小麦倒伏与否,对产量关系很大。根据历年经验:倒伏的一般减产均在10—20%,如果在扬花期卧倒,减产将在30%以上。1958年,河津县出现的五个高额丰产单位,虽然每亩产量均在2,000斤以上,但生长的一个共同特点是不倒伏或倒的迟、倒的少。从他们的加工管理措施 Wheat lodging or not, a great deal of yield. Based on years of experience: the general reduction of lodging are 10-20%, if the flowering down, the reduction will be above 30%. In 1958, the five high-yielding units in Hejin County, although producing more than 2,000 kilograms per mu, were characterized by a common feature of growth that they did not fall or fell late and did not. From their processing management measures