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How Do I Compost Duck Waste? 

Compost Duck Waste in the garden

Composting is an eco-friendly and sustainable way to manage organic waste while enriching your garden soil.

People often think of kitchen scraps, yard trimmings, and other common organic materials when it comes to composting.

However, you might be surprised to learn that you can also compost duck waste effectively.

Your sweet, waddling backyard pets can provide valuable manure for your compost pile.

Each duck you have will gift you about a tenth of a pound of manure per pound of body weight daily.

That means if you have ten ducks that are five pounds each, you’ll get five pounds of duck waste daily, or thirty-five pounds weekly.

After you compost the manure, you’re left with a wonderfully rich material to feed your pastures, lawns, gardens, and forests.

This comprehensive guide will explore the benefits of composting duck waste, the composting process, essential dos and don’ts, and tips for using the resulting compost to nurture your garden.

composting duck waste

Why Compost Duck Waste?

Composting duck waste offers several advantages that contribute to both sustainable waste management and healthier soil for your garden.

Rich in Essential Nutrients

Duck waste, also known as duck droppings or duck manure, is rich in essential nutrients such as nitrogen, phosphorus, and potassium.

These nutrients are vital for plant growth and can enhance the fertility of your garden soil.

They improve the quantity and quality of the plants that grow in the soil.

Reduces Landfill Waste

Composting duck waste helps divert organic materials from landfills, where they would otherwise contribute to methane emissions, a potent greenhouse gas.

Improves Soil Structure

The organic matter in duck waste helps improve soil structure, enhancing water retention and drainage capabilities.

This, in turn, promotes healthier plant growth and reduces the risk of soil erosion.

As we continue to lose 30% or more (in some areas, 100%) of our topsoil in the US, this is a worthwhile endeavor.

No-till and cover crops help prevent erosion; compost works to build the topsoil back up.

Enhances Vital Microbial Activity

Enhanced microbial activity in the soil is important for a variety of reasons, as it plays a crucial role in maintaining the health and productivity of ecosystems, agriculture, and even human well-being.

What Are Soil Microbes?

Microbes in the soil are responsible for breaking down organic matter, such as dead plants and animals, into simpler compounds.

This decomposition process releases essential nutrients like nitrogen, phosphorus, and potassium, making them available for plant uptake.

These nutrients are vital for plant growth and overall ecosystem productivity.

What Do Soil Microbes Do?

Microbes contribute to the formation and stabilization of soil aggregates, which improve soil structure.

Better soil structure enhances water infiltration, drainage, and root penetration, leading to improved plant growth.

Soil with good structure is less prone to erosion and compaction.

Some soil microbes are natural antagonists to plant pathogens.

They can compete with harmful microorganisms for resources, produce antimicrobial compounds, and stimulate plants’ defense mechanisms.

Enhanced microbial diversity and activity can lead to reduced plant diseases and a healthier plant community.

Microbes are important players in the carbon cycle.

They can decompose organic matter and release carbon dioxide (CO2) into the atmosphere.

Still, they can also convert organic carbon into stable forms that remain in the soil for extended periods (carbon sequestration).

This helps mitigate climate change by reducing atmospheric CO2 levels.

Microbial activities contribute to soil fertility by improving nutrient availability for plants.

They help to break down complex organic compounds into simpler forms that plants can use.

Enhanced microbial activity leads to better nutrient cycling and overall nutrient availability.

Certain soil microbes can degrade pollutants and contaminants in the soil, a process known as bioremediation.

Enhanced microbial activity can help detoxify soils contaminated with harmful substances, making them safer for plants, animals, and humans.

Microbial communities in the soil can filter and process water, improving water quality by removing pollutants and excess nutrients before they reach groundwater or surface water bodies.

This contributes to the overall health of aquatic ecosystems.

Beneficial soil microbes can form symbiotic relationships with plants, such as mycorrhizal fungi, that aid in nutrient uptake.

These relationships can enhance plant growth, improve nutrient efficiency, and increase plant tolerance to environmental stressors.

Soil microbial communities are a vital component of terrestrial ecosystems’ biodiversity.

They interact with plants, insects, and other organisms, forming intricate ecological networks.

Enhanced microbial diversity supports overall ecosystem resilience and stability.

Healthy soil microbial communities reduce the need for harmful synthetic fertilizers and pesticides.

This can lead to more sustainable and environmentally friendly farming practices.

compost pile

How To Make Compost From Duck Manure

Composting duck waste requires a systematic approach to ensure proper decomposition and the creation of high-quality compost. Composting is sometimes seen as a complex process, but it doesn’t have to be.

Here’s a simple way to compost duck waste.

