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O2
Oxygen
Oilseed rape
Crop with yellow flowers grown to produce cooking oil and animal feed
Old plant material
Residues from a previous crop
Organic
Farmyard manure
Output
This is the value(in £)of the production from an enterprise. Eg a cow gives 9000 litres of milk worth 15p per litre. Output is £1,350 of milk per cow per year.
