Les systèmes de compostage pour le traitement du bois, des fibres, des déchets alimentaires, des déchets animaux et d’autres déchets contribuent de manière importante à atténuer les effets négatifs du changement climatique. En compostant, nous séquestrons plus de carbone au sol, réduisons la quantité de méthane libérée dans l’atmosphère par des systèmes de gestion des déchets alternatifs et créons une modification précieuse du conditionnement du sol pour une utilisation dans la production alimentaire.

Il existe quelques méthodes différentes pour le compostage, mais il est assez bien établi que l’utilisation de méthodes de compostage aérobie (en présence d’oxygène) surpasse les systèmes anaérobies (en absence d’oxygène) pour quelques raisons principales:

Systèmes de compostage aérobie:

• Are faster, taking the raw waste to finished compost within weeks in some areas and systems.
• It encourages beneficial microbes which assist in soil biology and plant growth
• The heat generated in the pile kills more pathogens and harmful bacteria than unmanaged, static piled compost
• When processing aerobically, you create heat in the pile, which kills and has less weed seed, fly eggs, and invasive rodents.

Windrow composting, while it is the most common method, can be the best method which balances speed to finishing and encouragement of aerobic bacteria in the product.  Windrow composting involves the use of a front end loader on a tractor, or a specialized turner.  Creating a proper blend of materials so as to stabilize the compost and encourage the best breakdown rate; then turning often; are crucial to success.  Small tractors are ideal for this type of composting systems.

Compact Tractor Pulling Compost Turner

Compost turner being pulled by a 25 hp tractor.  While this method is ideal for windrow systems, you can accomplish the same effect with simply turning the windrow with a front end loader.  Source: https://www.frontierindustrial.net

Composting as a Community

A trend is growing around the world where resources can be shared within the community to benefit everyone.  For example, a group of Urban Farmers in Buffalo, NY are collecting food waste from consumers, restaurants, and food service providers; and cooperating with a local equestrian center to compost the waste and then share it back to the community.  In this example, food wastes are kept out of landfills, and turned into rich garden amendments that the consumer can then use to fortify their soils.  See:  Farmer Pirates Composting Program

Turning compost with an 80 hp tractor. Many sizes of turners are available, but they all are designed to do the same thing that you can do with the front end loader on your tractor. Source: Gower Commons – UK – Composting

Compact Tractor with Front Loader

This same concept can work in any community where small land holders combine resources, such as a tractor and equipment to benefit everyone…all that’s required is that a group of people want to work together for the benefit of everyone.

One of the most important factors to consider as you might be thinking of acquiring farm equipment is how to keep the equipment busy…working together with your community is one such way to accomplish that.

On a larger scale, in Dhaka, the capital city of Bangladesh, the entire city is engaged in a community effort with the same goal.  80% of the waste generated in Dhaka is organic, as is the case in many communities across the developing world.  This creates a huge opportunity for recycling and turning a waste into ‘gold’.  A significant reduction of methane from the landfills, while sequestering Carbon to mitigate climate change, and bringing great benefit to agriculture are all reasons for more communities to work together for a shared benefit.  Read about it at:  Tackling Waste through Community-Based Composting in Bangladesh

No matter the size of the community, from a few small landholders, to a small village, composting as a community holds great promise for utilizing small farm machinery for the benefit of everyone!

80 hp Tractor Pulling Compost Turner

Turning compost with an 80 hp tractor.  Many sizes of turners are available, but they all are designed to do the same thing that you can do with the front end loader on your tractor. Source: Gower Commons – UK – Composting

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Read more about it:

Making Compost – Sustainable Agriculture Research and Education Program

The Blake Garden at UC Berkeley – Sustainability also see video:  Flipping Compost at the Blake Garden

Gower Commons – UK – Gower Soil Conditioner

Compost: How to Make It and How Much to Use – Penn State Cooperative Extension

The Benefits of Using Compost – NSW Government – Environment, Climate Change, and Water

Tackling Waste through Community-Based Composting in Bangladesh