At present, Northeast spring c新從orn is in the big bel煙兵l stage, Northwest spring cor這科n is in the headi關我ng stage, and Huanghuaihai 理聽summer corn is in the jointing stage,報鄉which is the window唱都 period for corn population constru店章ction and yield forma間場tion. Recently, there At present, Northeast 音物spring corn is in the big bell st人要age, Northwest sprin身開g corn is in the heading stage, 公麗and Huanghuaihai summer co能玩rn is in the jointing st海姐age,which is the wi信門ndow period for corn po道房pulation construction and坐風 yield formation. Rece懂暗ntly, there