多种生产经营的科技书刊由于农村产业结构的调整，农民不仅需要粮食作物栽培技术的书刊，更需要传播多种生产、经营技术的书刊。如畜禽、水产等养殖技术及蔬菜、果树、瓜类、药材等栽培技术书刊。农副产品贮藏、加工技术书刊搞好农副产品贮藏、加工是增值、增收的有效途径，特? Because of the adjustment of the industrial structure in rural areas, farmers not only need books and periodicals for food crop cultivation techniques, but also need to spread books and periodicals of various kinds in production and management. Such as livestock and poultry, aquaculture and other farming techniques and vegetables, fruit trees, melons, herbs and other cultivation technology books and periodicals. Agricultural and sideline products storage, processing technology books do a good job of agricultural and sideline products storage, processing is an effective way to add value, increase income, especially?