8 Items for Building an Animal Manure Composting System

Managing animal manure on a hobby farm can quickly become overwhelming without a structured system to turn waste into valuable soil amendments. Having the right tools on hand transforms a messy, odor-prone chore into an efficient, rewarding composting routine. Equipping a small-scale operation with durable, purpose-built gear ensures the pile reaches the correct temperatures to kill pathogens and weed seeds safely.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Planning Your Hobby Farm Manure Compost System

Walking out to the barn and seeing a mounting pile of mixed stall bedding and manure is a familiar sight for any hobby farmer. Without a plan, this valuable resource quickly becomes a fly-breeding nuisance and a runoff hazard during heavy rains. A successful small-scale composting system relies on designating a dedicated space that is easily accessible by foot or utility cart, yet far enough from water sources and property lines to remain compliant with local zoning.

The setup must accommodate the volume of manure generated by your livestock—whether that means a few backyard chickens, a couple of goats, or a horse. Most small farms benefit from a multi-bin system: one bin for active collection, one for curing, and one ready for use in the garden. Planning for adequate drainage, wind protection, and easy access to water early saves hours of frustrating labor down the road when moving heavy, sodden material.

Compost Bin – Geobin Expandable Compost Bin

Containing manure piles prevents them from spreading across the yard and helps retain the heat necessary for rapid decomposition. A structured containment unit keeps pests out and maintains a neat appearance on a small acreage. Without a bin, loose manure piles lose moisture too quickly on the outer edges, stalling the microbial activity needed to break down tough bedding materials.

The Geobin Expandable Compost Bin is an exceptional choice for hobby farms because of its adjustable diameter, which can expand up to 4 feet to hold up to 216 gallons of material. Made from rugged, perforated plastic, it maximizes airflow from all sides while keeping the pile securely bound. Its lightweight design means it can be unbuckled, lifted off the pile, and relocated easily when it is time to turn the compost.

• Material: High-density polyethylene
• Capacity: Adjustable up to 216 gallons (approx. 29 cubic feet)
• Ventilation: All-over perforation for aeration

While highly versatile, the Geobin can be slightly unwieldy to set up alone when expanding to its maximum size. It is perfect for poultry keepers and goat farmers who need a flexible, scalable containment system, but it may not be heavy-duty enough for those managing large volumes of horse manure mixed with heavy wood shavings.

Manure Fork – Truper Tru Pro 5-Tine Manure Fork

Moving, lifting, and turning manure requires a tool that can pierce compacted material without getting stuck or bending under pressure. Standard garden spades or dirt shovels are useless here; they scoop too much heavy material at once, straining the back and failing to break up clumps. A dedicated manure fork allows air to penetrate the pile while lifting heavy, straw-laden bedding with minimal resistance.

The Truper Tru Pro 5-Tine Manure Fork features a heavy-duty, forged steel head that slices through matted stall waste effortlessly. The 54-inch ash handle provides excellent leverage, allowing farmers to lift deep loads without bending over excessively. The tines are spaced perfectly to retain manure and soiled straw while letting loose dirt and finished compost sift through.

• Handle Material: North American Ash
• Head Material: Clear-coated gray-steel forged head
• Tine Count: 5 polished tines

Wood handles require basic maintenance, such as occasional oiling, to prevent splintering over seasons of exposure to damp manure. This fork is ideal for anyone cleaning out stalls or turning dense, straw-heavy piles, though those with smaller physical frames might prefer a shorter D-grip handle for better control in tight spaces.

Compost Thermometer – REOTEMP Backyard Thermometer

Temperature is the ultimate indicator of a compost pile’s health and safety. To kill weed seeds, parasites, and harmful pathogens like E. coli, the core of a manure pile must reach and sustain temperatures between 130°F and 160°F. Guessing the internal heat of a pile by touch is impossible, making a long-stemmed thermometer an indispensable diagnostic tool for any responsible livestock owner.

The REOTEMP Backyard Thermometer features a 20-inch stainless steel stem that reaches deep into the heart of the compost pile where the most intense microbial activity occurs. The dial is hermetically sealed to prevent fogging and features color-coded zones indicating steady, active, and hot ranges. This clear visual feedback tells the farmer exactly when to turn the pile to keep the microbes active.

