论文部分内容阅读
郁金香（Ｔｕｌｉｐａｇｅｓｎｅｒｉａｎａ）是国际著名的球根花卉。荷兰是世界郁金香栽培中心。近年来，郁金香栽培逐渐为各地所重视而发展起来。从它的生态习性来看，我国北方应该是郁金香生长的适宜区域。为了在冬季上市，北方各地大都采用日光温室和塑料大棚生产郁金...
Tulipagesneriana is an internationally renowned bulbous flower. The Netherlands is a world tulip cultivation center. In recent years, tulip cultivation gradually developed for all places. From its ecological habits, northern China should be an appropriate area for the growth of tulips. In order to be listed in winter, most of the northern part of the country uses solar greenhouse and plastic shed production of tulip ...