Accurate forecast of wheat harvest period is the premise to obtain uttermost crop yields.The phonological sequentiality and synchronization could be applied to forecast the growing season of crops.

• 摘要可靠准确的小麦收获期预报是适时收获、最大限度获取产量的前提，物候现象出现的顺序性和同步性，可用来预测作物生长期。