Permaculture Blog

Save our Soils

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Soil is one of the most important resources on the planet and yet we've not been looking after it well of late. Here in the UK we lose around 2.2 million tonnes of topsoil each year due to wind and rain erosion. The UK government recently announced that some parts of the UK are thought to be just 30-40 years away from the eradication of soil fertility. (See Guardian, Defra and BBC links below).  


One of the main reasons for this decline in fertility is tilling, ploughing, the application of pesticides and  herbicides and large scale monoculture farming. Additionally, when the soil gets washed away, nitrogen and phosphorus based fertilisers end up in our rivers and lakes causing a process called eutrophication. This is basically when too many nutrients end up in a water system causing algal populations to boom, resulting in the depletion of oxygen in the water, harming aquatic plant and animal life. 

UK sea after 2014 floods
Photograph taken by Dundee Satellite Receiving Station

The image above shows the coast of the South of England in February 2014. Horrifyingly, the brown colour around the coastline was the topsoil washed away after heavy rainfall. While soil is a renewable resource, it takes a very long time to build up.  Rock minerals are one of the main components of soil and depending on the rock type it can take from 100-500 years to form just one inch of this vital resource. Looking after our soils is vital if we want to maintain biodiversity and ensure a food supply for future generations.

Elderflower Cordial

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I think we can say that summer has officially started now the elderflowers are in full bloom. The elder is one of Britians native trees and the elderflower it produces has many uses, including making a refreshing summer cordial. 

Elderflower will take a couple of days to infuse however it’s really easy to make and worth the wait. The flowers are blooming now (early June) so you need to get out there quick, though if you do happen to miss them you’ll be able to reap the rewards of the berries at the end of the summer. If you are picking elderflowers now do remember to leave some as even if you are not planning to eat the berries later in the season, the birds will.

Photograph by Sarah Davenport

Also, if you don’t have the time to make elderflower cordial, or just don't want too much sugar, the flowers can be used on their own in a tea or infused in a vinegar for salads. Elderflower cordial can also be used to add flavour to white wine or paired with soda water for a refreshing sparkling summers drink.   

Taking stock

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Icy stone familyWe've become so used to devouring large quantities of food at this time of year that it's hard to connect with the idea of seasonal shortages - but that's what the midwinter solstice essentially announces. These end-of-year feasts, until fairly recently, celebrated the return of the sun - the lengthening of the day and the shortening of shadows. After this date, the darkest night is over, but the depth of winter is still to come. From this point our ancestors faced a time when there was little food available outside, a period when they had to rely heavily on their stores, using them carefully and keeping the best seed for sowing and animals for breeding in the year ahead. These days we give over most of the responsibility for that to the supermarkets - a convenient arrangement, but ultimately a risky one.


Permaculture encourages to keep our stores closer, where we can be more in control of them, either in our own gardens, or at least in our towns and villages. Gardening is more work for us certainly, but offers us much more resilience too. People queueing for food outside empty shops in New Orleans should have taught us that, but no, it seems we didn't get the message.


One of the secrets of nature's success (and a permaculture principle) is having  'many elements for each important function' - to have many different grazers, pollinators, photosynthesisers and so on. For us it means having several ways of meeting our needs for food, water, warmth, etc. giving us more options should our usual supply run dry. That doesn't mean we all need to grow all our own food (permaculture was never about 'self-sufficiency'), but knowing that we could (if we had to), along with having access to fresh, locally grown fruit and vegetables, that gives a sense of security that money could never buy.


18 important reasons to plant trees

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Sheep sheltering from the sun under trees It's autumn and many trees are putting on a beautiful show of colour for us, so I wanted to take the opportunity to celebrate all the other things that trees do for us - just in case you still need to be convinced that planting trees is a good idea! I offer a few good reasons here (can you think of any more?). Remember that most of the trees we’re enjoying today were planted for us by our ancestors. Now it's our turn.


1. Trees make oxygen. Okay, I’m starting with the obvious ones, but without the miracle of photosynthesis we would not be here at all. It’s important to remember though that trees and plants need us just as much, to replenish atmospheric carbon dioxide.


