自1991年以来，辛集市农技中心推广植粮间作技术获得了高产高效，到1995年底，全市区椿粮间作面积发展至1000多亩．经实地考察、座谈，采用这种模式，可在粮食基本不减产的基础上，香椿种植后的第二年即可获得经济效益，一般亩可产嫩芽50公斤左右，效益250元上下。以后随着树龄 Since 1991, Xinji City Agricultural Technology Center to promote intercropping technology for grain production has been high yield and high efficiency, by the end of 1995, the city’s area of ​​peng grain development to 1000 mu. On the basis of field investigation, discussion and adoption of this model, economic benefits can be obtained in the second year after toon planting, on the basis of basically no reduction of grain output. Generally, 50 kg of tender shoots can be produced per acre, and the benefit is about 250 yuan. With age later