So perlite doesn't hold that much water.

岩无法容纳这么多水。

You can plant rosemary in a container with soil that is about 25 percent sand, perlite or vermiculite.

你可以将迷迭香种植在容器中，容器中的土壤含有约25%的沙子、岩或蛭石。

Yeah, so, with the dust from perlite, you have to be kind of careful.

对于岩的灰尘，你必须要小心处理。

So, perlite is not a renewable resource.

而岩不是可再生资源。

So if you're looking for water holding capacity, perlite probably isn't the thing.

，果需要蓄水功能的话，岩不在话下。

So if you're an aquaponic producer, you should not, you cannot be using perlite in your system.

，果你是鱼菜共生生产商，那就不能使岩。

That's one of the reasons why, when we use it as a hydroponic medium, we like to irrigate it constantly, so we're always dripping water through that perlite to make sure that there's water being supplied to the plant roots.

这就是为什么当我们使它作为水培介质时，我们喜欢不断地灌溉它， 这样我们可以通过岩确保有水供应到植物根部。

If you're doing hydroponic production, you can take perlite, and you can reuse it several times.

果正在育苗，你可以岩，而且可以反复使几次。

That's why we use things like vermiculite in addition to perlite in our mixes.

这就是为什么我们在还会岩中混入蛭石等材料的原。

Now most of these farms are hydroponic or aeroponic systems, which means that instead of using soil, they use a substitute material like polyurethane sponges, biodegradable peat moss and even use inorganic materials like perlite and clay pellets.

现在这些农场大多采水培或气培系统，这意味着它们不使土壤， 而是使替代材料，聚氨酯海绵、可生物降解的泥炭藓， 甚至使无机材料岩和陶粒。

A good recipe is half 'n half mix of high quality potting soil with perlite.

一个好的配方是优质盆栽土与岩的一半混合。

So the pros of perlite are that it's lightweight, so it's very, very easy to handle, to use.

岩的优点是重量轻，所以处理和使起来很方便。

So perlite's been around for a long time.

所以岩已经存在很长时间了。

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

它有助于防止岩漂浮，并保持植物基部的水分。