随着社会的发展和人民生活水平的提高，鲜花需求量迅速增加，目前，仅黑龙江省哈尔滨市每年需唐菖蒲鲜切花达１００万枝，但黑龙江省气候寒冷，无霜期短，唐菖蒲的季节性生产远不及周年需要，早春和严冬必须外进。为延长唐菖蒲切花的供应时间，黑龙江省农垦科学院哈尔滨特... With the development of society and the improvement of people’s living standards, the demand for flowers has rapidly increased. At present, only 1 million fresh cut flowers of gladiolus are needed in Harbin City of Heilongjiang Province each year. However, the climate in Heilongjiang Province is cold and the frost-free period is short and the seasonality of gladiolus Far less than the annual production needs, early spring and winter must go outside. To extend the supply of gladiolus cut flowers, Heilongjiang Academy of Agricultural Reclamation Harbin ...