关于稳定发展我省生猪生产的思考

The Species and The Research Status of Bio-control of Plant Pests in Germany

摘要:

本文通过对我省生猪生产发展的各历史阶段的分析,比较了我省养猪同国内外养猪生产水平的差距。提出了今后发展我省生猪生产的主要措施:在经营方式上,大力推广龙型经济和股份合作制。推广科学技术和三元杂交猪,注意产品的加工和销售工作。

Abstract:

The important diseases and insects on maize,cereals,patato,sugar-beet andcruciferous crop and their occurrence in Germany are described. The research status on cereal insects and diseases,computer modelling of winter wheat eco-system,plant resistance,and sprayer in Germany are illustrated. The research status of biological control, massrearing and field application of Trichogramma and other beneficial insects,and the effectsof insecticides on beneficial arthropoda in Germany are introduced.