上網查了一下

http://www.360doc.com/content/20/0611/01/27574406_917689222.shtml

https://www.bilibili.com/opus/232484943352609809

https://www.google.com/search?q=%E5%A6%82%E4%BD%95%E7%A6%BB%E5%BC%80%E4%B8%80%E4%B8%AA%E6%9C%88+%E5%AE%A4%E5%86%85%E6%A4%8D%E7%89%A9%E4%B8%8D%E7%BC%BA%E6%B0%B4&oq=%E5%A6%82%E4%BD%95%E7%A6%BB%E5%BC%80%E4%B8%80%E4%B8%AA%E6%9C%88+%E5%AE%A4%E5%86%85%E6%A4%8D%E7%89%A9%E4%B8%8D%E7%BC%BA&gs_lcrp=EgZjaHJvbWUqBwgBECEYoAEyBggAEEUYOTIHCAEQIRigATIHCAIQIRigATIHCAMQIRigATIHCAQQIRigAdIBCjIwOTc0ajBqMTWoAgiwAgHxBblJJo2htzv-&sourceid=chrome&ie=UTF-8

粗粗看一下， 一個是減少植物本身蒸發， 頭上罩個塑料袋 又通風

二個 是 有一個 緩釋慢滴水的東西，整個塑料袋 紮一個針眼，放花盆上， 讓針眼接觸花盆土 以及類似做法， 

再比如，大油桶， 蓋上鑽孔插入棉簽兒，頭朝下接觸花盆 等等