“春不出,夏不日,秋不干,冬不湿”,早已是传统养兰的格言。有人干脆把兰花看成是“阴生植物”。那么,“夏不日”应该怎样掌握呢?生物的生存三要素就是阳光、空气和水,而“夏不日”却是强调不要阳光,这确实是个该研究的要害问题。根据本人的实践,应当改“夏不日”为“夏多日”。兰花在某种程度上是喜光植物,条件是冬、春即受阳光照射的大多数品种夏习可全日照。一般农村和城市居民养兰,多数都是手工操 “Spring is not out, the summer does not fall, autumn does not work, winter is not wet,” has long been the tradition of keeping the blue motto. Some people simply think of orchids as “shade plants.” So, “summer is not the day” should be how to grasp it? The three elements of living organisms is the sun, the air and water, but “summer is not emphasized” but do not sunshine, this is indeed a crucial issue of the study. According to my own practice, “summer does not day” should be changed to “summer day.” To some extent, orchid plants, the conditions are winter, spring that is most varieties of summer sun exposure can be all sunshine. In general, rural areas and urban residents are mostly cultivated by hand