How Do You Make Compost At Home? - Step By Step Guide

Last update: Dec 5, 2019

How Do You Make Compost At Home? - Step By Step Guide

Compost is a paramount supplement to add nutrient-rich humus to your garden. Aside from the restoration vitality to depleted soil and impulse for plants to grow, compost is good for the environment. The good news is it’s very easy to make. And in this post today, I’ll show you how.

What To And Not To Put Into Your Compost?

What To Compost

Simple!

As all compostable materials are either nitrogen- or carbon-based, you just need to ensure a working balance between two of them for a healthy compost pile.

A basic rule of thumb is: 2/3 carbon-based materials + 1/3 nitrogen-based materials

But what is nitrogen- and carbon-based?

Well, in short, nitrogen-based matter offers raw materials to make enzymes while carbon-based matter provides its fluffy, lightweight body.

That means too much nitrogen-based (or green) materials will make the decomposing slower, smellier, and denser. And overload carbon-based (or brown) materials lead to the overgrowth of organisms residing there, which is not good at all.

How Do You Make Compost At Home? - Step By Step Guide

To give you more ideas of what to compost, take a look at the following table:

Nitrogen/Carbon

Materials

Note

Carbon

Cardboard

Shred them before decomposing

Corn stalks, cobs

Chop them up to speed up the decomposing

Dryer lint

Keep their natural fibers

Dried leaves

Shred them

Newspaper

Don’t use colored inks and glossy paper

Pine needles

Use a certain amount as they’re highly acidic

Sawdust pellets

Add in layers as they’re high in carbon levels

Shredded paper

Don’t add colored inks and glossy paper

Shrub prunings

Limit the number of wood prunings as much as possible as they’re super-low to break down

Straw or hay

Straw is better than hay

Wood ash

Sprinkle slightly

Only use from clean materials

Wood pellets/chips

Use little as they’re high in carbon levels

Nitrogen

Chicken manure

This is a good compost activator

Coffee grounds

Filter them before decomposing

Cuttings, flowers, plants

Chop them up

Veggies and fruit scraps

Add with dry carbon-based materials

Grass clippings

Only use thin layers

Green comfrey leaves

Good compost activator

Garden weeds

Just use the weeds that haven’t gone to seed

Kelp & seaweed

Only use thin layers

Table scraps

Add with dry carbon-based materials

Tea leaves

Keep them in bags or loose them

Neutral

Eggshells

Crushed them before decomposing

What Not To Compost

There are some materials that you definitely should not add to your composters:

  • Black walnut leaves
  • Synthetic chemicals
  • Orange rinds, peach & banana peels – because they might have pesticide residues
  • Pet droppings – you’d better use them on food crops
  • Diseased plants or perennial weeds – to avoid spreading diseases and weed seeds
  • Fish scraps, bones, eggs, butter, yogurt, meat & other animal products – as they attract animals (your pets or raccoons)

Sawdust is not actually a no-no material for decomposing but you should ensure it is clean (no chain oil or machine oil residues) and use it with a limited amount to prevent clumping.

How To Compost

Step 1: Find a suitable location for your composter or pile

Whether you’re going to compost indoors or outdoors, choose a discreet place with good airflow, partial shade, and close to a water source.

This makes both your neighbors or other family members happy and your finished product better results.

Step 2: Choose the right composter

It should be a container with a closure lid to cut down on odors, and besides, one to two handles for portability.

In terms of materials, choose either ceramic or stainless steel composters with a carbon filter to avoid spreading unpleasant smell to the surroundings.

How Do You Make Compost At Home? - Step By Step Guide

If your backyard is giant, you live alone and don’t really care about occasional smells, an old ice-cream pail would be a more economical alternative. Or, you can DIY one.

When choosing the size, try to stick to 3x3x3 feet as it is small enough to turn but also large enough to make its own heat.

Step 3: Add materials

Lay straw or twigs first. Add compostable materials in layers and then, manure. Make sure to keep them moist (but not sodden or soaked) and finally, cover your compost pile with carpet scraps, plastic sheeting or wood to retain heat and moisture as well as reduce odors.

