香椿冬季塑料大棚密植丰产高效栽培技术自８０年代初，山东农业大学林学院许慕农教授就开始在蒙阴县研究开发香椿冬季塑料大棚栽培技术，并获得成功。在此之后的十年间，经过我县有关科技人员和广大生产者不断改进完善，终于探索出一条高密度、高产量、高效益生产模式，广... Toon winter plastic greenhouse dense planting high yield and efficient cultivation techniques Since the early 1980s, Shandong Agricultural University, Professor Xu Mu-nong began to study in Mengyin County Toon plastic greenhouse cultivation techniques and success. In the following ten years, after continuous improvement and improvement of relevant scientific and technological personnel and vast producers in our county, we finally explored a production model of high density, high output and high efficiency, and ...