中文摘要：

作物模型的研究和应用有利于科研成果的综合集成、作物种植管理决策的现代化和辅助国家决策，是农业研究中的重要工具。一个完整的作物模型一般包括作物生长模块、水分运动模块与氮素迁移转化模块。这三者相互联系，相互影响。木文对上述3个模块的发展历程以及应用比较广泛、综合性比较强的几个模型进行综述，对比各自的优缺点，指出了作物模型今后的发展方向。

英文摘要：

Crop models are an important tool in agricultural studies which are beneficial to the comprehensive integration of achievements as well as modernization of decision-making on crops management. Generally, crop model includes three modules, which are crop growth module, water movement module and nitrogen cycle module, they are interrelated and interplayed. This paper reviewed the development of above modules and models which are used widely and comprehensively, compared the advantages and disadvantages of important models and prospected some future trends.