种草养畜肥田建设生态农业

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

摘要:

本文分析了我省农业生产的优势、良好的农业资源及生态条件。提出农业生产上存在的主要问题是:耕地土壤肥力下降,土壤物理化学性状变劣;化肥施用量逐年增加,而农家肥用量低;西部草原“三化”日益严重,生态环境恶化。解决的途径是:大力发展草食家畜,走畜多、肥多、粮多、收入多之路;种草养畜,改土肥田,采取综合措施,治理“三化”草场。逐步建设起“两高一优”的生态农业。

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.