玉米新品种中单３２１是中国农科院作物所育成的杂交种，为了探索该品种在灵台县旱塬的适应性与丰产性，我们进行了引种栽培试验，其结果如下。１产量表现１９９８年从甘肃省农科院引种，选择灵台县西屯乡南头村作为试点。试区为旱塬地，土壤为覆盖黑垆土，肥力中上等。采... Zhongdan 321, a new maize variety, is a hybrid breed bred by Chinese Academy of Agricultural Sciences. In order to explore the adaptability and high yield of this variety in dry land of Lingtai County, we conducted the introduction and cultivation experiment. The results are as follows. 1 production performance 1998 introduced from the Academy of Agricultural Sciences in Gansu Province, Lingtai County, select Nantou Village, Xitun Township as a pilot. The trial area is dryland, the soil is covered with black soil, fertile middle and upper class. Mining ...