Experimental Agriculture: Volume 28 -

The Importance of Liming Acid Soils of the Sahel Regions of Africa to Sustain High Crop Productivity—a Case Study from the Republic of Cameroon
K. P. Prabhakaran Nair, V. Ngachie, F. Nzetchoung
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03 October 2008, pp. 473-476
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Groundnut (Arachis hypogaea) has very great economic importance in Cameroon. In pot experiments, groundnut yields on highly acidified but limed soil were 50% greater than those on unlimed soil. These results demonstrate that severely acidified soils of the western highlands of Cameroon should be limed at moderate rates to sustain crop productivity.

Production Possibility Frontiers and Estimation of Competition Effects: The Use of A Priori Information on Biological Processes in Intercropping
Radha Ranganathan
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03 October 2008, pp. 351-368
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Production possibility frontiers contribute much to an economic evaluation of yield advantages from intercropping. The difficulty with estimating a production frontier empirically from experimental data is one of ascertaining that the fitted curve corresponds with the frontier. This problem has been overcome by deriving the frontier from a priori knowledge of the biological processes that determine the outcome in intercropping. The hyperbolic relationship between biomass yield and plant density, and the parameters that characterize the degree of intra-and inter-specific competition in intercropping are used in this paper to derive production possibility frontiers. The method is illustrated with data from three intercropping studies. A brief review of the two main methods used by researchers to evaluate the results of intercropping, and their limitations, is also presented.

