To understand what is going on, the colonel sents a patrol to take the first readings at the base of the plant.

为了解状况 上校紧急派出一支侦察队 前往厂房基地测量第一批数值。

It helps keep the perlite from floating away, as well as keep moisture from the base of the plant.

它有助于防止珍珠岩漂浮，并保持植物基部的水分。

But if a number of the plants grow together, they poison the soil at the base of the plant so nothing else will grow but rhododendron.

但是，如果许多植物一起生长，它们会毒害植物根部的土壤，因此除了杜鹃花之外不会生长其他植物。