Adriaan van Roosmalen

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since Oct 29, 2014
Netherlands (moderate maritime climate)
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Recent posts by Adriaan van Roosmalen

Juliet Kemp from the UK has written a book about permaculture in pots, You can find an review at:

There is also a quite expensive Spanish translation at Search for "Permacultura en macetas"
2 months ago

Michael Cox wrote:I’ll say it again - the lack of thermal mass is a big issue for your situation. Your internal temperature will swing wildly with the stove.

The architect who designed my brother's house, made the this mistake in designing his own super insulated house in the 1980s. Instead of stone, his walls were metal. So he insulated it well on the inside. But when he did not close the door fast when entering or leaving the house, the temperature would drop significantly because of lack of thermal mass.

Note that this was in Belgium with a moderate sea climate with mild winters ;-)
2 months ago
When you use non organic straw or mulch there is a chance that it has been contaminated by 'persistent herbicides'. These are neither broken down by animal digestion nor by subsequent hot composting and can stay in the soil for many years.

An horror story telling what these chemicals can do:
Resources from the US Composting Council about this subject (including a Persistent Herbicides FAQ):
2 months ago
This Geo cooling/heating system is used by the creator of
It is mentioned in the video on that website page.
6 months ago
From :

"Antibiotics do not just affect the infection, they attack the good bacteria that helps the body digest, keep itself clean, produce oils that protect the fur, and many other functions. The rabbits gut is sensitive and throwing it off can lead to GI Stasis which is often fatal. For this reason the Vet that I talked with recommended never giving antibiotics orally. She recommended using subcutaneous or intravenous injection(depending on the medicine and what it was treating). "
6 months ago
If it is feasible you need to take the rabbit to the vet to get medical attention ASAP.

Usually if a rabbit doesn't eat for more than 24 hours it means "end of rabbit". Rabbits have a very sensitive digestive system that needs constant feeding to keep its digestive bacterial population alive. You could try to coach the rabbit into eating with something like mint leaves, daffodil leafs. Our two rabbits also love oats stalks and young sunchoke leafs and young alfalfa.

Good luck
6 months ago
Raspberries need moist soil to grow well. I mulch with compost and leaves to maintain the soil moisture level. Because of the recent dry summers here in the Netherlands, I use a drip irrigation hose under the mulch.

Re: trellis
See the British Royal Horticultural Society site for some ideas:
6 months ago
The UK newspaper the Guardina, had a good article on this subject a few days ago. See
A short quote from it:

Should we panic?

No. The spread of the virus outside China is worrying but not an unexpected development. It increases the likelihood that the WHO will declare the outbreak to be a public health emergency of international concern. The key issues are how transmissible this new coronavirus is between people and what proportion become severely ill and end up in hospital. Often viruses that spread easily tend to have a milder impact.

Healthcare workers could be at risk if they unexpectedly came across someone with respiratory symptoms who had travelled to an affected region. Generally, the coronavirus appears to be hitting older people hardest, with few cases in children.

11 months ago
I recycle used potting soil/mix by using it as bedding for my worm bins (vermicomposting).
1 year ago