【作者】 李中贤；

【导师】 郝晋珉；

【作者基本信息】 中国农业大学 ， 种植业， 2004， 硕士

【摘要】 芮城县位于山西省的苹果主产区，自然条件具有生产优质苹果的资源优势，近年来苹果产业逐渐成为该县的主导产业。但是，由于盲目追求高产而过量施用氮肥或不合理施肥，造成了果品质量下降、病果增多、果树早衰、产量及效益普遍下降的局面。为了适应国内外市场对无公害果品的巨大需求，实现果品生产的优质、高产、高效，芮城县科技局大力引进科学施肥新技术和无公害肥料新产品。在科学施肥新技术推广中组建了农化服务网络模式，大力推广了SV有机无机复肥，取得了明显的生态效益和经济效益，有效地推进了芮城无公害果业的发展。更多还原

【Abstract】 Ruicheng County is one of the main apple production areas in Shanxi Province. It has dominant natural resources to product the good quality apples. The apple production is becoming a leading industry in the county. However, because of unreasonable application of fertilizer rate and techniques, the apples produced are not good quality. Meantime, Agrochemical services Web network are built, and the SV organic and inorganic fertilizer is used to the county. As a result, these new extension approaches show obvious ecological and economic advantages and promote Ruicheng County pollution-free production.更多还原