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Book 1981

Autor: Grimsdell, J.J.R. Westley, S.

Presents workshop papers & discussion summaries on the development of low-level aerial survey techniques and presents applications to livestock, wildlife and land-use surveys. Reviews survey designs and sampling procedures as well as problems of bias, levels, from ground survey to satellite image...

Enlace original: https://cgspace.cgiar.org/handle/10568/4207

Investigación en Agricultura
Enlace permanente

Grimsdell, J.J.R. ,  Westley, S. ,  [Low-level aerial survey techniques] ,  Low-level aerial survey techniques
Book 1979

Autor: Haan, C. de Westley, S. Chater, S.

Research review on sheep and goat production in the humid zone of West Africa, w. respect to animal population, production parameters, reproduction, forage production, supplementary feeding based on agro - industrial byproducts, disease incidence, particularly peste petits ruminants & helminthias...

Enlace original: https://cgspace.cgiar.org/handle/10568/4209

Investigación en Agricultura
Enlace permanente

Haan, C. de ,  Westley, S. ,  Chater, S. ,  [Small ruminant production in the humid tropics] ,  Small ruminant production in the humid tropics

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