rapport: 11807 Date du document: 31 mai 1987 Auteur: Arlosoroff,Saul,Tschannerl,Gerhard,Grey,David R. C.,Journey,William K.,Karp,Andrew Wayne,Langenegger,Otto,Roche,Robert J.
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Approvisionnement en eau des collectivités : option pompes manuelles : Projet sur approvisionnement en eau de zones rurales au moyen de pompes manuelles (français)
This report highlights the expressed growing consensus that emerges among African countries that fundamental policies and strategies to be implemented have to deal with the urgent needs of the continent...
Numéro du rapport: 71949 Date du document: 1 mai 1987 Mode de publication: Disclosed Auteur: Arlosoroff,Saul,Grey,David R. C.,Journey,William K.,Karp,Andrew Wayne,Langenegger,Otto,Roche,Robert J.,Tschannerl,Gerhard
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A handpump for rural areas of developing countries (anglais)
Only 20 percent ot the world's population have access to safe water. The best way of remedying this situation is to provide shallow wells and hand pumps, wherever possible. However, existing hand pumps...
Type de document: Document de travail départemental Numéro du rapport: EWT9 Date du document: 31 octobre 1976 Mode de publication: Disclosed Auteur: Journey,William K.