Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

What's the White Stuff in Soil Mixes?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 30. November 2020, 11:00
Stufe: B1-B2 (Mittelstufe)


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Potting soil often contains perlite, which is a type of volcanic rock that helps keep soil light and airy. Learn how it works in this episode of BrainStuff. Learn more about your ad-choices at https://news.iheart.com/podcast-advertisers