关键词: 梨, 梨, NAA, 衰老, 抑制作用

Abstract: The innovation of technology and management mechanism was emphsized in the project of science and technology for food production in Hebei, and the significant achievement has been obtained by integration and extention of high technology on the bases of different ecological regions. (1) Simultaneous increasing of output and benefit of wheat and corn has been achieved in project region, which drives the food production increasing in Province. (2) The significant saving of water and cost promotes the sustainable development of food production in Hebei Province. (3) The complete changing of traditional and old planting mode increases the consciousness of science and technology. (4) The training of person with science and technology brings along the development of relative subject.