Agricultural Systems

1976 - 2025

Current editor(s): J.W. Hansen, P.K. Thornton and P.B.M. Berentsen

From Elsevier
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Volume 6, issue 4, 1981

Simulation of production alternatives in ranching systems in Togo pp. 249-260

C. Sere and W. Doppler

Prediction of the fractional rate of outflow of water from the rumen of sheep pp. 261-268

G. J. Faichney, D. E. Beever and J. L. Black

Determining superior cropping patterns for small farms in a dryland rice environment: Test of a methodology pp. 269-283

Dennis P. Garrity, Richard R. Harwood, Hubert G. Zandstra and Edwin C. Price

Rainfall persistence: Detection, modelling, costs and value of probability information pp. 285-302

S. R. Harrison

The climatic potential for beef cattle production in tropical Australia: Part I--Simulating the annual cycle of liveweight change pp. 303-317

R. L. McCown

Vegetation of the earth and ecological systems of the geobiosphere: Walter, Heinrich, (Translated from the third German edition by Joy Wieser, Springer-Verlag, New York Inc., 1979. Paperback, 274 pp. Price: US$15[middle dot]40 (approx.) pp. 319-320

N. R. Brockington

Grasslands, systems analysis and man: Bereymeyer, A. I. and Van Dyne, G. M. (Eds.), IBP Vol. 19, Cambridge University Press, 1980, 950 pp. Price: [pound sign]65 pp. 320-321

C. R. W. Spedding

Volume 6, issue 3, 1981

Simulation of water use and herbage growth in arid regions--A re-evaluation and further development of the model `arid crop' pp. 159-193

H. van Keulen, N. G. Seligman and R. W. Benjamin

Simulation of the effects of rumen function on the flow of nutrients from the stomach of sheep: Part 1--Description of a computer program pp. 195-219

J. L. Black, D. E. Beever, G. J. Faichney, B. R. Howarth and N. McC. Graham

Simulation of the effects of rumen function of the flow of nutrients from the stomach of sheep: Part 2--Assessment of computer predictions pp. 221-241

D. E. Beever, J. L. Black and G. J. Faichney

Letters to the editor pp. 243-241

Pat Fitzgerald and D. S. Rickard

Letters to the editor pp. 244-245

Gary W. Fick

Tropical grazing land ecosystems: A `state-of-knowledge' report prepared by UNESCO/UNEP/FAO, UNESCO, 1979 pp. 247-245

C. R. W. Spedding

Methods of studying root systems (Ecological studies volume 33): Bohm, W., Springer-Verlag Berlin, 1979, xii + 188 pp. with 69 text-figures, Price [pound sign]17[middle dot]85 pp. 247-248

F. B. Ellis

Volume 6, issue 2, 1980

A regret function for agricultural production systems pp. 81-91

Ilan Amir, Uri Shamir and Robert S. Broughton

Machinery selection method for farms in North India pp. 93-120

Gajendra Singh and Madan Lal Gupta

Energy minimised v. cost minimised alternatives for the US beef production system pp. 121-129

T. P. Yorks, W. C. Miller, J. J. Combs and G. M. Ward

Modelling systems of disease and yield loss in cereals pp. 131-154

P. S. Teng and R. E. Gaunt

Fundamentals of measurement and representation of natural systems: Rosen, Robert, Elsevier North-Holland, The Netherlands, 1978, 221 pp. Price not given pp. 155-156

D. A. Nutbrown

Rural settlement and land use: An essay in location: Chisholm, M., (3rd edition), Hutchinson, London. Price: [pound sign]6[middle dot]50 (cased), [pound sign]3[middle dot]25 (Paper) pp. 156-157

A. N. Duckham

Volume 6, issue 1, 1980

Editorial pp. 1-157

C. R. W. Spedding

Dynamics of plant and animal production of a subterranean clover pasture grazed by sheep: Part 1--Field measurements for model calibration pp. 3-22

E. F. Biddiscombe, G. W. Arnold, K. A. Galbrath and D. J. Briegel

Dynamics of plant and animal production of a subterranean clover pasture grazed by sheep: Part 2--structure and validation of the pasture growth model pp. 23-43

K. A. Galbraith, G. W. Arnold and B. A. Carbon

Unit farms and farming systems research: The IITA experience pp. 45-51

K. M. Menz

Economic and political influences on international trade of tropical logs pp. 53-66

Joseph Buongiorno, Pieter A. Tenny and James K. Gilless

Spatial aspects of weed control pp. 67-75

K. M. Menz, B. G. Coote and B. A. Auld

Energy, economic, and ecological relationships for Gotland, Sweden. A regional systems study: Jansson, A. M. and Zucchetto, J Ecological Bulletins Vol. 28. Swedish Natural Research Council, Stockholm, Sweden. 1978. Price: Swedish Kr. 70 (US $ 16) pp. 77-78

W. M. Mayon-White

Grassland ecosystems of the world: Coupland, R. T. (Editor). IBP Vol. 18, Cambridge University Press, 1979, 401pp. Price: [pound sign]25[middle dot]00 pp. 78-80

