在以往的文献中,“蔬菜淡季”一词有时指蔬菜生产淡季;有指蔬菜供应淡季。气候条件是形成北京八、九月蔬菜生产淡季的根本原因。由于生产淡季的存在,再加上贮存能力及贮存货源的限制和过去相当长的一段时间内,对淡季蔬菜基地的建设没有给予应有的重视,因而形成北京八、九月蔬菜供应的 In the previous literature, the term “vegetable off-season” sometimes refers to the off-season of vegetable production; it refers to the off-season of vegetable supply. Climatic conditions are the root causes of the off-season vegetable production in Beijing in August and September. Due to the existence of the off-season in production, coupled with the restriction of storage capacity and storage resources and the relatively long period of time in the past, no attention has been given to the construction of the off-season vegetable base, thus resulting in the supply of vegetable in Beijing in August and September