• Stem Length: 20 inches
• Dial Diameter: 2 inches
• Temperature Range: 0°F to 200°F

The long stem can bend if forced into highly compacted or frozen piles, so always clear a path with a fork or rebar before inserting. This tool is a must-have for any hobby farmer committed to hot composting, but it is less critical for those practicing slow, cold composting methods where pathogen destruction is not a priority.

Protective Tarp – Dry Top Heavy Duty Tarp

Uncontrolled moisture is the enemy of good compost. Heavy rains can saturate a manure pile, leaching valuable nutrients into the groundwater and turning the pile anaerobic and smelly. Conversely, baking summer sun can dry out the pile, halting the decomposition process entirely. A heavy-duty cover acts as a climate shield, regulating moisture levels year-round.

The Dry Top Heavy Duty Tarp offers the thickness and durability needed to withstand constant outdoor exposure and high winds. Its dual-lamination design features a tight 10×10 weave pattern that resists tearing when dragged over rough compost bins or wooden pallets. Reinforced corners and rustproof grommets every 36 inches allow for secure tie-downs during seasonal storms.

• Thickness: 10 mil heavy-duty polyethylene
• Grommet Spacing: Every 3 feet
• Color Options: Reversible brown and green

Choosing the correct size is critical; a tarp that is too large will gather water pools, while one that is too small will leave the edges of the pile exposed. This tarp is perfect for open-pile composting setups and three-sided wooden bins, but it is unnecessary for fully enclosed plastic tumblers.

Hose Nozzle – Dramm Heavy-Duty Brass Nozzle

Water is a crucial ingredient in the composting process, as microbes require a damp environment to thrive. However, adding water to a manure pile must be done with precision—too much water drowns the system, while too little stops decomposition. A reliable hose nozzle allows the farmer to apply a fine, penetrating mist or a gentle shower directly to dry layers during the turning process.

The Dramm Heavy-Duty Brass Nozzle is built to survive the harsh environment of a working hobby farm. Made from solid brass, it resists rust, corrosion, and the inevitable damage of being dropped on concrete barn floors or stepped on by livestock. The simple twist adjustment allows for seamless transitions from a wide, gentle mist to a powerful stream for cleaning off tools afterward.

• Material: Solid brass
• Connection: Standard 3/4-inch hose thread
• Pattern: Adjustable twist spray

Because it lacks a trigger lock, users must manually twist it off, which can be tiring during long watering sessions. This nozzle is perfect for farmers who value lifetime durability over plastic multi-pattern sprayers that crack during winter freezes.

Utility Cart – Gorilla Carts Poly Garden Dump Cart

Moving heavy manure from the barn to the compost pile, and eventually to the garden, is a physically demanding task. Standard wheelbarrows are notoriously unstable on uneven farm terrain, often tipping over and spilling their heavy loads. A stable, high-capacity utility cart reduces physical strain and speeds up transit times across the property.

The Gorilla Carts Poly Garden Dump Cart features a patented quick-release dump design that makes unloading heavy, wet manure completely effortless. Its rustproof poly tub can hold up to 600 pounds, while the four pneumatic tires provide excellent stability over mud, gravel, and pasture grass. The convertible handle can be pulled by hand or towed behind a lawn tractor or ATV for larger properties.

• Weight Capacity: 600 lbs
• Tub Material: Heavy-duty polycarbonate
• Tire Size: 10-inch pneumatic

Assembly can take up to an hour and requires basic hand tools, so plan accordingly before its first use. This cart is an indispensable asset for anyone managing multiple stalls or large garden plots, though it may be overkill for backyard chicken keepers with minimal space.

Compost Aerator – Bosmere Compost Aerator Tool

Aerobic composting requires oxygen to prevent the pile from turning sour and smelling like ammonia. While turning a pile with a fork is effective, it is also backbreaking work that many part-time farmers struggle to find time for. An aerator tool allows you to introduce oxygen deep into the pile quickly without the physical strain of turning the entire mass.

