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 24, issue 4, 1987

Irrigation water policy effects on regional crop allocations in Peru pp. 249-268

L. R. Zavaleta

Using the concept of physiological age to predict the efficiency of growth in beef animals pp. 269-289

O. J. Loewer, L. W. Turner, N. Gay, R. Muntifering and C. J. Brown

Reconciling conflicts in sequential cropping patterns through plant breeding: The example of cotton and wheat in Pakistan's Punjab pp. 291-304

Derek Byerlee, M. Ramzan Akhtar and Peter R. Hobbs

Plantable stem supply system for IITA cassava varieties in Oyo State of Nigeria pp. 305-317

Malachy O. Akoroda, A. Ebun Oyinlola and Tesfaye Gebremeskel

Comments on `the use of multiple regression analysis to estimate average corn yields using selected soils and climatic data' pp. 319-320

R. Coe

Reply to `comments on "the use of multiple regression analysis to estimate average corn yields using selected soils and climatic data"' pp. 320-323

K. R. Olson and G. W. Olson

Planning and managing change: Mayon-White, Bill (Ed.). Harper & Row (London), 1986, xi + 271 pp. Price: [pound sign]8[middle dot]50 (Paperback) pp. 325-327

A. K. Giles

Modelling farm decisions for policy analysis: Baum, K. H. and Schertz, L. P. (Ed.). Bowker Publishing Co., Epping, Essex, for Westview Press, 1984, xvii + 418 pp. Price: [pound sign]19[middle dot]50 pp. 327-328

Tahir Rehman

Pesticides and groundwater quality--issues and problems in four states: Holden, Patrick W. National Academy Press, Washington, 1986, 124 pp. Price: [pound sign]13[middle dot]40 pp. 327-327

S. Nortcliff

Volume 24, issue 3, 1987

Soil nitrogen and fertilizer recommendations for irrigated rice in the Philippines pp. 165-181

Joyotee Smith, H. U. Neue and Gloria Umali

Models for systems analysis of potato integrated pest management pp. 183-197

D. A. Haith, G. S. Farmer and G. B. White

Computer simulation of monitoring herd productivity under extensive conditions: Sampling error of herd size and offtake rate pp. 199-210

R. Baptist

Crop yields under the traditional cropping patterns in a middle-belt savanna agro-ecological zone of Nigeria pp. 211-220

B. A. Kalu and J. C. Norman

Determination of potential yield-limiting factors of soybeans using SOYMOD/OARDC pp. 221-242

D. L. Elwell, R. B. Curry and M. E. Keener

Agricultural productivity in the socialist countries: Wong, Lung-Fai, Westview Special Studies on Agricultural Science and Policy, Westview Press, Boulder and London, 1986, xviii + 193 pp. Price: [pound sign]17[middle dot]00 pp. 243-244

N. P. Russel

Biotechnology in agriculture and forestry 2: Crops 1: Bajaj, Y. P. S. (Ed.). Springer-Verlag, Berlin, 1986. xviii + 608 pp. Price: DM 348 pp. 244-246

E. H. Roberts

The economics of tropical farm management: Makeham, J. P. and Malcolm, L. R. Cambridge University Press, Cambridge, 1986. Price: [pound sign]19[middle dot]50/$39[middle dot]50 hardcover; [pound sign]6[middle dot]95 paperback pp. 246-247

James Copestake

Volume 24, issue 2, 1987

Profitability analysis of a farming system in Africa pp. 81-93

Michael Boateng, C. Brice Ratchford and Melvin Blase

The properties of agroecosystems pp. 95-117

Gordon R. Conway

Prospects for grass-clover swards in beef production systems: A computer simulation of the practical and economic implications pp. 119-148

C. J. Doyle, J. Morrison and S. Peel

A model to facilitate farm machinery use and cost data collection pp. 149-157

G. C. Misener and C. D. McLeod

Social scientists in agricultural research: Lessons from the Mantaro Valley project, Peru: Horton, Douglas E. IDRC, Ottawa, Ont., 1984,67 pp.: ill. ISBN: 0-88936-400-1. Available from the International Potato Center, PO Box 5969, Lima, Peru, in English, Spanish and French pp. 157-159c

P. M. Harris

Breaking new ground: Agricultural anthropology: Rhoades, Robert E. International Potato Center, Lima, 1984, 84 pp. Price: US$6[middle dot]75. XII-SS-E-10-0-4500 pp. 157-159b

P. M. Harris

Markets, myths, and middlemen: A study of potato marketing in Central Peru: Scott, Gregory J. International Potato Center, Lima, 1985, 196 pp. Price: US$11[middle dot]75. XIII-SS-E-18-0-1500. Both above publications available from the Agribookstore, Rosslyn Plaza, 1611 N. Kent Street, Arlington, VA 22209, USA pp. 157-159a

P. M. Harris

Comercializacion interna de los alimentos en america latina: Problemas, productos y politicas: Scott, Gregory J. and Costello, M. Gary. Seleccion de las ponencias presentadas en un seminario internacional celebrado en el Centro International de Agricultura Tropical en Cali, Colombia, 11-13 julio 1984. CIID, Ottawa, Ont., 1985, 253 pp.: ill. IDRC-243s. Available from IDRC, PO Box 8500, Ottawa, Canada K1G 3H9 pp. 159-163

P. M. Harris

Volume 24, issue 1, 1987

Cattle accumulation and the commercialization of the traditional livestock industry in Botswana pp. 1-29

