Wicking Bed Liners Explained: Are Plastics Safe for Growing Food?
People often ask what lining materials are safe for wicking beds, especially when plastic films are involved. In this newsletter Colin Austin…
People often ask what lining materials are safe for wicking beds, especially when plastic films are involved. In this newsletter Colin Austin…
Wicking beds are often described as a water-saving trick, but that misses the bigger point. Modern food systems are excellent at producing…
Wicking beds emerged from practical experiments aimed at growing food under drought conditions, first in Ethiopia and later elsewhere. The core problem…
The wicking bed basket scheme was designed to make truly nutritious, fresh food available to almost everyone, including people with limited space,…
Wicking beds are usually seen as a backyard method, but they can also be scaled up to deliver major public benefits: more…
BioPack is a simple, practical way to rebuild tired or degraded soils by reintroducing the biology that creates fertile structure. Each BioPack…
WickiMix is a biologically active soil regeneration system designed to convert waste organic material into living, fertile soil. It works by combining…
This question and answer article brings together real conversations between growers and Colin Austin, addressing the most common practical issues faced when…
Older soil science focused on sand, silt, clay, and nutrients like NPK. Modern soil science adds the missing piece: biology. Biology is…
Climate change is often presented as complex and mysterious, yet the basic physics behind it has been understood for more than two…
Climate change and water scarcity are no longer future risks; they are present realities that demand practical, system-level responses. This article explores…
South East Queensland is often described as being in water crisis, yet the real issue is not a lack of rainfall but…
This page introduces an independent water “think tank” focused on innovation rather than politics or commercial interests. It explains why water management…
Watropy is a simple but powerful idea: water has value not only by volume, but by how long it stays useful. In…
“The Phantom Water Crisis” argues that the so-called water crisis is not mainly caused by a lack of rain, but by how…
Building a sustainable world is not just about cutting emissions. It is also about feeding a growing and increasingly affluent global population…
This research summary explains a practical, large-scale way to mitigate climate change by changing agriculture. The core idea is simple: plants already…
This article explains the origins and purpose of this site. Colin Austin outlines how severe soil loss in Australia led him to…
Capturing carbon in soil is often described as a simple fix for climate change and poor soils, but it is not that…
This article explains why Kyoto-style carbon rules have struggled, and why soil carbon needs a different approach. Colin Austin argues that soil…
This article explains why climate change is real and urgent, yet so hard to solve. Colin Austin argues that modern “reductionist” science…
This article argues that climate change is not only an environmental issue but an organisational and economic one. Colin Austin proposes that…
We are not winning the climate change war. Emissions continue to rise, targets have been shaped by politics rather than physics, and…
In the mid-1990s, Colin Austin asked a simple question: are there better ways of applying water? Horticulture had become more efficient, but…
This downloads page provides access to key Waterright resources on water, irrigation efficiency, and practical solutions for growing food with limited water.…
Microflood is a practical irrigation upgrade that turns traditional flood irrigation into a far more efficient system. It was recognised internationally with…
The “Solving the Water Crisis” video series shares Colin Austin’s search for practical answers to the global water crisis. What began as…
Water Wit and Wisdom steps back from technical debates about water and instead examines how we think about water. It explores why…
This presentation outlines why the future of agriculture must adapt to climate change and water shortages, and why co-operation is essential. It…
This page lists Colin Austin’s publications across water, irrigation scheduling, salinity, soil, climate change, and practical farm innovation. It includes books, manuals,…
This article explores how improved flood irrigation and wicking-based systems can regenerate soil, reduce water loss, and restore soil biology under increasing…
Water for food is one of the defining challenges of a warming world. The wicking bed system appears simple, yet it represents…
Kyoto is now decades old, yet atmospheric carbon continues to rise. This submission argues that the real issue is not talk, taxes,…
Colin Austin is an engineer, inventor, and founder of Moldflow, a software company that helped shift plastics mould design from “gut feel”…
This article tells the story of Colin Austin, an Australian engineer and innovator whose work spans advanced computer modelling, irrigation reform, soil…
This article describes a practical droughtproofing project developed in Ethiopia to address food insecurity during severe drought. Invited by World Vision to…
Micro flood irrigation is a simple, low-cost way to deliver water to plants without chronic under-watering or over-watering. It was designed to…
