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
Podcast with Richard Vobes
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How do we replenish depleted soil from intensive farming to a wholesome state so that we can grow healthy food? How to avoid pollution of our rivers? Richard Higgins, chairman of Good Gardeners International Charity, joined Richard Vobes to explain the impressive Howard-Higgins Organic Cultivation system. It will blow your mind…
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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