The "Six-Three Systems Engineering Project" in eco-agricultural development in Hetao Plain in lnner Mongolia

In viewing the three restricting factors: soil salinization,sandy erosion and deterioration of land productivity to the development of eco-agriculture in Hetao Plain,the "Six-Three Systems Engineering",an macro-controlling model and policy for operation and management of ecological agricultural construction in the plain,are designed and complied,which is a comprehensive achievement in the research of natural and social sciences.