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 61, issue 3, 1999

A model to find and test decision rules for turnout date and grazing area allocation for a dairy cow system in spring pp. 151-164

F. C. Coleno and M. Duru

A bioeconomic decision model comparing composted and fresh litter for winter squash pp. 165-178

S. S. Andrews, Luanne Lohr and M. L. Cabrera

A management approach to change on farms pp. 179-189

M. Gafsi

Institutional management regimes for pricing of irrigation water: the French model -- lessons for India pp. 191-205

N. Nagaraj

Dynamics of a sheep population in a Sahelian area (Ndiagne district in Senegal): a periodic matrix model pp. 207-221

M. Lesnoff

Book review pp. 223-224

Peter de Leeuw

Volume 61, issue 2, 1999

Multi-scale modelling of land use change dynamics in Ecuador pp. 77-93

G. H. J. de Koning, Peter Verburg, A. Veldkamp and L. O. Fresco

A predictive model for beef cattle growth and carcass composition pp. 95-107

D. J. Kilpatrick and R. W. J. Steen

Quantification of land use systems using technical coefficient generators: a case study for the Northern Atlantic zone of Costa Rica pp. 109-121

H. Hengsdijk, B. A. M. Bouman, A. Nieuwenhuyse and Hans Jansen

On the estimation of on-farm benefits of agricultural research pp. 123-134

David Pannell

Exploring the link between farmers' objectives and the phenomenon of pasture degradation in the beef production systems of Central Brazil pp. 135-146

F. P. Costa and T. Rehman

Book reviews pp. 147-146

B. Thorpe

Book review pp. 148-149

R. Muinga

Volume 61, issue 1, 1999

Modelling non-structural carbohydrates in forage grasses with weather data pp. 1-16

R. Wulfes, P. Nyman and A. Kornher

Economic optimization of dairy heifer management decisions pp. 17-31

M. C. M. Mourits, R. B. M. Huirne, A. A. Dijkhuizen, A. R. Kristensen and D. T. Galligan

A conceptual model for analysing input-output coefficients in arable farming systems: from diagnosis towards design pp. 33-44

T. J. de Koeijer, Ada Wossink, M. K. van Ittersum, P. C. Struik and J. A. Renkema

Analyzing agricultural demand for water with an optimizing model pp. 45-56

I. Amir and F. M. Fisher

Optimal rotation of peanuts and cotton to manage soil-borne organisms pp. 57-68

Curtis Taylor and R. Rodriguez-Kabana

Model-based technique to determine variable rate nitrogen for corn pp. 69-75

J. O. Paz, W. D. Batchelor, Bruce Babcock, T. S. Colvin, S. D. Logsdon, T. C. Kaspar and D. L. Karlen

Volume 60, issue 3, 1999

Toward integrated assessment in agriculture pp. 157-167

W. L. Bland

Modeling digestibility dynamics in leaf segments in a grass: a new approach to forage quality changes in a growing plant pp. 169-174

M. Hirata

EPICphase, a version of the EPIC model simulating the effects of water and nitrogen stress on biomass and yield, taking account of developmental stages: validation on maize, sunflower, sorghum, soybean and winter wheat pp. 175-196

M. Cabelguenne, P. Debaeke and A. Bouniols

Land allocation conditioned on El Nino-Southern Oscillation phases in the Pampas of Argentina pp. 197-212

C. D. Messina, J. W. Hansen and A. J. Hall

The effect of the use of improved climate forecasts on variable costs, input usage, and production pp. 213-225

J. W. Mjelde and H. S. J. Hill

Volume 60, issue 2, 1999

Long-term assessment of nitrogen and variety technologies on attainable maize yields in Nigeria using CERES-maize pp. 77-86

S. S. Jagtap, F. J. Abamu and J. G. Kling

Assessment of production risk in grazing models pp. 87-98

Oscar Cacho, A. C. Bywater and J. L. Dillon

Environmental-economic decision-making in lowland irrigated agriculture using multi-criteria analysis techniques pp. 99-112

D. N. Tiwari, R. Loof and G. N. Paudyal

Survival of the fittest--genetic algorithms versus evolution strategies in the optimization of systems models pp. 113-122

D. G. Mayer, J. A. Belward, H. Widell and K. Burrage

Modeling nitrogen cycling in tomato-safflower and tomato-wheat rotations pp. 123-135

