Why of why is there a constant stream of advice to add egg shells to compost bins? They do not break down and neither do they add calcium to soil. It is an internet problem, somebody puts it on a web site or social media page and it becomes ‘the truth’. Nobody bothers to check, nobody challenges or tests it.
They last a very long time in a garden: “The study looked at a property in Virginia that was at one time owned by Thomas Jefferson. It was a tobacco plantation that contained a small community of slaves from 1840 to 1860. Excavation of the site found thousands of eggshell fragments from both chickens and ducks, which had been raised by the community.”
If you have ever wondered why food is such an important part of climate change then read this article from Grain. It questions the belief that agriculture accounts for a third of greenhouse gas emission and say it is nearer 50%!
The changing climate is already having an impact on food supplies. We are all vulnerable, wherever we live, which is why we need more sustainable and resilient ways to grow food.
“If we consider the fuel that it took on the farm and on the roads, the energy it takes to process our foods, and make our fertilizer, food is very valuable indeed!”
If you are a gardener then why throw out food waste? There are many ways to it, you can either add it to your normal compost bin or have a separate container.
There is a myth about not composting cooked food as it attracts rats. Rats are survivors and they do not spend time hunting out cooked food, they will eat anything they can find.
We have been using a HotBin to compost food waste for a few years now and find it works well. Like all composting the trick is to get the right mix of contents and the add material in batches and not a few bits at a time There is more here
If you want to compost food waste from a school then look at the Ridan composter. It is much easier to use especially where food waste is added on a daily basis. It is much more expensive.