soilless
adj. 不用泥土的;无污点的
例句
Much of the research on nutrient deficiencies is based on growing plants hydroponically, that is, in soilless liquid nutrient solutions.
许多关于营养不足的研究是基于水培法种植植物,即在无土液体营养液中。
It is a simple but practical way of soilless and blanching culture of chicory.
锯末软化栽培法是一种简单实用的无土软化栽培方法。
Never add other ingredients such as soil or aggregate which will defeat the entire soilless concept.
千万别再加其他成分了,比如园土啊,集料啊什么的,否则就会破坏无土介质的概念了。