文章论述了钱学森提出创建知识密集型草产业的历史背景、科学内涵、理论意义、应用成果和在21世纪中国可持续发展战略中的重要作用，并根据钱老的主张，提出当前启动全国大规模草产业工程必须创新管理机制。

This article describes Qian Xuesen's initiation of knowledge-intensive grass industry，including its historical background, scientific connotation, theoretical meaning, application achievements and its important role in the sustainable development strategy of China in the 21st century. The article, according to Qian´s opinion, states that the administrative mechanism has to be renovated as the massive grass industry projects are being implemented nation-wide.