2. Trees sequester carbon. I’m sure we all appreciate the importance of that right now, but throughout the history of Life on Earth, the ability of photosynthesisers to take carbon out of the air and reduce greenhouse gases has kept the global temperature ‘just right’, despite our sun increasing in temperature by around 25%.


3. Trees shade us from the hot sun. Yes, I know it rarely gets that hot in Britain, but there are still days when we seek out shade and trees provide it well. Grazing animals, when they have access to trees, always seek out their shelter too.


4. Trees shelter us from the rain. They shelter everything else beneath their canopy too, including, and especially, the soil. In woodlands their leaf fall provides a carpet that slows water before it hits the soil itself, allowing it to percolate in rather than run off.


5. Trees slow water run-off. Where we do find run off (from fields or hard surfaces), trees can slow it and again allow it to percolate down into the soil. The root buttresses of trees act like mini dams that catch water –and the slower the run off, the less chance there is of flooding occurring downstream.

Wakelyns Agroforestry Farm

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Hazel with weatAs promised in my most recent blog about agroforestry, I’m now going to introduce you to what I understand to be the finest example of alley cropping in Britain. The home of Prof. Martin Wolfe, Wakelyns Farm, sits close to the Norfolk / Suffolk border, tucked away down some little lanes. Martin moved there in 1994 and began the establishment of an experimental organic silvoarable (trees with arable crops) system. They chose a place well out of the way because they weren’t sure if it would work or not, but 23 years on that is no longer in doubt. The farm covers 22½ hectares (approx. 55 acres) and is divided into four different systems. Common to all of them are rows of trees running north-south, spaced around 12 metres apart – a distance initially set for the convenience of machinery, but later realised to also be just about optimum for the benefits to the crops at this latitude.


Two of the four systems utilise double rows of Hazel and Willow, both of which are coppiced on a cycle (the Willows every 2 years and the Hazels every 5 years). The double rows ensure that when one row is cut down to the base, it has an adjacent row that still provides shelter to the crops in the alleys. The Hazel and Willow are both used primarily as biomass crops to provide heat on the farm. The crops in the alleys are rotated, with Wheat and Oats the main grain crops currently. Squashes are also grown, followed by clover and a ley grass mixture. Careful measurements are made of yields. One interesting figure is something called the Land Equivalent Ratio (LER). The LER of Hazel with Wheat is 1.3. What that means is that if you grew the same yields of Wheat and Hazel separately as monocultures, you would need 30% more land.

Agroforestry to the rescue!

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Soil washing off a ploughed field and clogging up road drains

A field of grain ripening in the summer sun is a familiar sight, the promise of food on the table, a symbol of our ingenuity in conquering nature. And yet if we return to that field in the winter we’ll see a very different picture. I live in a little valley close to the coast in Devon. We’re surrounded by mixed farming, some pasture grazing, some arable, and when it rains in the winter the stream that passes our cottage turns brown with the soil being washed off the bare fields.


A significant part of the problem is the ploughing of hillsides, which are extremely vulnerable to erosion –the niche that the ancestors of modern grains naturally inhabited was relatively flat valley floors where water moves much more slowly. This problem was exacerbated when we switched from pulling ploughs with animals to using tractors. Animals can plough on contour, creating a series of mini ditches across the slope that catch rain and allow it time to soak in. Erosion then was fairly minimal. Tractors, by contrast, cannot plough on contour on slopes beyond a certain angle, because they tip over, often killing the drivers. They do however have much more power, so instead they plough up and down the slope – a process that requires vastly more energy to perform – they climb the hill hundreds of times instead of just once – but they don’t tip over. In doing so they create channels that run from the top of the hill to the bottom, which direct water straight down the slope, allowing it to pick up speed and carry much more soil away. Around here we see very little soil left on the tops of ploughed hillsides, something that’s really obvious from a distance on the chalk downs. We really shouldn't be ploughing slopes, but what can we do? Whether we’re designed to eat grains or not, we certainly seem, for the moment at least, to be addicted to them. We’re not going to stop ploughing anytime soon, so how can we make things better?


I have one word for you. AGROFORESTRY.