J. Cavero, R. E. Plant, C. Shennan, D. B. Friedman, J. R. Williams, J. R. Kiniry and V. W. Benson

Replanting strategies for grain sorghum under risk pp. 137-155

Jeffery Williams, D. R. DeLano, R. W. Heiniger, R. L. Vanderlip and Richard Llewelyn

Volume 60, issue 1, 1999

Impact of policy interventions on land management in Honduras: results of a bioeconomic model pp. 1-16

B. Barbier and G. Bergeron

Methodological proposal for modelling and implementing regulation application problems in a knowledge-based system pp. 17-53

B. Recio, S. T. Acuna and N. Juristo

Effects of climatic and price uncertainty on the value of legume crops in a Mediterranean-type environment pp. 55-69

S. G. M. Schilizzi and R. S. Kingwell

Volume 59, issue 3, 1999

DAIRYPRO--a knowledge-based decision support system for strategic planning on sub-tropical dairy farms. I. System description pp. 245-255

D. V. Kerr, R. T. Cowan and J. Chaseling

DAIRYPRO--a knowledge-based decision support system for strategic planning on sub-tropical dairy farms. II. Validation pp. 257-266

D. V. Kerr, J. Chaseling, G. D. Chopping and R. T. Cowan

An application of data envelopment analysis to irrigated dairy farms in Northern Victoria, Australia pp. 267-282

Iain Fraser and D. Cordina

Risks of post-emergence weed control strategies in sugar beet: development and application of a bio-economic model pp. 283-299

A. J. de Buck, H. B. Schoorlemmer, Ada Wossink and S. R. M. Janssens

Risk assessment for sudden death syndrome of soybean in the north-central United States pp. 301-310

H. Scherm and X. B. Yang

Modelling multiple objectives of land use for sustainable development pp. 311-325

P. Zander and H. Kachele

Volume 59, issue 2, 1999

Analysis of yield, sowing and flowering dates of barley of field survey results in Spain pp. 107-122

I. Supit and W. Wagner

Modelling expert knowledge with knowledge-based systems to design decision aids: The example of a knowledge-based model on grazing management pp. 123-144

N. Girard and B. Hubert

Exploring options for sustainable beef cattle ranching in the humid tropics: a case study for the Atlantic Zone of Costa Rica pp. 145-161

B. A. M. Bouman and A. Nieuwenhuyse

Probit analysis of livestock producers' demand for private veterinary services in the high potential agricultural areas of Kenya pp. 163-176

N. E. Tambi, W. A. Mukhebi, W. O. Maina and H. -M. Solomon

Population dynamics and crop yield effects of nematodes and white mold in peanuts, cotton and velvet beans pp. 177-191

Curtis Taylor and R. Rodriguez-Kabana

Community history and rural development: why some farmers participate more readily than others pp. 193-214

B. B. Walters, A. Cadelina, A. Cardano and E. Visitacion

Development of a simulation model for studying kiwi fruit orchard management pp. 215-239

F. Lescourret, N. Blecher, R. Habib, J. Chadoeuf, D. Agostini, O. Pailly, B. Vaissiere and I. Poggi

Book Review pp. 241-242

Unknown

Book Review pp. 242-244

Unknown

Volume 59, issue 1, 1999

The effects of wealth on livestock dynamics among the Datoga pastoralists of Tanzania pp. 1-25

Daniela F. Sieff

A dynamical systems model of the interaction of earthworms with plant litter quality and quantity pp. 27-39

S. Kopetschny, G. C. Wake, M. G. Lambert, K. Louie and J. A. Springett

Evapotranspiration predictions: a comparison among GLEAMS, Opus, PRZM-2, and RZWQM models in a humid and thermic climate pp. 41-55

Q. L. Ma, J. E. Hook and R. D. Wauchope

Large-scale simulation of wheat yields in a semi-arid environment using a crop-growth model pp. 57-66

A. C. Chipanshi, E. A. Ripley and R. G. Lawford

Modelling operational adaptations of tactical production plans on pot plant nurseries: a simulation approach pp. 67-78

K. J. Leutscher, J. A. Renkema and H. Challa

Measuring the costs of African animal trypanosomosis, the potential benefits of control and returns to research pp. 79-98

P. M. Kristjanson, Brent Swallow, G. J. Rowlands, R. L. Kruska and P. N. de Leeuw