良种的 meaning in English

highbred
thoroughbred
well-bred

Simple improvements in cultural methods, and a better type of maize had much larger effects than fertilizers .
栽培方法的简单改进和玉米良种的采用比肥料的效果要大得多。
The fine varieties breeding center of heze peony is dedicated to developing fine varieties of tree peony and herbaceous peonies , spreading new technology powered by scientific research
菏泽绿嘉牡丹基地以科研为动力、以科技为依托，致力于牡丹、芍药良种的开发、新技术的推广。
The fine varieties breeding center of heze peony is dedicated to developing fine varieties of tree peony and herbaceous peonies , spreading new technology powered by scientific research
菏泽牡丹良种繁育中心以科研为动力、以科技为依托，致力于牡丹、芍药良种的开发、新技术的推广。