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Nick Radford, professional designer and consultant, talks about learning how to design and continuing the learning about design for the rest of our lives.
https://youtu.be/EaG2dCJN5xw
Natural Succession can be imitated and boosted with design and management strategies.
The key strategies are
- Diversity of plantings
- Glades
- resuse of organic material
- managing tree sugars and
- enabling 3 dimensional growth.
our short video discusses natural succession and key strategies to boost productivity within the food forest.
Food forests often get old and woody as they mature. The fruit sits high, out of reach of mere humans and the permaculture garden looses it's edge. Bunya Halasz, with support from Flávia Assuncao and their community, pioneer forest management strategies to increase production and diversify harvest on commercial farms. Through targeted disruption of natural forest succession, a richer production begins.
Magically, the forest grows with a wealth of diversity and resilience. In this short video Bunya is harvesting a pineapple with slips for replanting. Cassava lays in background. The soil is rich and diverse plants surround him.
Strategic disruption triggers succession. With skill, an upward spiral of successions evolve. Disruption naturally results from the collapse of old trees, wildfires or storms. Sometimes, the existing diversity and resilience of the mature soil system fuels an increase in production.
Bunya and Flavia's team carefully execute a disruption to boost production. Their technique is developed on traditional farming in the tropics with their deep knowledge of the species, soil ecology and climate.
Bunya-explaining-the-diversity-to-production-spiral - enhance this image. Photo: Flávia Assuncao
Beyond a boost in production, the yield expands. Their yield now includes pioneering knowledge, skills sharing, empowerment of others and supporting diversity in the community.
Flávia is heartened by the community who value their diverse produce
There are two types of succession. Primary succession builds on rock, creates soil and supports grassy plants. Whereas Secondary succession builds up layers of plants, deeper soil and a web of life.
Finally, the canopy of a mature forest closes. And a few trees become the dominant species. In a food forest, this limits our diversity of crops. At this point, the fruits of the forest ripen in the sun at the top, far from reach for mere humans. Very few annuals, herbs, shrubs or smaller trees can survive. And the area below becomes empty and becomes dark. Sometimes, a closed canopy is useful. For instance, a closed canopy can help combat weeds or to create shaded paths and work areas. But production is limited to one layer only - the canopy.
Bamboo forest showing growth at the top. Photo by kazuend on Unsplash
One way to overcome the loss of easy pickings is to disrupt the system. Disruption enables a new wave of primary succession that immediately benefits from the deeper soil. In addition, the leafy harvest reinvigorates the soil system.
Red cedar stump resprouting at our permaculture demonstration site in Mt Kembla NSW
Suddenly, production intensifies when the canopy opens. Lower layers once common in a primary succession, thrive again. And they grow better due to the rich soil conditions.
Spiral succession is fuelled by three factors:
increased light, released root sugars and organic cover.
Careful planning is instrumental in maintaining the wealth of organic resources. Of course, the planning depends on knowledge of species needs and careful timing. After all, chaotic large scale disruption can damage diversity and resilience.
Coppiced Logan tree interplanted with Emergent tree, banana, pawpaw, yam and much more
Overgrown food forests and young alley crops both benefit from this new style of succession planning.
Reinvigoration of Woody Forests
At ConsciousGround in the rolling hills behind Bryon, the old food forest was coppiced and interplanted. Then, the new plants were protected with mulch made from the slashings. Furthermore, the coppiced trees regrew. This provided lots of fruit within easy reach. Now the site supports an understorey of pineapples, taro, bananas, herbs and a wide diversity of trees. In addition, flocks of turkeys and chickens browse fallen fruit.
Like the surrounding rainforest, the layers vary with vines and herbs. This reinvigorated food forest is bursting with banana, papaya, berry, native fruits, yams, cranberry hibiscus, taro, tamarillo, sugarcane, cassava, arrowroot, ginger, pineapple, sweet potato and culinary herbs.
Wholesome and delicious culinary creations by chef Nic Barrett and team at Consciousground in NSW
Emergent trees act like solar panels, gathering light from above and protecting smaller plants below. Bunya's team, keeps 10-20% of the compatible emergent tree cover to protect the site from harsh summer sun in Australia. At first, they trim the side branches to force the emergent trees to grow tall and strong. In a few years, the emergent trees become strong enough to support a ladder. Then the team cut and harvest them as poles. Consequently their root systems either die or retreat. This unlocks nutrients for the next plants. As a result, another succession begins. And a resilient production spiral arises.
Hosted by the innovative The Farm at Byron, a rare agricultural beacon is demonstrated. Here you can see the power of intensive diverse cropping taught by GrowingRootsPermaculture in conjunction with Living Agroecology and Hungry Earth Agroecology. This plots using spiral succession and permaculture are brimming with produce.
Layers of production at The Farm in Byron.
The progression from monocropping through to alley cropping and then low canopy agroforestry is clear. Diverse intensive production replaces standard commercial mono-cropping. The plantings start with annual crops such as corn and beans. As the annual crops are mature, perennial plants are introduced. Spent stems and leaves shelter young plants from sunburn or frost. Next plantings are fast-growing emergent species. Emergent species shoot up to capture light. As a result, they also serve as mist collectors and wind or frost protection.
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You can respond to this topic as part of your PDC homework for Forests.
Today the WATER file was revised and updated.
Enjoy!
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here is a very interesting article about the Maslow's hierarchy of needs
although the context is different for each of us in different nations and sub-cultures, it stirs a discussion about what is our greatest need?
Do we strive for purpose in our actions or, when starving, do we strive to satisfy those basic needs?
This topic draws us full circle in the journey of the permaculture design course.
We start with ethics and then aim to build skills and empowerment in taking steps to satisfy our needs locally and within our own means, then we can sit back and question our goals and if they sit within our ethics.
https://gatherfor.medium.com/maslow-got-it-wrong-ae45d6217a8c