The term "black gold" doesn't just refer to oil. In fact, among those looking to reduce their consumption of petrol products, the term has an entirely different connotation.
In organic circles, black gold generally refers to compost, a dark, soil-like mixture of decaying organic material that's perfect for giving your garden a nutrient-rich pick me up. Think of compost as a plant's equivalent to a shot of espresso. So what is this black gold, and where do you get it? The good news is that you probably already have it -- you're just throwing it all away.
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