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How to Make Organic Compost: Do It Right

Learn how to make organic compost to enrich your soil.

By Linda Tagliaferro

organic compost ingredients

Courtesy Stock.XCHNG

Stir kitchen waste, such as apple cores and unused lettuce, into your compost heap.

Your soil’s decomposers need a steady supply of organic matter to keep the ground fertile. Adding homemade compost enriches soil and — with the exception of labor — it’s free.

Popular Gardening logoHomemade compost is made from just about anything that was once alive and that would ordinarily be thrown away. You can fill your compost heap with kitchen waste, dead leaves, grass clippings and other organic matter that will rot into fertile humus — gold for your garden.

As opposed to commercial chemical fertilizers, organic compost functions as a slow-release soil enhancer. Rather than shocking the soil with a burst of chemical energy that eventually peters out, organic compost provides soil with a steady supply of the nutrients plants need to grow.

Composted soil also grows helpful bacteria. Among these are beneficial microorganisms that produce their own natural substances to help plants battle diseases. Because composted soil is loose enough to “breathe,” it retains the water and nutrients needed to support flourishing plants.

Adding activators to homemade compost makes more nitrogen available to soil microorganisms — they’ll grow to larger populations. If your compost heap consists mostly of “brown” materials like wood chips or dead leaves, you should use either naturally occurring or commercial organic activators.

Natural, organic activators include dried chicken manure, grass clippings, layers of comfrey or existing mature compost. Adding small amounts of soil to compost increases the amount of soil microbes. Seaweed can also be added. It contains many minerals and trace elements that soil needs.

Commercial activators may contain dormant bacteria and fungi that proliferate to hasten the process of converting organic waste materials into fertile compost. Depending on the temperature and the time of year, homemade compost can be ready in as little as four weeks (with activators) or it can take as long as several months. Your mature compost will be dark-brown in color and will have the good, earthy smell of fertile soil.

Some gardeners recommend adding worms to speed up composting. Worm composting (aka vermicomposting) allows you to create compost indoors or outdoors in closed bins year-round. Order worms from organic garden suppliers or dig them up from your backyard. Provide worms with food such as vegetable peels, tea leaves, coffee grounds or crushed egg shells.

Worms also need moist bedding — such as shredded, moistened newspaper — added to one side of the compost bin. In a few months, the worms will eat through the paper and kitchen scraps. Their castings (waste) provide a highly nutritious base for plant growth.

Experiment with your homemade organic compost. Discover what works best for you in your garden and begin reaping a nutritious and delicious harvest.

About the Author: Linda Tagliaferro lives in the suburbs of New York City, where she and her husband enjoy fruits from their fig trees, their home-grown basil in pesto and their wild-growing milkweed that feeds monarch butterflies. She's been a freelance writer for 20 years and has written over 40 books for children and adults.

Give us your opinion on How to Make Organic Compost: Do It Right.
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Best way to enrich the soil!
Dante, Hyde Park, MA
Posted: 8/28/2013 8:29:32 PM
I love my compost.
Galadriel, Lothlorien, ME
Posted: 7/2/2013 11:38:24 PM
We have two compost piles in our backyard and I'm wondering if there is something that we can put in our piles to speed up the breakdown. I thought I had read at some point that you could put...lyme(?) into the post to break it down more quickly. Now that I type that, I don't think it was lyme...but something similar.
Scott, Lakeville, MN
Posted: 5/22/2013 11:59:23 AM
Ooh, yummy!
Galadriel, Lothlorien, ME
Posted: 2/15/2013 11:49:55 PM

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