In this experiment,the applying fertilizer of 450kg/hm2 effect was the best,the effect of each treatment was:Si3>Si4>Si5>Si2>Si1>Si0,which showed significant differences. In two fertilizer way the basal fertilizer is better than return green fertilizer.

• 在本试验中,生物硅肥施用量为450kg/hm2效果最好,施肥效果各处理表现为:Si3>Si4>Si5>Si2>Si1>Si0,各处理间差异达到极显著,两种施肥方式基肥的要比返青肥的效果好。