The Soils Cation Exchange Capacity and its Effect on Soil Fertility

Carrying out a soil analysis

Cation exchange capacity. Soil nutrients exist as positively charged or negatively charged ions when dissolved. The positively charged ions are known as cations and the negatively charged ions are known as anions. The nutrients which exist as cations are calcium (Ca2+), Magnesium Mg2+, ammonium (NH4+), potassium (K+), hydrogen (H+), sodium (Na+) aluminium (Al3+), iron (Fe2+), manganese (Mn2+), zinc (Zn2+) and copper (Cu2+). Some of the nutrients which exist as anions […]

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Permaculture Education Centre

Permaculture Education Centre feat

A Permaculture Educational Centre in cool climate Australia to support so many people. Being parents of 8 children plus foster caring 28 and hosting 8 from various countries we know how important and invaluable it is to create a sustainable future via permaculture education for future generations. We all learn differently and our lives take many twists and turns when travelling life’s journey but I think we all know when […]

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If Global Aviation Were a Country

If Global Aviation Were a Country

According to the National Resources Defense Council, If Aviation were a country it would be the 7th largest polluter in the world. The NRDC made the statement in a report in 2013 after an annual meeting of the International Air Transport Association. The IATA is a global association that represents 84% of air travel worldwide. In 2013 the industry was responsible for 3% of carbon dioxide emissions in the U.S. […]

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Peat Soils

Peat Soils feat

Peat soils are formed from partially decomposed plant material under anaerobic water saturated conditions. They are found in peatlands (also called bogs or mires). Peatlands cover about 3% of the earth’s land mass; they are found in the temperate (Northern Europe and America) and tropical regions (South East Asia, South America, South Africa and the Caribbean) 1. Peat soils are classified as histosols. These are soils high in organic matter […]

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One Man’s Mission to Revive the Last Redwood Forests | Short Film Showcase

One Man’s Mission to Revive the Last Redwood Forests | Short Film Showcase

David Milarch’s near-death experience inspired a personal quest: to archive the genetics of the world’s largest trees before they’re gone. This short film from The Story Group documents his effort to save the redwood champions of Northern California from the effects of climate change. The Story Group: http://thestorygroup.org/ Courtesy of Youtube

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Planting Justice

Planting Justice feat

Based out of Oakland, Calif., Planting Justice is a remarkable organization headed up by a former student of Geoff Lawton, Gavin Raders. With a five-acre food forest, an orchard and nursery, educational center, sliding scale organic shop and more, the non-profit is battling food deserts and assisting the community through their prison permaculture program, as well as high school permaculture education. Gavin Raders’ story begins at UC Berkeley, where he […]

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Basil: What Every Permaculturalist Should Know

Thai Basil

In a design system in which we are looking for each element to perform multiple functions, there are few plants that can show off quite the way basil does. As a rule of thumb, things are expected to warrant their placement within our designs with at least two useful attributes, but basil performs well all over the show. It dazzles in the kitchen, the garden, the herb spiral, the food […]

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Better Wood Heat: DIY Rocket Mass Heater Videos

DIY Rocket Mass Heater Videos feat

A rocket mass heater is: • Cheap to run. About a tenth the cost of natural gas, electric or conventional wood heat. • Clean. They emit about a hundredth of the smoke of a conventional wood stove. • Good for the environment. Less than 2% of CO2 emissions of natural gas or electric heat. Can reduce your carbon footprint as much as parking 7 cars. • Sustainable. It uses a […]

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Getting Consistency in Cheesemaking

Assortment of organic gourmet cheeses

The seasonal differences in the milk flora sometimes create unwanted results in the end product. There are things you can implement other than changing the name of the cheese by dancing around the cheesemaking steps. A good artisanal cheesemaker should always be on top of the recipe but also react to the sudden unforeseen changes and adjust along the way. It is like continues improvement and risk mitigation process for […]

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How Do You Restore Degraded Soil?

Sprout growing out of concrete

A degraded soil typically loses its ability to supply food and habitation to living organisms, in its surrounding. When this happens, effort is made to restore the soil back to its natural state. Characteristics of a degraded soil include: high salinity, decline in fertility, decline in organic matter (leading to decline in soil structure), soil erodibility, increase in alkalinity and acidity. Soil degradation can be caused by man: for example, […]

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Understanding Urban Agriculture – Part 2, Productivity, Potential and Possibilities

NYC Urban Farm 01

This is part two of a series of articles Angelo is writing, for part one please visit: http://permaculturenews.org/2016/10/05/understanding-urban-agriculture-part-1-present-state-historical-context/ People who say it cannot be done should not interrupt those who are doing it. George Bernard Shaw Urban agriculture is a growing phenomenon worldwide, and in the first part of this article, “Understanding Urban Agriculture – Part 1, The Present State in Historical Context” we looked at the history of localized […]

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Making Solar Power Reality in Our Cities

Rooftop solar panels

I stepped out of line last time when I posed the question; do our cities have the right to exist at all? Now their original purpose as military strongholds is no longer on the agenda. I concluded we are stuck with them provided they add value. They should be careful. Mobs overthrew cities in the past and looted them. They are still capable of doing damage. Think what happened to […]

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