Library Resource
Informes e investigaciones
Diciembre, 1988
Países Bajos
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Library ResourceInformes e investigacionesDiciembre, 1988Países Bajos
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Library ResourceInformes e investigacionesDiciembre, 1988Países Bajos
Deze literatuurstudie beoogt theorieen te inventariseren en te beoordelen, die een verklaring kunnen geven van veranderingen van het grondgebruik in het landelijk gebied
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Library ResourceInformes e investigacionesDiciembre, 1988Países Bajos
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Library Resource
Enero, 1989Malí, África subsaharianaThis article begins with an investigation into woodland management in Mali and moves onto a discussion of some of the fundamental practical problems associated with a major part of forest policy in Mali.
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Library ResourceEnero, 1989Estados Unidos de América, África subsahariana, América Septentrional, América Latina y el Caribe
It is clear from the failure of our efforts in many countries to halt the desertification process - deserts are now advancing at a rate of nearly 15,000,000 acres a year worldwide (Worrall 1984) (that something was missing in our knowledge of the problem). Four discoveries have been made that enabled us to design a simple holistic model to manage resources successfully in a sustained and economic manner.
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Library Resource
Documentos de conferencias e informesDiciembre, 1988Presents papers dealing with the use of crop residues as livestock feed in smallholder crop/livestock farming systems, and the role of plant breeding in maintaining or improving their nutritive value. Discusses factors limiting the nutritive value of crop residues, and the effect of genotype and environment on the nutritive value of crop residues. Outlines perspectives and implications for crop improvement programmes. Includes recommendations.
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Library Resource
Informes e investigacionesEnero, 1988África orientalThis paper analyses briefly the reasons why enclosures of the rangelands is taking place, the short and long term impact on different groups, and the technical and environmental issues. Examples are given from Kenya and Somalia.
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