Design Your Permaculture Livelihood

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Originally published in Permaculture Magazine issue 89 (Autumn 2016)
Filling in a skills tree

Teacher, author and consultant, Aranya, shares his advice on how to join the permaculture economy

More than half of us in Britain it seems are unhappy in our jobs and yet most don’t do anything about it.[i]  Discovering permaculture though can be the catalyst for us to start considering how we might make that transition to the more positive-impact lifestyle we aspire to. At first it may seem that the only available permaculture livelihoods are as a teacher or food grower, but these are just the more visible ‘front end’ of a wide network of interdependencies. While teaching and writing are my passion, I currently still manage my own websites, do my own accounts and convene some of my own courses. I gained those skills out of necessity, but would love to be able to call on them from within the permaculture community to free up my time for the things I’m more interested in. So this article shares some ideas and reflections in the hope it will help bring more of you into the permaculture economy.

Permaculture Your Body

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Paleo diet BanksyOriginally published in Permaculture Magazine issue 91 (Spring 2017)

Aranya considers how we might apply a permaculture design approach to the one place we spend our entire life in – our body.

At its essence, permaculture is about meeting our needs, but it does this mostly indirectly, by guiding us in shaping the landscape around us. I wondered, couldn’t we also apply permaculture thinking to looking after our bodies directly?


As long as I can remember I’ve been interested in learning about my health. I ran competitively as a teen and into my twenties, something that led me to explore numerous ideas about improving my fitness. Then I began to experiment with my diet, which led me to discover gardening.  Later, when Permaculture came along, it offered me a whole new set of tools in the garden and connected me into a network of inspiring people. That was twenty years ago, but it’s only been in the last five that I began to ponder my own body from a permaculture perspective. I asked myself the question “what has this thing I inhabit, my physical body, evolved to do?” How can I ‘work with my own nature’?

What Robin Dunbar taught us

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LichenIt emerged this week that the symbiotic relationship we've long understood lichens to be is a little more complex than was previously thought. In addition to the fungi and the algae or cyanobacteria (simply put, the former contributes a structured moist environment and the latter photosynthesises sugars from sunlight), yeasts have now been discovered living close to the surface. It's believed their function is to help fend off predators and repel microbes. This news adds another layer to an already fine example of cooperation that I've been sharing on my permaculture courses for a long time now. It is of course just one of a multitude of examples found throughout nature. All multicellular organisms, including our own human body, are clear evidence that working together is a better long-term strategy than going it alone. Our social tendencies express this too on a scale beyond the individual, but our modern society has put us in contact with more strangers than perhaps any time before in our history, bringing with it much mistrust and fear.

Our ancestors of course understood the security value of living in groups, but there's a point where size does matter. This is what Robin Dunbar taught us - that when groups get beyond 150 or so there are more people than we have enough time to have regular contact with and it's that interaction time that builds trust. So if you have more than 150 friends on facebook, well, if you're like me, many of them are still strangers aren't they? They may share interests with us, but those occasional virtual interactions don't bond us in the same way as those we enjoy face to face.

Diversity and permaculture courses

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Aranya teachingTeaching currently takes up about half of my year and involves a significant amount of travelling, albeit mostly in Britain. The average number of participants on my courses is twelve. Some might study this behaviour and suggest I could be more efficient. Economic logic recommends that I book a large seater venue, forget about providing food or accommodation and market that one course intensively. That would give me plenty of time to spend at home and involve the least amount of my time in sharing what I have learned, Such a strategy would keep the costs down for participants too. So why don't I choose to do that? Why teach so many courses to smaller groups of people in so many places? Well I can answer that question with just one word - Diversity.

Those of you already familiar with the principles of permaculture will know the word well. Life succeeds for a number of reasons, one of them being its ability to adapt to a wide range of niches. No opportunity goes untaken for long. By applying the secrets of life's success to the things we do, we can create better, more resilient systems. Let's start there. A monoculture might seem like an efficient way of growing a lot of one thing, but it's actually a very fragile approach. We have to input a lot of energy and resources to grow crops in such a way. Permaculture systems are much more diverse, if one thing doesn't do so well in any given year there are others that will. Running one course a year only sounds like a good idea until something goes wrong, then it becomes a disaster. An 'all your eggs in one dropped basket' situation.

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