Over first four of the value of industrial output is derived from or influenced by agriculture.
Rural population reaches third four of the national population.
Information has been recognized increasingly by people as resource of paramount importance to social and economic development in China. IT is an integration of computer science, communication technology, networking technology and sensing technology, and featuring Internet in the information age. Its aim is to develop and use information and software technology in solving problems posed from agriculture, a major part from plant protection. For enhancing vegetable pest management we have developed an array of databases, expert systems and GIS and are managing for their integration as decision supporting systems. China is tremendously vast in territory and strikingly diverse in meteorology and biogeography.