综合运用作物模拟技术、知识工程技术，建立了黄淮海地区棉花生产管理系统（ＣＯＴＭＡＳ）。它由棉花模拟模型（ＧＯＳＳＹＭ）、棉田管理专家系统（ＣＭＥＳ）、图形用户界面（ＧＵＩ）和数据库组成，可以对棉花生产管理中的氮肥、水和植物生长调节剂（缩节安）的管理提供辅助决策，并应用ＣＯＴＭＡＳ对黄淮海棉区的代表品种中棉所１２、中棉所１７的种植密度和株行距配置进行了计算机模拟试验，结果分析表明：模拟试验选出的最优配比基本上与生产实际相吻合。

A cotton production management system for the Huang-Huai-Hai region in China has been established by applying the techniques of crop simulation model and knowledge engineering.It is composed of the cotton simulation model,GUI and data base.It can suggest the reasonable applications of nitrogen fertilizer,irrigation and plant growth regulator.The computer simulation experiments for selecting the optimal row spacing and planting density have been made by using the COTMAS.The results show that the selected optimal values are basically in conformity to the practical ones.