PERMACULTURE DESIGN COURSE –
SECTION 13. WASTE DISPOSAL AND RECYCLING
Permaculture design emphasizes the creation of sustainable systems that mimic natural ecosystems. One of its core principles is efficient waste disposal and recycling, transforming what would traditionally be considered waste into valuable resources.
By integrating waste disposal and recycling strategies into permaculture systems, we can create closed-loop systems that contribute to overall sustainability.
This essay explores the methods and benefits of waste disposal and recycling in permaculture design, focusing on water and plant-based solutions for cleansing system pollution.
Water and Plants as Cleansers of System Pollution
Water and specific plants play a crucial role in permaculture for fixing excess nutrients and cleansing pollutants from the environment.
Utilizing natural processes, permaculture designers can create systems that not only manage waste but also enhance the productivity and health of the ecosystem.
Fixing Excess Nutrients
Certain plants are particularly effective at absorbing and utilizing excess nutrients from the environment, preventing these nutrients from causing pollution.
For instance, watercress (Nasturtium officinale), rushes (such as Scirpus validus), and water hyacinth (Eichhornia crassipes) are known for their ability to thrive in nutrient-rich waters, absorbing and utilizing excess nitrates and phosphates.
These plants can be strategically placed in water bodies or constructed wetlands within a permaculture system to act as natural biofilters.
Watercress, a fast-growing aquatic plant, not only absorbs excess nutrients but also provides edible greens that can be harvested. Rushes, particularly Scirpus validus, are excellent for stabilizing soil and improving water quality.
Water hyacinth, despite being considered invasive in some regions, can be managed in controlled environments to prevent its spread while benefiting from its nutrient uptake capabilities.
Algae: A Multifunctional Resource
Algae, particularly spirulina, offer a remarkable solution for cleansing polluted water and generating valuable byproducts.
Spirulina desalinates water, cleanses it of radioactive substances, and builds protein from nitrates and nitrites. It has a high BTU (British Thermal Unit) value, making it a potential biofuel source, and is 68% digestible protein with low cellulose content, making it an excellent nutritional supplement.
In a permaculture context, spirulina can be cultivated in ponds or tanks, absorbing excess nutrients and pollutants from wastewater. Once harvested, it can be used as animal feed, human food, or converted into biofuel, thus closing the nutrient loop and reducing waste.
Uses of Waste Water
Wastewater can be a valuable resource in permaculture systems when properly managed and treated. By utilizing natural processes, wastewater can be transformed into clean water and nutrients that support plant and animal life.
Sewage Lagoons
Sewage lagoons are shallow ponds designed to treat wastewater through natural processes. In a permaculture system, these lagoons can be aerated to encourage the growth of aerobic bacteria that break down organic matter.
Aquatic plants and algae can be introduced to absorb nutrients and further cleanse the water. Waterfowl, such as ducks and geese, can be integrated into these systems to feed on weeds and pests, contributing to nutrient cycling.
After initial treatment in sewage lagoons, the water can be directed to fish ponds, where fish further process the nutrients.
The final effluent, now significantly cleaner, can be used to irrigate non-food forests, nut crops, essential oil crops, and bamboo plantations. This method not only recycles wastewater but also supports diverse agricultural production.
Comprehensive Recycling and Waste Management
Effective waste disposal and recycling in permaculture go beyond water and plant-based solutions. It encompasses a holistic approach that includes composting organic waste, recycling materials, and designing systems that minimize waste generation from the start.
The aim is to create a self-sustaining ecosystem where waste is continuously transformed into resources.
For instance, kitchen and garden waste can be composted to create rich soil amendments that enhance plant growth. Animal manure can be used to fertilize crops, and organic matter from ponds and wetlands can be harvested and composted or used as mulch.
These practices not only manage waste but also improve soil fertility and plant health.
Permaculture Design: Waste Disposal and Recycling Conclusion
Permaculture design offers innovative and sustainable solutions for waste disposal and recycling by integrating natural processes and ecological principles.
By utilizing water and specific plants to cleanse pollutants and recycle nutrients, permaculture systems can transform waste into valuable resources, creating closed-loop systems that enhance overall sustainability.
Through careful planning and design, permaculture can address the challenges of waste management while promoting environmental health and productivity.
Next – Wildlife Management
Permaculture Design Certificate course index
You’ve caught us moving the Permaculture Design Certificate PDC course into our new website. More stories and content coming in the next week …
18. Waste Water Disposal & Recycling (YOU ARE HERE)
19. Wildlife Management & Pest Control
* Integrated Pest Management
* Herbs and Plants That Repel Insects
* Use of Animals in Pest Control
* Wildlife Management: Encouragement and Discouragement Strategies
20. Seed Saving
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