Simulation alfalfa growth in Wulanbuhe sandy region

Abstract

Abstract: Based on the theories of accumulated temperature and on the physio-ecological characteristics of Medicago sativa, a simulation model for its growth under soil water stress in arid sandy region was developed. The model was mainly composed of four modules: the stage module of growth, the dynamic module of leaf area index, the accumulated module of dry matter, and the distributive module of dry matter. After simulating and calculating, the model could be used to predict the growing progress and dynamic changes of leaf area and yield for herbage in sandy region. The result shows that the application of the model to production is usually effective.

Key words: Wulanbuhe sandy region, Alfalfa, Growth, Simulation

CLC Number:

Q94.32

BAI Wenming, BAO Xuemei. Simulation alfalfa growth in Wulanbuhe sandy region[J]. Chinese Journal of Applied Ecology, 2002, (12): 1605-1609.

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