At present, Northeast spring corn謝資 is in the big bell stage, North慢子west spring corn is樹窗 in the heading stage, and Hu女店anghuaihai summer corn is in the joint科男ing stage,which is the windo道呢w period for cor開時n population construction and yield for很區mation. Recently, there At present, Northeast spring corn i雜綠s in the big bell stage,家見 Northwest spring corn is in the房服 heading stage, and Huanghuaihai summer有校 corn is in the jointin在文g stage,which is the window 長得period for corn population con黃訊struction and yield formation. Recently街也, there