Plant Canopies: their Growth, Form and Structure. (Society for Experimental Biology, Seminar Series 31.) Edited by G. Russell, B. Marshall and P. G. Jarvis. Cambridge: Cambridge University Press (1990), pp. 178, hardback £30.00, ISBN 0-521-32838-1, paperback £10.95, ISBN 0-521-39563-1.
M. P. Coutts
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03 October 2008, p. 123
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Trade, Exchange Rate, and Agricultural Pricing Policies in the Philippines. By P. S. IntalJr and J. H. Power. World Bank Comparative Studies. Washington DC: The World Bank, (1990), pp. 400, US$23.95, ISBN 0-8312-1715-6.
M. Upton
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03 October 2008, p. 237
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Inositol Metabolism in Plants, Plant Biology, Vol. 9. Edited by D.J. Moore, W. F. Boss and F. A. Loewus. New York: Wiley-Liss Inc. (1990), pp. 393, US$96.00. ISBN 0-471-56708-6.
R. Hooley
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03 October 2008, p. 369
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The Greenhouse Effect: Implications for Economic Development. By E. Arrhenius and T. W. Waltz. Discussion Paper No. 78. Washington DC: World Bank (1990), pp. 26, $5.95, ISBN-8213-1520-X.
R. M. Bennett
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03 October 2008, p. 123
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Seasonality and Agriculture in the Developing World: A Problem of the Poor and Powerless. By G. J. Gill. Cambridge: Cambridge University Press, (1991), pp. 343, £45.00, ISBN 0-521-38257-2.
M. H. Arnold
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03 October 2008, p. 237
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Irrigation in Sub-Saharan Africa: The Development of Public and Private Systems. By S. Barghouti and G. le Moigne. Washington DC: The World Bank (1990), pp. 99, £7.15, US$95†. ISBN 0-8213-1554-4.
R. C. Carter
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03 October 2008, p. 477
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Hops. By R. A. Neve. London: Chapman and Hall, (1991), pp. 266, £32.50, ISBN 0-412-30330-2.
D. J. Royle
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03 October 2008, pp. 123-124
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Agricultural Biotechnology: The Next “Green Revolution”? By Agriculture and Rural Development Department, World Bank, in association with Australian Centre for International Agricultural Research, Australian International Development Assistance Bureau, and International Service for National Agricultural Research. Technical Paper No. 133. Washington DC: The World Bank, (1991), pp. 62, US$5.95, ISBN 0-8213-1741-5.
P. R. Shewry
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03 October 2008, p. 238
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Farmers' Estimations as a Source of Production Data: Methodological Guidelines for Cereals in Africa. Technical Paper No. 32. By J. Murphy, D. J. Casley and J. J. Curry. Washington DC: The World Bank (1991), pp. 80, US$6.95. ISBN 0-8213-1705-9.
E. J. Wibberley
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03 October 2008, p. 369
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Climatic Risk in Crop Production: Models and Management for the Semiarid Tropics and Subtropics. Edited by R. C. Muchow and J. A. Bellamy. Wallingford: CAB International (1991), pp. 548, £49.50. ISBN 0-85198-665-X.
J. R. Porter
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03 October 2008, p. 477
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Compendium of Bean Diseases. Edited by R. Hall, St. Paul, Minnesota: APS Press (The American Phytopathological Society Press) (1991), pp. 71, US$25.00 in US, US$31.00 elsewhere. ISBN 0-89054-118-3.
J. A. Bailey
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03 October 2008, p. 370
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United Kingdom Register of Agricultural Models 1990. By G. R. Squire and P. J. Hamer. Silsoe, Bedford: AFRC Engineering, (1990), pp. 92, £12.00, (airmail world-wide £17.00).
Philip Brain
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03 October 2008, p. 124
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The Rhizosphere. Edited by J. M. Lynch. Chichester, Sussex, UK: John Wiley & Sons, (1990), pp. 458, £65.00, ISBN 0-471-925489.
D. Gareth Jones
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03 October 2008, p. 238
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The Agriculture of China. Edited by Xu Guohua and L. J. Peel. Oxford: Oxford University Press (1991), pp. 300, £45.00. ISBN 0-19-859208-6.
J. Howell
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03 October 2008, p. 478
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Managing the Behaviour of Animals. Edited by P. Monaghan and D. Wood-Gush. Andover, Hampshire, UK: Routledge, Chapman and Hall, (1990), pp. 257, £30.00, ISBN 0-412-29980-1.
C. J. Nicol
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03 October 2008, p. 124
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Compendium of Tomato Diseases. Edited by J. B. Jones, J. P. Jones, R. E. Stall and T. A. Zitter. St. Paul, Minnesota: APS Press (The American Pathological Society Press) (1991), pp. 73, US$25.00 in US, US$31.00 elsewhere. ISBN 0-89054-120-5.
J. F. Fletcher
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03 October 2008, p. 370
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Redefining the Role of Government in Agriculture for the 1990s. By O. Knudsen and John Nash. Discussion Paper No. 105. Washington DC: The World Bank, (1990), pp. 102, US$7.95, ISBN 0-8213-1690-7.
Colin Thirtle
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03 October 2008, pp. 238-239
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Unwelcome Harvest: Agriculture and Pollution. By G. R. Conway and J. N. Pretty. London: Earthscan Publications Ltd (1991), pp. 672, £15.00. ISBN 1-85383-036-4.
J. K. Coulter
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03 October 2008, p. 478
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Experimental Agriculture

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Volume 28 - October 1992

Research Article

The Importance of Liming Acid Soils of the Sahel Regions of Africa to Sustain High Crop Productivity—a Case Study from the Republic of Cameroon

Production Possibility Frontiers and Estimation of Competition Effects: The Use of A Priori Information on Biological Processes in Intercropping

Book Reviews

Plant Canopies: their Growth, Form and Structure. (Society for Experimental Biology, Seminar Series 31.) Edited by G. Russell, B. Marshall and P. G. Jarvis. Cambridge: Cambridge University Press (1990), pp. 178, hardback £30.00, ISBN 0-521-32838-1, paperback £10.95, ISBN 0-521-39563-1.

