Throughout her time at the University of Glasgow, Johanna demonstrated an unwavering commitment to her students' education and personal growth. She was a model of research-led teaching, skilfully utilising the vast collections within the University's Library Archives & Special Collections to inspire and engage her students. AIR – The fastest form of composting is done by organisms that need oxygen. To give microbes air to breathe we need to add air to the mixture by aerating the contents to make sure there’s oxygen throughout the bin. There is plenty of capacity for ALL your food waste, as well as plenty of garden waste as this hot compost bin has 330L capacity.

Hubby has pointed out that it is a hot composter, and will inevitably work better in warmer weather, and thinks that starting it now in mid February is a bit rash. Ann added: “We, as a community, mourn the loss of an exceptional teacher, scholar, and friend. Johanna's legacy will forever live on in the hearts of those she touched, and her contributions to our lives will continue to shape the future of all who knew her.” Recommended as a Best Buy in Gardeners’ World magazine and in Which? magazine, the Green Johanna is a top-performing hot composter that turns food waste - including cooked food, meat, fish and dairy - and garden waste into quality compost within months.

9cm Potted Plugs

A mixture that contains a 50:50 balance of nitrogen (Greens) to carbon (Browns) is a good place to start for composting. You may find that you have a lot more nitrogen-rich inputs (food waste) than carbon so it can be handy to store carbon-rich items such as paper, cardboard and autumn leaves so you have them ready to add with food waste. The Johanna is an enclosed container with a perforated integrated base plate that allows access to worms and micro-organisms while deterring rodents. Made in the UK from 100% recycled plastic, it has a five-year guarantee and expected lifespan of 10 years or more. For those of you who don’t know, the Green Johanna is a “unique closed, home composting container” but it can also take food waste including cooked food. Her classes were characterised by innovation, as she fearlessly embraced technology to create immersive learning experiences. Johanna's expertise in digital scholarship and virtual reality led to the development of pioneering educational apps, opening new doors of understanding for her students in the realms of history, text, and technology.” Embedding the Cone in soil means that bacterial digestion occurs below ground level so any odours are absorbed by the soil.

Food waste composting To fully appreciate Green Johannas design it helps to consider what is necessary to recycle waste the way nature does. Every year the same natural cycle occurs; leaves, twigs and trees fall to earth, decompose and become food for new plants. Naturally occurring micro-organisms, bugs and worms, together with oxygen and moisture do all the work. The Green Johanna comes with a handy compost aerator to stir compost every few weeks. This is really good to keep the contents aerated and to speed up the composting process. Too much dry, carbon-rich material, such as autumn leaves, twigs and paper, meaning the contents may have dried out. Add nitrogen-rich material, such as food waste or fresh grass and stir thoroughly. You may need to add a little water using a small watering can or water wand. The ideal consistency is like a squeezed, damp bath sponge. If you take a large handful of the compost and squeeze it, only a couple of drops of liquid should come out.In the first year it may take 6-8 months to get your first batch of compost. After that it should take 4-6 months.

Mix new additions with some of the older layer beneath. After adding food waste, cover with carbon-rich waste such as shredded branches and twigs, dead leaves, wood chips, shredded paper and cardboard.

Ann Gow, Professor of Information Studies, who was a friend and colleague of Johanna, said: “Johanna's presence within the academic community and her impact on the lives of her students and colleagues were nothing short of remarkable. WATER– You want your compost pile to be moist, rather than wet or dry. The consistency of the bin’s contents should be damp like a wrung-out sponge. Microbes struggle if their environment is too wet or too dry. They need water to live, yet too much moisture can limit the amount of oxygen they receive. If compost is too wet, it will start to smell bad. If this happens you need to add shredded paper and cardboard and aerate well so that moisture is absorbed.