Gather Your Materials

  • Duck Waste – This includes the actual manure, as well as any shavings, leftover feed, feathers, or bedding that is mixed in with the waste.
  • Green Materials – Nitrogen-rich materials are often called green materials. Kitchen scraps, grass clippings, plant trimmings, seaweed, eggshells, tea leaves, coffee grounds, and manure are good examples.
  • Brown Materials – These are carbon-rich materials that are often a shade of brown or tan. Good examples of these are wood shavings, bark, dry leaves, straw, hay, twigs, cotton fabric, cardboard, corn stalks, and pine needles.

Choose a Location

Consider these tips when choosing where you would put your compost pile.

Choose a spot that receives some sunlight

Sunlight helps to heat up the compost pile, promoting decomposition.

However, too much direct sunlight can cause the pile to dry out, so a partially shaded area might be ideal.

Ensure good drainage to prevent waterlogging

Excess moisture can hinder decomposition and create unpleasant odors.

Avoid areas prone to flooding or where water tends to collect.

Easily accessible

Select a location that is easily accessible for adding materials, turning the pile, and eventually harvesting finished compost.

It should be convenient for you to work with the pile without having to trek long distances.

Has an adequate air circulation

Adequate air circulation is essential for the composting process.

Avoid placing the pile in an enclosed or tight space. Leave enough room around the pile to allow air to flow through it.

Reasonable distance from other properties

Keep your compost pile a reasonable distance away from buildings, structures, and property lines.

This is to avoid any potential issues with odors and to ensure that the composting process doesn’t negatively affect neighboring areas.

Your compost pile shouldn’t have an odor if it’s made right, but it’s nice to have some space if you make a mistake.

Not highly visible

If aesthetics are a concern, you might prefer a location that is not highly visible from your home or public areas.

Using a screen or natural vegetation can provide some visual separation.

Has enough room for the pile

The size of the space available will dictate the size of the compost pile you can manage.

Ensure you have enough room for the pile to be turned and managed properly.

Consider how many ducks you have, if you want to compost other animal manures, and how much compost you want or need.

Comply with local laws and regulations

Check with your local municipality or homeowner’s association to ensure you comply with any regulations or guidelines regarding composting.

Some areas might have restrictions on compost pile placement.

Place your compost directly on the soil

Ideally, place your compost pile directly on the soil rather than on a hard surface like concrete.

This allows beneficial soil organisms to move into the pile and aid in the decomposition process.

Some people prefer concrete floors for easy mixing, but it will slow the process down, at least a little.

Be mindful of wildlife attracted to the compost pile

If your area has a significant wildlife presence, consider using a compost bin or incorporating other measures to deter animals from accessing the pile.

In my area, you have to surround your compost piles with strong bear-proof electric fences.

Build a Compost Pile compost pile with duck waste

Think of your compost pile in terms of layers, similar to a lasagna.

Start with a layer of coarse materials like straw or wood chips to improve airflow and drainage.

Next, spread a thin layer of duck waste over the base layer.

Then, add a layer of brown materials to balance the high nitrogen content of the duck waste. Aim for a 2:1 ratio of brown to green materials by volume.

Now add a layer of green materials like kitchen scraps or grass clippings.

Continue layering brown and green materials until the compost pile is about 3-4 feet high.

Make sure to finish with a layer of brown materials, preferably two inches thick or more. This keeps odors to a minimum.

Turn the Compost Pile

Regularly turn the compost pile to provide oxygen to the microbes and facilitate decomposition.

This can be done every 2-3 weeks using a pitchfork or shovel.

A pitchfork is much easier to get into the pile, but isn’t effective when you have finely chopped pieces in the compost.

Turning the pile also helps distribute moisture and nutrients evenly.

You should probably cover your pile with a thick layer of brown materials after turning, to keep the smells down.

Monitor Your Compost Pile

Monitor the compost pile’s moisture level and temperature.

The pile should feel damp, like a wrung-out sponge, and the internal temperature should ideally reach between 120-160°F (49-71°C).

Adjust the moisture and aeration as needed to maintain these conditions.

Let the Compost Mature

Allow the compost pile to mature for 4-6 months.

During this time, the materials will break down into a dark, crumbly substance with a pleasant earthy smell.

The result looks a lot like dark brown or even black soil.

Remember that some compost piles finish in two weeks, while others will take up to two years.

black soil from duck waste compost pile

How You Know Your Compost Pile is Ready to Use

  1. It’s probably finished when the pile is about half its original size
  2. You can no longer tell what was in the pile. If you can still identify greens and browns in the pile, it still needs time to finish composting. A completed pile will look like a mound of rich soil. 
  3. The pile is cool or the same temperature as outside. If the pile is still generating heat, it’s still working and will need more time.
  4. When the pile is dark and smells like the earth (it’s sweet and pleasant), then it’s probably ready to use.