The Bosmere Compost Aerator Tool features folding wings that close as the tool is pushed into the pile and open up as it is pulled back out. This action creates pocketed air chambers deep within the manure, stimulating aerobic bacteria and speeding up decomposition. Constructed from heavy-duty, rust-resistant steel with a comfortable T-grip handle, it is built to handle dense, compacted materials.

• Material: Heavy-duty steel
• Length: 36 inches
• Mechanism: Folding aeration wings

This tool works best in loose or moderately compacted piles; it can be difficult to plunge into piles containing thick, woody livestock bedding or heavy clay soils. It is ideal for busy hobbyists looking to maintain active piles with minimal effort, but it cannot fully replace the thorough mixing provided by a manure fork.

Compost Sifter – Rockwood Garden Sieve Set

Finished manure compost often contains large, un-decomposed chunks of wood shavings, straw, or small stones that should not go into delicate garden beds. Sifting the cured compost ensures a uniform, fine texture that is easy to spread and safe for seed starting. It also separates unfinished organic matter, which can be tossed back into the active bin for another cycle.

The Rockwood Garden Sieve Set offers interchangeable stainless steel mesh screens of varying sizes, allowing farmers to customize the fineness of their output. The durable, lightweight frame fits comfortably over standard 5-gallon buckets or small wheelbarrows, preventing spills. The stainless steel construction ensures it will not rust when exposed to damp, acidic compost over time.

• Frame Material: Stainless steel
• Mesh Sizes: Multiple interchangeable screens (typically 1/4" and 1/8")
• Diameter: 12 inches

Sifting wet compost will quickly clog the fine mesh screens, so always ensure the material is relatively dry before processing. This sieve set is perfect for vegetable gardeners and flower growers who demand high-quality, debris-free topdressing, but it is unnecessary for simply spreading compost over pastures or orchards.

Balancing Carbon and Nitrogen in Manure Piles

Successful composting is a balancing act between carbon-rich "browns" and nitrogen-rich "greens." Animal manure is highly nitrogenous, which is excellent for feeding composting microbes, but without enough carbon, it will quickly turn into a smelly, slimy mess. To keep the pile sweet-smelling and active, aim for a Carbon-to-Nitrogen (C:N) ratio of roughly 30:1.

Livestock bedding plays a major role in this balance. Horse manure mixed with heavy pine shavings is naturally high in carbon, whereas pure chicken manure is extremely high in nitrogen. If the pile smells strongly of ammonia, it needs more carbon—add dry leaves, straw, or shredded cardboard. If the pile is cold and wet, it needs more nitrogen—incorporate fresh manure or green garden waste to kickstart the heating process.

How to Manage Moisture and Temperature Safely

A healthy compost pile should feel like a wrung-out sponge—damp to the touch, but not dripping wet when squeezed. If the pile dries out, the beneficial microbes go dormant, and decomposition stops. During dry summer spells, water the pile lightly while turning it; during wet winter months, keep it covered with a heavy tarp to prevent waterlogging.

Monitoring temperature ensures that pathogens and weed seeds are neutralized without overheating the pile. Temperatures above 160°F can actually kill the beneficial composting microbes, stalling the process. When the thermometer climbs past 155°F, turn the pile to release trapped heat and introduce fresh oxygen, which regulates the temperature back down to a safe, productive zone.

Applying Your Finished Compost to Garden Beds

Before applying compost to vegetable beds, it must be fully cured. Unfinished manure compost is highly acidic and contains high levels of ammonia, which can burn tender plant roots and stunt growth. Finished compost should look like dark, crumbly soil, smell earthy and rich, and no longer generate heat when turned.

Spread a 1-to-2-inch layer of cured compost over your garden beds in the early spring or late fall. Gently rake it into the top few inches of soil, or leave it on the surface as a nutrient-rich mulch for no-till systems. This slow-release organic fertilizer improves soil structure, enhances water retention, and feeds the soil food web, turning last year’s barn waste into this year’s bumper crop.

Building a reliable manure composting system is one of the most sustainable steps a hobby farmer can take to close the nutrient loop on their property. With the right selection of durable tools and a solid understanding of pile management, turning livestock waste into black gold becomes a smooth, routine chore. Invest in quality gear, keep an eye on the moisture and temperature, and watch your garden thrive on the fruits of your farm’s natural cycles.