The results show that:The value of 12 kinds of corn declined with the maturity time including: CP, NDF, ADF, DM, EE, GE, WSC , OM , and FBC ascended in the different harvest time.

• 所有品种全株的蛋白质含量,NDF和ADF含量在成熟的过程中都有下降趋势。 而干物质、粗脂肪、总能、WSC、有机物、EE、碱贮在总体趋势上都有不同程度的上升。