THE DESIGN OF AGRICULTURE ECOLOGICAL ENGINEERING IN THE DEMONSTRATION REGIONS OF COMPREHENSIVE CONTROLLING PURPLE SOIL UPLAND IN THE MIDDLE PART OF HUNAN PROVINCE
基于湘中紫色土旱地综合治理示范区背景，划分土壤生态类型，提出包含11种生态工程类型和2个农业生态工程区的设计方案，实施6年后取得显著经济、社会和生态效益。
This paper is on the basis of investigating background and designing a aim of agriculture ecological engineering in the demonstration regions of comprehensive controlling purple soil upland in the middle part of Hunan Province, then mark off the soil ecotype, put forward task and content of agriculture ecological engineering, establish a project that include eleven ecological engineering types, relevant ecological technology and two agriculture ecological engineering regions. In six years, we comprehensive control the purple soil upland in the demonstration regions according to the design of agriculture ecological engineering and get the remarkable economic benefit, social benefit and ecological benefit.