
On the way to 500 kgs per ton? (Iso-growing method, Nusselder in Hernen, The Netherlands).
Optimising air movement worthwhile.
‘A hobby gone wild’ (Jan Haasjes in Parana, Brazil).
My Farm: Rob Leenders in Mariahout (NL).
High ntirogen values; rich compost or just an illusion?
Guest column Leo van Griensven.