Making the most of water is not about applying more or less by guesswork. It is about understanding how plants respond to…
Irrigation scheduling is one of the cheapest ways to save water and improve plant growth. It is not just about avoiding wilt.…
WaterRight is a practical way to schedule irrigation using two simple measurements: how far water penetrates into the soil (irrigation depth) and…
Poor irrigation scheduling is one of the biggest drivers of wasted water, and it can also cause environmental harm. Traditional “scientific” methods…
Anticipatory irrigation is a practical and commonsense way to use water better by working with rainfall, evaporation, and soil behaviour rather than…
Poor irrigation scheduling is one of the biggest hidden causes of wasted water and reduced plant growth. Many growers apply too much…
Australia is often described as a dry continent facing inevitable water shortages, yet the reality is far more complex. On a per-person…
Good irrigation is not guesswork. It is about matching water supply to what your plants actually use, and what your soil can…
Healthy soil is the foundation of food, nutrition, and long-term resilience. Yet much of the world’s soil is being degraded faster than…
Australia’s water debate is not only about drought. It is also about salt. Each year, millions of tonnes of salt are mobilised…
Micro Flood looks like old-fashioned flood irrigation, yet it can behave very differently. By splitting a long bay into short “micro blocks”…
This page brings together a chronological overview of publications that document a long-term exploration of water, soil, irrigation, and sustainability. Spanning more…
This article introduces the Solving the Water Crisis DVD series, a practical and challenging exploration of how we think about water in…
This article explains why Australia’s real water crisis is not only drought, but salinity and soil sodification caused by how irrigation water…
Australia faces many of the same water challenges seen in parts of Africa, including unreliable rainfall, water scarcity, and recurring drought. This…
This summary draws on lessons from the long history of irrigation to explain why many irrigation societies have failed and what can…
This article explores a practical, innovation-led approach to solving water scarcity. It traces how unconventional research methods led from early engineering work…
Australia is often described as “the driest inhabited continent”, yet the raw facts point to a different problem: we receive substantial rainfall…
This article summarises Colin Austin’s practical, innovation-driven approach to Australia’s water challenge. It explains why “competence research” often produces incremental gains, while…
Micro flood irrigation is a low-cost, high-efficiency way to water plants without the usual problems of under-watering, over-watering, salinity build-up, and nutrient…
Global warming is a risk we cannot afford to “wait and see” about. Even if we reduce emissions, fast-growing economies and a…
Global warming is usually framed as a problem of reducing human emissions, yet this overlooks the far larger natural carbon cycle. Man-made…
Global warming is no longer an abstract or distant issue. The real challenge is practical: what can individuals, communities, and farmers do…
This article explains why global climate negotiations such as Copenhagen struggle to deliver real change, and why agriculture offers a practical path…
International climate agreements repeatedly stall, not because the science is unclear, but because economic structures, social realities, and political systems make coordinated…
Climate change presents two linked challenges: reducing carbon in the atmosphere and protecting food production in a world of increasingly erratic rainfall.…
This article explains why we are not winning the climate change fight, and why “just cutting emissions” is unlikely to be enough…
This article explains why climate change is so hard to solve politically, and why soil and food security may be the most…
Climate change is already amplifying floods and droughts, placing growing pressure on global food production systems. This article explains a practical agricultural…
Climate change can feel distant until extreme weather turns up at your door. After Queensland floods sent water under my house, I…
This story uses humour and a sci-fi lens to make a serious point: Australia does not mainly suffer from a lack of…
Water is often the limiting factor in growing food, especially in dry regions and disadvantaged communities. This article explains a simple, practical…
Australia’s water problem is not simply “not enough rain”. It is that much of our rainfall has a very short useful life…
Australia receives vast amounts of rainfall each year, far more than our population actually needs. Yet chronic water shortages persist. This article…
Australia is often described as a country facing severe water shortages, yet the total volume of rainfall far exceeds what we actually…
This article introduces what I believe is the next major revolution shaping human health and survival: gut biology. While technology has transformed…
Growing vegetables through hot, wet Queensland summers is difficult because of heat, insects, weeds, disease, and heavy rain. This article explains a…
This vision outlines a practical way to improve food security, reduce water waste, and address climate change by capturing carbon from the…
