Determinants of sustainability of a Colombian hillside farm

被引:6
|
作者
Hansen, JW
Knapp, EB
Jones, JW
机构
[1] Ctro. Internacional de Agric. Trop., AA 6713, Cali
[2] Agric. and Biol. Eng. Department, University of Florida, Gainesville, FL 32611-0570
关键词
D O I
10.1017/S0014479797004031
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
This study applies systems simulation to characterize determinants of sustainability of a hillside farm in the upper Cauca River watershed of Colombia. A farm model linked to process-level crop models was used to simulate a set of farm scenarios. Sustainability, expressed as the probability of farm continuation, was estimated for each scenario based on replicated simulation with stochastic weather and price inputs. Hypotheses about determinants of sustainability were tested by sensitivity analysis. Results identify cropping system, area under cultivation, consumption requirements and crop prices as important determinants of sustainability. The study highlights the impacts of price variability and spatial diversification on farm risk and the results suggest ways to enhance the sustainability of the farm. The methodology was useful for integrating the diverse biophysical and economic factors that affect farm sustainability.
引用
收藏
页码:425 / 448
页数:24
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