连作

结果显示施用大豆专用肥后，土壤酶活性和有效养分总体均能达到或高于轮作土壤常规施肥水平，这表明大豆专用肥能调控大豆连作所引起的土壤酶活性和养分恶化，最终使得大豆专用肥能克服大豆连作所引起的大幅度减产。

研究还发现，现行的以无机氮磷肥为主的施肥制度和玉米连作种植制度对土壤养分平衡有很大影响。

continuous positive airway pressure

continuous ambulatory peritoneal dialysis, CAPD

absolute continuous measure【数】;absolutely continuous measure【数】;

continuous pressure band filter

permanent continuous casting

continuous cycle hot plate veneering press【木】

continuous negative external pressure

screw-type continuous centrifugal