所谓夏播小麦,有两个含义:一是指在夏季播种、秋末收获这种小麦栽培方式;二是指适宜夏播的品种类群。这里所说的夏季,是指依照现行四季划分标准,候平均气温高于22℃的季节。在我国及其他北温带国家,小麦生产上主要是秋冬季播种和春播,过去并没有以获得籽粒产量为目的的夏播小麦生产。一般秋冬季或春季播种的小麦,其生育前期都要经历一个低温阶段(至少在20℃以下)。但在夏季自然条件下,并不存在这样的低温条件。那么在夏季播种 The so-called summer sowing wheat, there are two meanings: First refers to sow in the summer, autumn harvest this wheat cultivation methods; second refers to the appropriate summer sowing species groups. Here refers to the summer, refers to the current four seasons divided, waiting for the average temperature above 22 ℃ season. In China and other northern temperate countries, wheat production is mainly sowed and sowed in autumn and winter, and in the past, no summer sowing wheat was produced for the purpose of obtaining grain yield. Generally fall winter or spring sown wheat, its pre-growth period to go through a low temperature stage (at least below 20 ℃). However, in summer natural conditions, there is no such low temperature conditions. Then sow in the summer