This article looks thirty years ahead and argues that the next major shift in society will be driven by environmental services rather…
Australia does not suffer from a lack of rainfall. What we suffer from is a failure to capture it. Most rain falls…
Droughts are part of Australia’s natural cycle, but we still waste the water that falls in the smaller rains. The volume is…
Anticipatory irrigation is a practical, common-sense approach to watering crops more efficiently by working with rainfall, soil behaviour, and evaporation rather than…
Wicking beds did not begin as a backyard gardening idea. They emerged from practical work on food security during drought, where the…
This article explains why using stones (or coarse sand) and cloth at the base of wicking beds — a common practice —…
This article explains why some wicking beds can smell bad and, more importantly, how to prevent or fix that problem. Stinky wicking…
The WickiMix system is a practical soil management method designed for wicking beds, sponge beds, and conventional garden beds. By combining living…
The Development of Wicking Beds through Soil and Water Systems This blog explains how wicking beds were developed and why they work…
Many people think wicking beds are just to save water; the most important feature however is creating a mini ecology with a…
The microbes in our gut are critical for our health but in an effort to feed the ever increasing population and avoid…
Healthy Plants vs Plants That Make Us Healthy The most common question I am asked is about soils for wicking beds. That’s…
Soil biology is the key — my aim with WickiMix is to provide a concentrate and inoculant where people can create their…
Where to start regenerating soil? Well nature has been making soil for a few billion years so let us see what we…
Parent soils, such as clay, sands and potting mixes can be transformed into soils suitable for wicking beds. Here we start by…
Wicking systems rely on the attraction between soil and water so water (and nutrients) will rise up from a water storage to…
Food gives us energy and regenerates our bodies. Most commercial foods now contain a lot of energy or calories based on simple…
The Gbiota Story
The Essence of Gbiota Breed beneficial microbes in living soil. Grow plants in that soil and eat them fresh so the microbes…
We all want to live a long and healthy life, free of disease. That depends very much on the food we eat. We need food for energy. Our modern food...
Life is good, we are living longer and the supermarkets are full of healthy food. Sounds great but is it true? My daughter, when she was about seven taught me...
We show the process of – breeding beneficial microbes in organic – growing plants in this soil using the flood and flush system so the soil breathes and soil blood...
Let us look at the story of food and health. In the past, and that means going back a million years to the first humanoids there was no epidemic of...
You can grow the good gut-bugs at home in containers, gbiota baskets – even if you live in an apartment with no garden and no growing experience. You grow plants...
For the first few billion years the earth was just a barren rock. Then microbes appeared, they broke down the rocks and made soil which led to plants flourishing. Next...
The third mega-change If you think the world is going through a difficult period you are right. We are going through our third mega-change and managing this change is not...
We are facing an epidemic of chronic diseases, obesity, diabetes, heart attacks and dementia. In the real world people just carry on with their normal life until their health deteriorates...
Surely the aim for any community is for its members to live a long and healthy life. Yet we are not doing that well with well over half the population...
Why is it that some people are fit and healthy, enjoy a long health span with hardly a visit to the doctor while despite the sophistication of modern medical research...
Why is it that some people are fit and healthy, enjoy a long health span with hardly a visit to the doctor while despite the sophistication of modern medical research...
Gbiota, at its core, is still about paradigm shifting but the scale of the battle is just so much bigger. Chronic diseases are the biggest health problem across the globe....
Our gut-brain comprises trillions of cells which communicate with their neighbours to create swarm or group intelligence which regulates our bodies – our intelligent control system. If our gut brain...
Is humanity in danger of extinction? Probably not. Is our modern comfortable lifestyle in danger of extinction? Definitely yes and it is happening right now. Can we do anything to...
There are trillions of microbes of thousands of species in your gut. Each cell can communicate with its neighbour to create swarm intelligence which controls our bodies, including our appetite....
Across the globe people are getting fat leading to an epidemic of chronic diseases. Here is why and what we can so about it. In our gut, we have trillions...
Ask around “What is the biggest health challenge?” no not dinosaurs, you are likely to get the very short answer “fat” for the simple reason that the wrong fat in...
We are at a crossroads and have two options. In option one we can live in a society dominated by marketing hype, where we buy health bars full of sugars...