Book-Reviews

Trade, Exchange Rate, and Agricultural Pricing Policies in the Philippines. By P. S. IntalJr and J. H. Power. World Bank Comparative Studies. Washington DC: The World Bank, (1990), pp. 400, US$23.95, ISBN 0-8312-1715-6.

Book Review

Inositol Metabolism in Plants, Plant Biology, Vol. 9. Edited by D.J. Moore, W. F. Boss and F. A. Loewus. New York: Wiley-Liss Inc. (1990), pp. 393, US$96.00. ISBN 0-471-56708-6.

Book Reviews

The Greenhouse Effect: Implications for Economic Development. By E. Arrhenius and T. W. Waltz. Discussion Paper No. 78. Washington DC: World Bank (1990), pp. 26, $5.95, ISBN-8213-1520-X.

Book-Reviews

Seasonality and Agriculture in the Developing World: A Problem of the Poor and Powerless. By G. J. Gill. Cambridge: Cambridge University Press, (1991), pp. 343, £45.00, ISBN 0-521-38257-2.

Book Reviews

Irrigation in Sub-Saharan Africa: The Development of Public and Private Systems. By S. Barghouti and G. le Moigne. Washington DC: The World Bank (1990), pp. 99, £7.15, US$95†. ISBN 0-8213-1554-4.

Hops. By R. A. Neve. London: Chapman and Hall, (1991), pp. 266, £32.50, ISBN 0-412-30330-2.

Book-Reviews

Book Review

Farmers' Estimations as a Source of Production Data: Methodological Guidelines for Cereals in Africa. Technical Paper No. 32. By J. Murphy, D. J. Casley and J. J. Curry. Washington DC: The World Bank (1991), pp. 80, US$6.95. ISBN 0-8213-1705-9.

Book Reviews

Climatic Risk in Crop Production: Models and Management for the Semiarid Tropics and Subtropics. Edited by R. C. Muchow and J. A. Bellamy. Wallingford: CAB International (1991), pp. 548, £49.50. ISBN 0-85198-665-X.

Book Review

Compendium of Bean Diseases. Edited by R. Hall, St. Paul, Minnesota: APS Press (The American Phytopathological Society Press) (1991), pp. 71, US$25.00 in US, US$31.00 elsewhere. ISBN 0-89054-118-3.

Book Reviews

United Kingdom Register of Agricultural Models 1990. By G. R. Squire and P. J. Hamer. Silsoe, Bedford: AFRC Engineering, (1990), pp. 92, £12.00, (airmail world-wide £17.00).

Book-Reviews

The Rhizosphere. Edited by J. M. Lynch. Chichester, Sussex, UK: John Wiley & Sons, (1990), pp. 458, £65.00, ISBN 0-471-925489.

Book Reviews

The Agriculture of China. Edited by Xu Guohua and L. J. Peel. Oxford: Oxford University Press (1991), pp. 300, £45.00. ISBN 0-19-859208-6.

Managing the Behaviour of Animals. Edited by P. Monaghan and D. Wood-Gush. Andover, Hampshire, UK: Routledge, Chapman and Hall, (1990), pp. 257, £30.00, ISBN 0-412-29980-1.

Book Review

Compendium of Tomato Diseases. Edited by J. B. Jones, J. P. Jones, R. E. Stall and T. A. Zitter. St. Paul, Minnesota: APS Press (The American Pathological Society Press) (1991), pp. 73, US$25.00 in US, US$31.00 elsewhere. ISBN 0-89054-120-5.

Book-Reviews

Redefining the Role of Government in Agriculture for the 1990s. By O. Knudsen and John Nash. Discussion Paper No. 105. Washington DC: The World Bank, (1990), pp. 102, US$7.95, ISBN 0-8213-1690-7.

Book Reviews

Unwelcome Harvest: Agriculture and Pollution. By G. R. Conway and J. N. Pretty. London: Earthscan Publications Ltd (1991), pp. 672, £15.00. ISBN 1-85383-036-4.

Experimental Agriculture

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