Compound eco-agricultural model and its engineering techniques for high yield farmland in Changtu County Liaoning Province

By application of eco-engineering to construct the compound eco-agricultural model of farming,forestry and animal husbandary with the maize growing as the center,the unifying of economic,social and ecological benefits was realized during the processes of eco-agricultural county construction in Changtu County. The experience could be extended to other dryland farming areas in North China for sustainable development of agriculture.