What is Gbiota? Gbiota is a social movement that aims to create a thriving, sustainable society with a food system designed for long, healthy lives. It emphasizes recycling over depleting...
Modern food is that it may be hygienic, triple wrapped in plastics, but it is inert lacking the microbes which form our gut-brain which regulates our appetite so we overeat...
The Gbiota technology breeds beneficial microbes in “Wickimix,” a specially enriched soil, for growing nutrient-packed plants that enhance your gut biota that supports natural appetite regulation, combats chronic diseases, and...
We are living longer, thanks to major advances in medical science. In the past people died, often when young, from infectious diseases now we die predominantly from chronic or non-infectious...
We are living longer, thanks to major advances in medical science. In the past people died, often when young, from infectious diseases now we die predominantly from chronic or non-infectious...
As a celebrated engineer recognized for his groundbreaking work in Computer Aided Engineering, Colin’s expertise in adaptive systems sparked a revolutionary idea: What if chronic diseases like diabetes, obesity, and...
Junk food is tasty, convenient, inexpensive but not healthy. Genuine organic food may be healthy but is very expensive. But there is a third type of food which is both...
My wife Xiulan, a medical doctor and surgeon became diabetic, the professional medical advice given to us was that diabetes is an irreversible chronic disease, it will steadily get worse,...
We must create an ecosystem, a food ecosystem in which humans can thrive. Charles Darwin taught us that creatures evolve to thrive in their local environment. Humans now have the...
Gbiota is a community benefit organisation aiming to prevent the current epidemic of chronic diseases, overweight, diabetes, heart attacks and dementia. These are all caused by the wrong fat in...
Chronic diseases, obesity, diabetes, heart attacks and dementia cause a great deal of personal distress and cost Governments billions of dollars. They are very difficult to cure but can be...
Two-thirds of the population are overweight, the wrong fat in the wrong place is the root cause of all chronic diseases. Diabetes is the fastest-growing disease with half a billion...
Across the globe, we are suffering from an epidemic of chronic or non-infectious diseases. We know that these chronic diseases are caused by the wrong fat in the wrong place...
Food – we love it. But it is making us fat and sick and growing it is destroying the soils and planet on which we all depend. What has gone...
Across the globe we are suffering from an epidemic of chronic or non infectious diseases. Three out of four people die prematurely from a chronic disease. The social and economic...
Our bodies have an intelligent control system which regulates our bodies, particularly our appetite and immune system. Our gut is an integral part of this control system. If we have...
We teach how to grow plants as pre and pro-biotics. That is the easy bit, understanding and applying the science of breeding beneficial microbes in a special soil, Wickimix largely...
We are in the midst of an epidemic of chronic diseases, overweight, diabetes, heart attacks and dementia. They say eat less exercise more but that does not work. Our gut-brain...
With all our modern technology and automated production capacity, we should only need to work a couple of days a week to have everything we need and live a healthy...
With all our modern technology and automated production capacity, we should only need to work a couple of days a week to have everything we need and live a healthy...
I do hold this belief that technology should work for the benefit of the community and it is not. It may be making a handful of people rich beyond imagination...
The global food crisis is not some threat for the future, it is here right now, it is not just about poor people starving in some remote country it is...
Has the world gone mad? We have mega companies spending billions of dollars on advertising so we buy food that makes us fat and sick and die before our time....
I want to sell you a concept. It is free you don’t have to pay me anything but you do have to think seriously about it for five minutes and...
At the start, the earth was just a dead inert rock. Then the microbiota appeared, we don’t know from where, but they broke down the rocks making the nutrients in...
There is a nice story about a smart young lady who stalled her ageing car on a busy road. Try as she might she could not get the car started...
Last updated 8th August with section on foliar irrigation Our basic inputs are organic waste, manure and volcanic rock dust. All cheap, readily available and sustainable. The microbes, particularly the...
Last updated 8th August with section on making Wickimix in Gbiota boxes Wickimix is simply a growing medium, soil teaming with life and nutrients and is central to the Gbiota...
It is well known that our gut biota plays a major roles in our health. Many researchers, such as Tim Spector, Professor at Imperial College, London explains this in his...
