一、什么叫优良品种毛主席教导说:“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成”。所谓优良小麦品种主要是指某个品种具有与特定地区的自然环境、社会经济条件和栽培管理水平相适应的一系列优良的特征、特性,能够更好地利用该地区的有利条件,抵 First, what is the fine variety Chairman Mao taught that: “With excellent varieties, that is, without increasing labor, fertilizer, but also get more harvest ”. The so-called fine wheat varieties mainly refer to a series of excellent characteristics and characteristics that a certain variety has in conformity with the natural environment, social and economic conditions and cultivation and management level in a specific area, and can better utilize the favorable conditions in the area,