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Understanding Biological Farming: A Simplified Understanding of ‘Compost Tea’ a Plant and Soil Probiotic
UNDERSTANDING BIOLOGICAL FARMING: A SIMPLIFIED UNDERSTANDING OF ‘COMPOST TEA’ A PLANT AND SOIL PROBIOTIC
In ideal soil ecosystems, we would have dramatically different soil and certainly a dramatically different level of ‘made made’ toxins. In an ideal soil environment, we would expect our topsoil to contain 10% organic matter, and would also expect to have literally thousands of species of bacteria and hundreds of species of fungi. In most soils today, we often have a humus content of less than 1% with just a few hundred species of bacteria (including plant pathogens) and less than 100 species of fungi (including plant pathogens) this is often due to poor soil management including the use of chemical fertilisers, pesticides, fungicides and herbicides. Poor soil management is simply a matter of misunderstanding the importance of building living soils.
The lack of a large diversity of bacteria and fungi in our soils affects plant health and production dramatically because plants naturally have a very close symbiotic relationship with the soil biology. Plants depend on bacteria, fungi, worms, bugs, and beetles, and larger animals to help provide and digest their food for them. Plants don’t digest minerals by themselves; they either depend on a complex relationship of soil biology to provide their nutritional and health needs or they depend on often toxic ‘artificial’ soluble fertilizers and pesticides to provide for their food and health needs. The first is natural and depends on natural processes, the second is increasingly expensive, more difficult to manage and defeats natural soil fertility processes.
In healthy soil with good organic matter and a healthy biology, a soil food web is created. How this works is that the plants exude ‘exudates’ from their roots, these are simple sugars, proteins and carbohydrates in many different forms, which then trigger responses from the soil biology. The bacteria, protozoa, beneficial nematodes and fungi respond to these triggers to provide the plants with nutrition and to protect plants from disease.
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Save Our Soils
SAVE OUR SOILS
Less than thirty per cent of the world’s topsoil remains in fair or acceptable condition. The fragility of this vital layer can be illustrated through a simple comparison: if one imagines the earth as an orange, the extremely thin topsoil layer is no thicker than the shine on the skin of that orange. An astonishing variety of creatures rely on this ‘shine’ for all of their basic necessities.
Our growing knowledge about soil has formed the basis of new soil services, soil analyses, and many well-intended soil conservation attempts, yet we are still losing soil at an ever-increasing rate. If this trend continues for much longer, our current form of society will eventually collapse – and mainly as a result of practices as simple as over tilling.
At the same time, soil is being damaged irreparably by salinisation, for example resulting from the clear-cutting of forests that are often far away. There are only a few places in natural systems in which soils are well conserved: uncut forests; under shallow lakes and ponds; native grasslands populated by perennials; and mulched and non-tillage agricultural production systems.
A SUSTAINABLE APPROACH
Although this situation may seem extremely gloomy, there is hope in the form of numerous sustainable approaches to soil reconditioning, maintenance and rehabilitation. Surprisingly, amateur gardeners and farmers – not scientists with big fancy labs and federal research grants – are doing most of the real research. Moreover, these people are achieving results: creating high quality soil through water control, modest aeration, and the assemblage of specific plants and animals. And this is done with careful consideration of the sequence of these treatments.
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Food Sovereignty
Food Sovereignty
‘Food sovereignty’ is fast becoming a lost concept; the right to have the knowledge and resources to grow our own food is an essential right. If we don’t have access to nutrient dense organic food, then where do we get the essential energy to heal our body, mind and spirit certainly not from the supermarket where the average ‘fresh food’, in Australia food often travels more than 1000klms from farm to plate? The value of the ‘sprout jar’, the home garden, or locally grown organics is vastly underrated, these are some of the rare places where we get not just food that fills but food that heals.
Organics combined with living soils works to redefine ‘sustainable agriculture’ as: ‘Our ability to build fertility as we improve production and reduce input costs’
One of the major global demands we face today is the heavily depleted state of our soil. The past few decades have seen an unprecedented demand on natural resources from modern agriculture, and this demand has proven to be unsustainable. Modern agriculture is artificially stripping the soil of its long-term nutrients to such extremes that we are essentially eating our grandchildren’s food and leaving behind an agricultural wasteland as a primary burden for future generations.
Current modern agricultural practice is based on a military approach where the first response to imbalance in the productive system is to kill something. In a biological system our first response is to add life, so that ‘Nature can do what Nature does best’, create balance in our productive systems.
One of the primary ways to do this is through the production of specialist compost that is rich in plant nutrient and has a high diversity of beneficial soil microorganisms. This diversity and richness supports the balance and vitality of the growing system by empowering the natural processes rather than overriding them.
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