延长鲜花保存时间的方法１食盐法用食盐涂擦切口或在盐水中浸养。如梅花、水仙和莲花可用此法。２糖水法在水中加入适量的糖，可以降低花茎的膨胀速度、使鲜花不易凋萎。此法适于花梗柔软而多肉质的花卉，如金鱼草、翠菊等。３茶水法用较浓的凉茶水代替清水，可使花... Methods to extend the preservation time of flowers 1 salt method salt with salt or incision in salt water immersion. Such as plum, narcissus and lotus can use this method. 2  sugar water law in the water by adding the right amount of sugar, can reduce the expansion rate of stems, so that flowers are not wilted. This method is suitable for pedicel soft and fleshy flowers, such as snapdragon, aster and so on. 3  tea law with thicker herbal tea instead of water, make flowers ...