俗语说:“冬发长产量,春发长看相”。这说明了三麦冬发的重要性。三麦在一月份都将进入幼穗分化期。据观察,凡是在幼穗分化前出生的分蘖,成穗率高,穗头也大;在幼穗分化后出生的分蘖,成穗率低,穗头也小。要想穗多夺高产,就要抓住冬发关。要冬发,种好是基础,管好是关键、只有一种 As the saying goes: “long winter hair production, spring hair look long ”. This shows the importance of three wheat winter hair. San Mai will enter the panicle in January. It is observed that all the tillers that were born before young spike differentiation had high spike formation rate and large spike heads. Tillers born after young spike differentiation had low spike rate and small spikes. To win more productive spike, we must seize the winter off. To winter hair, good is the foundation, management is the key, there is only one