为探索水稻旱育秧移栽大田群体质量栽培技术应用中的适宜株行距配置 (密度 )、最适氮肥总用量及施用方法 ,特进行本试验研究。1　材料与方法试验设 (1)株行距配置 (密度 ) ,(2 )氮肥总用量 ,(3)施肥方法 ,三因素复合试验。采用 4水平 3因素正交设计 (见表 1)。表 1　试验因素水 This experiment was conducted to explore the appropriate row spacing configuration (density), the optimum nitrogen fertilizer dosage and application method in the application of mass cultivation techniques for transplanting rice field cultivation seedlings. 1 Materials and Methods Test Set (1) row spacing configuration (density), (2) total nitrogen fertilizer, (3) fertilization methods, three-factor composite test. Using 4 levels of 3 factors orthogonal design (see Table 1). Table 1 Test Factors Water