Acknowledgements[edit | edit source]
The authors:
S. W. Head
A. A. Swetman
T. W. Hammonds
A. Gordon
K. H. Southwell
R. V. Harris
NRI
Natural Resources Institute
Overseas Development Administration
© Crown copyright 1995
The Natural Resources Institute (NRI) is an internationally recognized centre of expertise on the natural resources sector in developing countries. It forms an integral part of the British Government's overseas aid programme. Its principal aim is to alleviate poverty and hardship in developing countries by increasing the productivity of their renewable natural resources. NRI's main fields of expertise are resource assessment and farming systems, integrated pest management, food science and crop utilization.
NRI carries out research and surveys; develops pilot-scale plant, machinery and processes; identifies, prepares, manages and executes projects; provides advice and training; and publishes scientific and development material.
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Cover illustration: Sunflower (Helianthus annuns L.) Reproduced by kind permission of The Royal Botanic Gardens, Kew.
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Natural Resources Institute
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