In developing fruit business in southern Jiangxi province,the prevailing problems concerning severe soil erosion,low utilization
ratio of land,and less benefit in a short time should be solved.Interplanting with grass,forage and economic crops is a main measure of water and soil conservation.By means of planting Paspalum notatum ,designing“hillside ditches”,introducing grain amaranth from America,developing breeding and multi management,a good circle of fruit amaranth pigs marsh fruit has been formed;comprehensive benefits of orchards have been gained;the coverage of orchards has been increased;the utilization ratio of land has been raised and the ecological environment of orchards has been improved.The studies note that the phenomenon of severe soil erosion in developing fruit estate should not be neglected.And the control of water loss and soil erosion with local conditions and the ecological environment of orchards should be considered when the financial benefit is gained.It is the model of multi management and comprehensive management that has boomed every field of work and has gained obvious benefits of ecology,economy and society and is an effective way of lasting the land of orchards as well.