Roy H. Behnke

Smallholder farmers and forestry development: A study of rural land use in Bendel, Nigeria pp. 31-51

G. J. Osemeobo

Land use and agricultural practices in the Kainji lake area of Nigeria pp. 53-66

E. O. Adekolu-John

An Ex-ante economic appraisal of mono-cropping, mixed cropping and inter-cropping of annual and perennial crops pp. 67-80

Nkwain Sama Joseph

Volume 23, issue 4, 1987

A simulation model of the growth of the cassava crop and its use to estimate cassava productivity in northern Australia pp. 237-257

S. Fukai and G. L. Hammer

Traditional cropping systems in northwestern Spain (Galicia) pp. 259-275

Jaime Lloveras Vilamanya

Simulated effects of changing strategies on production performance of Gobra Zebu cattle pp. 277-286

K. P. Abassa, J. H. Conrad and G. H. Smerage

An economic and sociological analysis of mixed cropping in Menoua Division of Cameroon pp. 287-299

Ajaga Nji and J. Nkwain Sama

Modelling the dynamics of sheep flocks in Egypt pp. 301-309

Hisham El-Shishiny, Hussein Mansour and E. Salah E. Galal

Animal powered systems: Lowe, Peter. Friedr. Vieweg & Sohn, Braunschweig/Wiesbaden. Marketed and distributed by John Wiley & Sons Ltd, 1986. 60 pp. Price: [pound sign]5[middle dot]75 pp. 311-312

Paul Starkey

On farm agronomic trials in farming systems research and extension: Hildebrand, P. E. and Poey, F. Lynne Riemer Publ. Inc., Boulder, Colorado, 1985. 162 pp. Price: [pound sign]13[middle dot]50 pp. 312-313

M. J. Rolls

Volume 23, issue 3, 1987

Optimal stocking rates for several species-farming pp. 159-166

Chris Koen

Household gardens: Theoretical and policy considerations pp. 167-186

Vera Ninez

The effects of guard rows on variety test results of maize pp. 187-195

John C. W. Keng and John W. Hall

Measures for assessing the productivity of sheep and goats pp. 197-210

C. P. Peacock

Agriculture and its environment: Are there other ways? pp. 211-236

C. T. de Wit, H. Huisman and R. Rabbinge

Volume 23, issue 2, 1987

An analysis of supply response among cotton growers in Malawi pp. 79-94

Duncan M. Chembezi and Abner W. Womack

A potential family food production system for warm climates based on potato production from true seed in home gardens and simple processing pp. 95-105

S. G. Wiersema and R. H. Booth

Parameter estimation and calibration of simulation models as a non-linear optimization problem pp. 107-116

H. Talpaz, G. D. da Roza and A. B. Hearn

Goal programming with penalty functions and livestock ration formulation pp. 117-132

Tahir Rehman and Carlos Romero

The role of on-farm trails in the evaluation of composite technologies: The case of alley farming in Southern Nigeria pp. 133-152

A. N. Atta-Krah and P. A. Francis

Soil Conservation: Assessing the National resources inventory--Volume 2: National Research Council National Academy Press, Washington, D.C., 1986. 314 pp. Price: [pound sign]23.75 pp. 153-155

Stephen Nortcliff

Biotechnology in agriculture & forestry 1: Trees, I: Bajaj, Y. P. S. (Ed.) Springer-Verlag, 1986. 515 pp. Price: DM 298 pp. 155-156

D. L. Pyle

Food for all in a sustainable world. The IIASA food and agriculture program: Parikh, K. and Rabar, F. (Eds) International Institute for Applied Systems Analysis, Lexenburg, Australia, 1981. xiii + 250 pp. No price given pp. 156-157

J. G. W. Jones

Volume 23, issue 1, 1987

Multiple objective programming: An approach to planning and evaluation of agroforestry systems: Part 2--An illustrative example and analysis pp. 1-18

Guillermo A. Mendoza, Gene E. Campbell and Gary L. Rolfe

Modeling animal-unit-equivalents for beef cattle pp. 19-26

David L. Scarnecchia and Charles T. Gaskins

Soil rating for crop production in the savanna belt of south-western Nigeria pp. 27-42

Adeniyi Gbadegesin

Farmers' views of the prospects for agriculture in a metropolitan area pp. 43-61

William Lockeretz, Julia Freedgood and Katherine Coon

Physical and nutrient status of soils under rubber (Hevea brasiliensis) of different ages in south-western Nigeria pp. 63-72

A. O. Aweto

Innovation policy for small farmers in the tropics: The economics of technical innovations for agricultural development: Ruthenberg, H. and Jahnke, H. E. (Editors). Clarendon Press, Oxford, 1985, xii + 176 pp. Price: [pound sign]17.50 pp. 73-74

Ian Carruthers

Cowpea research, production and utilisation: Singh, S. R. and Rachie, K. O. (Editors). Wiley Interscience Publications, John Wiley and Sons Ltd, Chichester, 1985, 460 pp. Price: [pound sign]22.50 pp. 74-75

D. Drennan

IITA research briefs: International Institute of Tropical Agriculture. 7(1), pp. 1-8, March, 1986. No price given pp. 75-75

R. S. Tayler

The behaviour of domestic animals: Hart, Benjamin L. W. H. Freeman and Company, New York, 1985, 390 pp. Price: [pound sign]33.95 (hardback) pp. 75-77

M. J. Bryant