The Do’s and Don’ts of Composting Duck Waste 

To ensure successful composting and avoid potential issues, keep these dos and don’ts in mind.

Composting Duck Waste Do’s

  • Balance Materials. Maintain a balance between brown and green materials to ensure proper decomposition and nutrient content. When you pick up a handful of compost, you should be able to squeeze it, and it stays together and hold shape; if it crumbles, it’s too dry. If it drips water, it’s too wet.
  • Monitor Moisture. Keep the compost pile moist but not soggy. Aerate the pile to prevent odors and promote decomposition.
  • Use High-Carbon Bedding. Line your duck coop with high-carbon bedding materials like straw or wood shavings. This bedding will become part of the composting process.
  • Add Amendments. Occasionally add garden soil or finished compost to introduce beneficial microorganisms that aid decomposition.

Composting Duck Waste Don’ts

  • Don’t Mix Fresh Waste with Old Waste. Allow the duck manure to age a few weeks before adding it into the compost pile, this reduces the risk of dangerous pathogens. If you do add fresh manure to the pile, treat the whole compost pile as if it were fresh. You don’t want to add fresh manure directly to your garden because it will contaminate your plants, fruits, and veggies.
  • Avoid Overloading. Do not add excessive duck waste to the compost pile, as this can imbalance the carbon-to-nitrogen ratio. If you have a lot of duck waste, add a lot of brown materials to balance it out. You may need to start a few compost piles rather than just maintaining one.
  • No Meat or Dairy. Avoid adding meat, dairy, and fatty foods to the compost pile, as they can attract pests or predators, and they will slow down decomposition.
  • Skip Unnatural Chemicals. Do not add chemicals, pesticides, or synthetic fertilizers to the compost pile, as they can harm the highly beneficial microbes living inside of it.

composted duck manure used in garden

How To Use Composted Duck Waste 

Once your compost pile has matured and transformed into nutrient-rich humus, it’s time to reap the rewards in your garden

Soil Amendment

Incorporate the composted duck waste into your garden soil to improve its structure, water-holding capacity, and nutrient content.


Use compost as a topdressing for existing plants.

This provides a slow-release source of nutrients and encourages healthy root growth.


Apply a layer of compost around plants as mulch.

This helps retain moisture, suppress weeds, and nourish the soil over time.

Vegetable Gardens

Mix compost into your vegetable garden beds before planting to provide essential nutrients for optimal crop growth.

Flower Beds

Use compost to enrich flower beds, promoting vibrant blooms and strong root systems.

Pastures and Fields

You can use your compost on pastures, fields, and even forests.

It’s a welcome surplus that adds to the topsoil, introduces helpful microbes, eases drought stress, and feeds the plants, grasses, and trees that grow in that area.

FAQs about Composting Duck Waste

Here are some frequently asked questions and their answers.

What’s The Difference Between Compost and Mulch?

Compost and mulch are not the same. We often use mulch as a component in compost.

Mulch is usually the top layer on the soil, while compost is used beneath it.

Mulch can protect compost, allowing the compost to provide key nutrients and encourage microbial growth.

Is Duck Poop Good for Compost?

Duck poop is great for composting. It’s high in phosphorus, nitrogen, and potassium.

It’s also acidic, so it’s good for the compost pile, and the compost pile will make it even more beneficial for your gardens.

Is Duck Poop Good for Vegetable Gardens?

Duck manure will not kill plants, even in relatively high volumes. It won’t kill the grass either.

Some people opt to dump their dirty duck pools directly into their gardens for a quick nutrient boost.

Can Duck Bedding Be Composted?

Bedding like straw, hay, wood chips, and wood shavings are “brown” materials that are highly beneficial for your compost pile.

Duck manure and feathers are also helpful for your compost pile.

Is Duck Poop as Good as Chicken Poop?

Duck poop has more nutrients than chicken manure, so it’s more beneficial.

Plus, duck poop is not considered “hot,” so unlike chicken manure, it can go directly onto your garden without issue.

How Do I Compost Duck Waste? Final Thoughts

In conclusion, composting duck waste is a sustainable way to manage organic waste while enriching your garden soil.

By following the proper composting process, maintaining a balanced ratio of materials, and adhering to essential dos and don’ts, you can create nutrient-rich compost that benefits both your garden and the environment.

Remember, patience is key.

Allow the composting process to take its time, and soon you’ll have a garden thriving with the help of your feathered friends’ contributions.

Happy composting!

Interested to learn more about managing your flock and garden at the same time?

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