The AGtivist from Wicked Leeks
The AGtivist investigates the use of contaminated sewage sludge as fertiliser on UK farms The use of sewage sludge as farm fertiliser poses major environmental
Richard Higgins
27 February 2026
Contamination of Salad Crops – Salmonella
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BBC Farming Today exposes the scandal of contaminated salad crops in the UK.
Simple answer:
Don’t use raw manure to produce your salad crops or water that maybe contaminated by sewage outfalls.
We use pure water to irrigate our crops (rainwater) and fully composted manure (HH-2 system) QED.
Further reading
why WE don’t need to buy BIOSTIMULANTS or COVER CROPS
taken from the Wicked Leeks site The issue is that many biostimulants are increasingly being produced and sold by the globalised agrochemical companies who
Richard Higgins
21 February 2026
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