This was made as a page by a professional graphics designer, I am republishing as a post as I like the graphics
A million years ago the first humanoids appeared, they had a food Eco-system based on eating plants from living soils. These microbes bred in the soil, protected them and they...
Update on how to make Gbota boxes July 24
Pick and eat plants grown in living soil – that is the way to feed your gut-brain which controls your appetite and how much fat your body stores. The wrong...
Describes the underlying principles of the Gbiota movement
Will the power of mega-corporations that control our food system reign supreme leaving the community fat and sick and destroying civilisation as we know it as the supply of essential...
We need the right sort of microbes in our gut to be healthy. The microbes in our gut communicate with each other to form our intelligent control system which regulates...
My wife Xiulan, a medical doctor and surgeon became diabetic, the professional medical given to us was that diabetes is an irreversible chronic disease, that will steadily get worse, we...
Overweight, diabetes, heart attacks, and dementia all have a common underlying cause – the wrong fat in the wrong place. This is not because we have turned into little piggies...
How to grow gut brain food and live a long and healthy life
Here I extract the key points from the many previous points and collect into one spost
I have set myself the target of saving 100,000 people from a diabetic leg amputation before the end of 2025. I know how to do this, I am an engineer...
Food is one of the major threats to humanity, not an absolute lack of food – we produce more than enough energy food, carbs, fats and sugars, to feed the...
Enables users to make posts
We get fat because our gut-brain says so
We don’t get fat and sick because we are little piggies and stuff ourselves with chicken wings, chips and ultra-processed foods. We get fat because we have deficiencies in our...
Humans have evolved to be naturally not fat – it is not good in the survival stakes. Our bodies naturally sense when we are full and our gut manufactures hormones...
It is just a sad fact of life that our modern food system is not working the way it should, which means reduced health span (the length of time we...
I present a plan that will lead to a better life so we and our grandkids can live a happier and healthier life – the plan is about future food...
People across the globe are suffering an epidemic of chronic diseases, obesity, diabetes, heart attacks, and dementia. It is the biggest health threat facing humanity (See Survival). The underlying reason...
Developing a simple Gbiota box for people living in apartments has been the focus of my development work – Why? The world is very different to when I was born....
“Colin, we know you are trying to persuade people of the benefits of eating healthy food full of living beneficial microbes, but we already know that, and what we want...
I recently wrote an article rethinking food and diabetes that described a simple and inexpensive technology which could dramatically reduce the eight million amputations that occur every year. You may...
There are hundreds of posts and videos on this site. This post arranges the key posts into a convenient learning schedule
We have known for at least twenty years that Diabetes gets serious when fat levels in the Pancreas increase preventing the Pancreas from making insulin. All the experts say the...
Overview of the Gbiota strategy
Microbes breed in the soil, enter plants which act as natural pre and pro biotics which we eat to form our gut biota. This process is the result of millions...
Round and round it goes For some million years humanoid creatures have survived on this planet by eating fresh plants grown in living soil. The way it worked is simple....
Homeostasis Many of my readers know that I am a bit OCDish about how our food system is compromising community health. The medical facts are simple, everyone has an inbuilt...
The modern chemical industrial food system is highly productive producing large quantities of standardised energy food at economic prices. But the food is inert lacking the essential microbes to feed...
Help wanted with digital marketing Gbiota interest is how to grow gut brain food. Few people are going to Google ‘how to grow gut brain food’ and if they do...
The gut is a highly sophisticated organ that does much more than digest food. It forms part of a real brain which controls our bodies, particularly our appetite, what and...
The world is suffering a food crisis, not in quantity – we are actually producing more food than the world needs – but in the quality that will lead us...
What is the best pro-biotic ever, in fact the only one that really works for sure? Answer human breast milk. Puzzled scientists For many ears scientist were puzzled about some...
It is well known that our gut biota plays a major roles in our health. Many researchers, such as Tim Spector, Professor at Imperial College, London explains this in his...
Gbiota basics – collecting organic waste to make labile compost – starting a new box – regenerating an old box
Gbiota is an evolving technology and when some new bit of technology comes along I write a new article to describe what is new. This has led to hundreds of...
Our gut is a true brain with intelligence. All those trillions of cells are communicating with each other like some super computer. Unfortunately we have no idea of the code...