The Jar Test Explained
If you’re growing food, you’ll benefit from knowing exactly what your soil is made of. The “jar test” — also called the mason jar or peanut-butter-jar test — gives you …
Jane is the editor-in-chief at Environment.co, specializing in sustainability, climate change, and renewable energy. In her free time, she enjoys nature trails, eco-friendly DIY projects, and volunteering with environmental groups.
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