C. R. W. Spedding

Volume 5, issue 4, 1980

Dynamic simulation: A positive feedback mechanism for experimental research in the biological sciences pp. 239-250

James M. McKinion

Support energy and green crop fractionation in the United Kingdom pp. 251-266

V. D. McDougall

Feed conversion efficiency and the efficiency of the UK food chain pp. 267-278

R. M. Morris

Simulation-aided development of the Hawaii swine research programme pp. 279-294

Devindar Singh, Williams I. Hugh and Tung Liang

A mathematical model of the United States beef production system pp. 295-307

W. C. Miller, G. M. Ward, T. P. Yorks, D. L. Rossiter and J. J. Combs

Simulated comparisons of breeding plans for beef production: Part 3--systems for producing feeder-calves involving intensive culling and additional breeds of sire pp. 309-318

William R. Congleton and R. E. Goodwill

Systems analysis and operations research: A tool for policy and program planning for developing countries: The National Research Council, Washington DC, USA. 1976. Price: US$5[middle dot]50 pp. 319-320

M. Upton

Agricultural systems, theory and application: Dent, J. B. and Murty, V. V. N. (Editors). College of Agricultural Engineering, Punjab Agricultural University. 166 pp pp. 320-321

F. H. W. Morley

Modelling nitrogen from farm wastes: Gasser, J. K. R. (Ed.), Applied Science Publishers Ltd, London. 1979. Price: [pound sign]10[middle dot]00 pp. 321-322

J. A. C. Gibb

An introduction to agricultural systems: Spedding, C. R. W., Applied Science Publishers Ltd, London, 1979, ix + 169 pp. Price: [pound sign]4[middle dot]00 pp. 322-323

C. J. Th. Spitters

Volume 5, issue 3, 1980

Brucellosis eradication planning: An application of simulation modelling pp. 165-180

A. C. Beck and John L. Dillon

The agricultural marketing system in Zinder, Niger pp. 181-191

Bonnie Ann Stewart and W. Gerald Matlock

Modelling reproduction in a herd of dairy cattle pp. 193-205

P. A. Oltenacu, R. A. Milligan, T. R. Rounsaville and R. H. Foote

Simulated comparisons of breeding plans for beef production--Part 1: A dynamic model to evaluate the effect of mating plan on herd age structure and productivity pp. 207-219

W. R. Congleton and R. E. Goodwill

Simulated comparisons of breeding plans for beef production--Part 2: Hereford, angus and Charolais sires bred to Hereford, Angus and Hereford-Angus dams to produce feeder calves pp. 221-232

W. R. Congleton and R. E. Goodwill

Soil organisms as components of ecosystems: Lohm, U. and Persson, T. (Editors), Proc. VI. International Soil Zoology Colloquium, Uppsala, June 1976. Ecological Bulletins Vol. 25, 614 pp. 1977. Price: 140 SwCr (ca. [pound sign]20[middle dot]00 incl. air mail postage) pp. 233-235

Amyan MacFadyen

Interdependence in planning: Multilevel programming studies of the Ivory Coast: Goureux, Louis M., Published for the World Bank by The Johns Hopkins University Press, London, 1978. Price: Cloth [pound sign]15[middle dot]75, Paper [pound sign]4[middle dot]00 pp. 235-238a

Martin Upton

Ivory coast: The challenge of success: den Tuinder, Bastiaan A., Published for the World Bank by The Johns Hopkins University Press, London, 1978. Price: Cloth [pound sign]17[middle dot]50, Paper [pound sign]5[middle dot]50 pp. 235-238b

Martin Upton

Volume 5, issue 2, 1980

Simulation of the barley leaf rust epidemic: Structure and validation of BARSIM--I pp. 85-103

P. S. Teng, M. J. Blackie and R. C. Close

The analysis of agricultural distribution systems pp. 105-117

Gordon R. Foxall

The cultivation-cattle complex in Western Darfur pp. 119-135

R. T. Wilson, Liz Bailey, J. Hales, D. Moles and A. E. Watkins

A pasture production model for use in a whole farm simulator pp. 137-161

Gary W. Fick

Simulation of grazing systems: Christian, K. R., Freer, M., Donelly, J. R., Davidson, J. L. and Armstrong, J. S. PUDOC, Wageningen, The Netherlands, 1978 115 pp. Price: Dfl. 18 pp. 163-164

N. R. Brockington

Elements of system-dynamics simulation. A textbook with exercises: Ferrari, Th. J. PUDOC, Wageningen, The Netherlands, 1978. 89 pp. Price not stated pp. 163-161

N. R. Bruckington

Volume 5, issue 1, 1980

Models and techniques for scheduling farm operations: A comparison pp. 1-17

E. van Elderen

A general computer program for land grading using linear programming pp. 19-27

R. N. Biswal and Gajendra Singh

Agricultural systems in Ethiopia-- A review article pp. 29-38

Seleshi Sisaye

Agro-climates and agricultural systems in Ethiopia pp. 39-50

Amare Getahun

Energy usage in British agriculture--A review of future prospects pp. 51-70

P. N. Wilson and T. D. A. Brigstocke

Economic comparison of open and closed nucleus breeding schemes for wool production pp. 71-83

L. P. Jones and K. M. Napier