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。

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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。

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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。

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However, with a soilless system you obviously cannot grow anything that would be subterranean - so no onions or carrots, for instance.

BBC: The technology that's transforming gardening

Like high-end winemakers, these producers obsess about methods, singing the virtues of organic gardening, hydroponics (soilless agriculture), even aeroponics (with nutrient misted on the plants).

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