After correlation analysis of the raw of growth and development, dry matter accumulation, rate of filling, hulk density and yield, it concluded that the best sowing-time was on 30th in April and the best harvest-time was on 5th in October.

• 通过对生长发育规律及对干物质积累、灌溉速率、容重、产量进行相关分析，确定4月30日左右为吉油1号玉米的最佳播种期，10月5日左右为最佳收获期。