Through years of survey and investigation of plot test and high-yielding cultivation, the grain number and spike of wheat were studied.
通过多年的小区高产栽培试验和高产攻关，对小麦的穗数、穗粒数进行了研究。
Through years of survey and investigation of plot test and high-yielding cultivation, the grain number and spike of wheat were studied.
通过多年的小区高产栽培试验和高产攻关，对小麦的穗数、穗粒数进行了研究。
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