优良品种在“双高一优”农业中的作用与开发途径山西省农业种子总站张亨禄发展“双高一优”农业必须依靠科学技术的进步。在科学技术的诸要素中，优良品种的开发与应用至关重要。那么，如何在高产优质高效农业中充分发挥优良品种的作用呢？现根据个人的认识，结合山西实际... The Role and Development Ways of Fine Varieties in “Double High and Best You” Agriculture Zhang Henlu, Shanxi Agricultural Seeds Headquarters, must rely on advances in science and technology to develop “double high and one excellent” agriculture. In the various elements of science and technology, the development and application of fine varieties is very important. So, how to give full play to the role of good varieties in high-yield, high-quality and high-efficiency agriculture? Now based on personal knowledge, combined with the actual Shanxi ...