How Do You Make Compost At Home? - Step By Step Guide

Step 4: Monitor

During the decomposing, you should regularly check the carbon to nitrogen ratio, moisture, aeration, and temperature for the best levels.

  • Temperature: Check it by using a compost thermometer or sticking your hand in the middle of the compost pile. It’s good if the pile is warm to hot (140 to 170 degrees F)
  • Aeration: Use a compost pitchfork, tumbler, or aerator to mix the pile. For large piles, you should add ventilation tubes or tree branches to different spots of them for maximum air circulation.
  • Moisture: Keep it between 40% to 60% of moisture content
  • Carbon to nitrogen ratio

Step 5: Turn

When the temperature of your compost pile peaks and then begins to drop, it’s time to turn it. Use a shovel or pitchfork to aerate the pile. Like humans, tiny microorganisms need to “breathe” and turning the pile is a way to add oxygen for them.

How Do You Make Compost At Home? - Step By Step Guide

But if there are already coarse materials in the pile (like the straw), you can dismiss this step.

If you want to make turning easier, a rotating compost tumbler is quite handy.

Extra Tips & Composting Methods

Extra Tips

If your compost smells like ammonia, add dried leaves, peat moss, straw, or other carbon-based materials. Another tip to eliminate or reduce smells is adding calcium or lime.

To avoid small fruit flies attracted to your compost, adding calcium or lime neutralizes the odors, covering it carefully and place a tiny pile of grass clipping next to it. When you want to add new compostable materials to your pile, cover it with 1” to 2” of clipping.

To speed up composting, you can try some “activator” materials that I’ve mentioned above. Or, add inoculant that you can find in the local garden center.

How Do You Make Compost At Home? - Step By Step Guide

Composting methods

Two common types of composting methods are enclosed compost bins and no-turn composting.

The enclosed compost bins are then categorized into 4 smaller groups:

  • Tumblers are considered the most efficient enclosed bin method because they can keep the high temperatures and good aeration to speed up the decomposing.
  • Food waste digester, in reality, is a process of grinding and dehydrating food wastes rather than composting them. And it just takes around 3 or 4 hours to finish and gives no odors. After that, you’ll bury them beneath the soil surface in your garden.
  • Standard compost digesters/bins feature closure top and sides while the bottom is open to directly sit on the ground. Though this method takes more time for decomposing, it’s quite affordable and suitable for homes in residential areas.
  • DIY compost bin is known for the most cost-effective method to build a compost pile. If you want to learn more, take a peek at this video:

Now, the no-turn composting is suitable for people who want to skip the turning step during the composting process.

With it, you just need to mix straw and other coarse material thoroughly when making the pile. After a certain amount of time, just harvest the fresh compost from the bottom of the composter while adding new materials on its top.

Some Common Troubleshoot

The Compost Pile Is Cold And Unfinished

There are some common reasons leading to this matter:

Not enough nitrogen-based materials: Just add some more and thoroughly mix/turn them to activate the heating. If the pile isn’t heated up after doing that, check if the pile is too wet or too dry.

Too much moisture: As water can fill the spaces and gaps inside the compost pile, driving out the oxygen aerobic bacteria needed, you should incorporate the pile with dry leaves, hay, straw or other absorbent materials (but don’t be too much) then, turn it regularly.

Too dry: Add water

Lack of microbes: To overcome this, add soil, fresh compost or inoculant to the pile and meanwhile, save some fresh old, finished pile to incorporate into the new one. Also, don’t isolate your pile from the ground.

Smells

How Do You Make Compost At Home? - Step By Step Guide

Compost normally doesn’t smell so if it does, there’s something wrong. Two common sorts of smells in composting are ammonia and rot.

Ammonia smells mean your pile is currently excessive in nitrogen-based materials. To neutralize it, you should mix in carbon-based materials (like sawdust, straw, shredded cardboard, peanut shells), turn the pile and spread it out to vaporize the excess ammonia.

With rotten smell, it means the pile is anaerobic, implying not enough oxygen supported. You just need to turn it thoroughly.

Conclusion

The decomposing process will normally take within 4 weeks to 6 months to get done. You will know your compost pile is ready to use or give to other gardener friends when it is crumbly, dark, and earth-smelling.

How Do You Make Compost At Home? - Step By Step Guide

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