Compost Made Easy
These 10 facts about composting will help you turn food and yard waste into garden gold.
October/November 2006, Issue #218
By Barbara Pleasant
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Composting is a great use for fall leaves.
BARBARA PLEASANT
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Many people start composting for practical reasons. Composting your leaves, grass clippings, garden waste and food scraps reduces the amount of garbage you generate. Plus, compost is essential for a great garden, and starting your own pile ensures a free, regular supply. But I think there’s an even better reason to compost: it’s fascinating. In fact, once you understand the basics of how the process works, composting can be one of the most interesting and enjoyable aspects of keeping a garden.
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Composting mimics and intensifies nature’s recycling plan. A compost pile starts out as a diverse pile of kitchen and garden “waste.” Left alone, any of these materials would eventually decompose. But when a variety of materials are mixed together and kept moist and aerated, the process accelerates. Compost matures into what soil scientists call active organic matter: a dark, crumbly soil amendment that’s rich with beneficial fungi, bacteria and earthworms, as well as the enzymes and acids these life-forms release as they multiply.
Adding compost to garden soil increases its water-holding capacity, invigorates the soil food web and provides a buffet of plant nutrients. Compost also contains substances that enhance plants’ ability to respond to challenges from insects and diseases.
Starting a new compost pile can be a fast, easy project. (See “Start a Simple Compost Pile or Worm Bin.”) But new composters sometimes feel frustrated as they struggle to learn more about how the process works — an understandable problem since there is a wealth of information available about composting and not one, absolute “right way” to do it. As we take a close look at 10 basic truths of composting, it’s obvious that the world of composting is seldom black and white — or shall we say brown and green? At the same time, home composting is much easier than what you might have heard.
1. Balancing ingredients is optional. To help compost decompose rapidly, a balance of “two parts brown to one part green” is often preached as composting gospel, but in truth, keeping a balanced ratio is simply an option. (Dry materials, such as leaves, pine needles and dead plants, are usually considered “browns,” whereas wetter materials, such as grass clippings and kitchen waste, are considered “greens.”) It’s not that balancing browns and greens is wrong; it simply makes home composting more complicated than it needs to be. You can pile up all your organic material without worrying at all about greens and browns, and it will still mature into compost.
Precise balancing of materials is crucial in commercial composting operations, for example, the composting of city sewage, manure from animal feedlots or byproducts from food manufacturing plants. But the needs and objectives of a gardener are far different from those of a dog food manufacturer with a waste disposal problem. The goal of industrial composting is to neutralize the pollution potential of various materials. The goal of home composting is to support nature’s self-regenerating power in ways that work harmoniously with the needs and opportunities of a person’s back yard.
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