component	description
cut	All cuts from that year and site analysed as a composite sample.
cut1	The first harvest out of two of a grass/clover ley.
cut2	The second harvest out of two of a grass/clover ley.
crop	Used then the variable describe a property of the full crop (for example lodging).
forage	Above ground biomass harvested as forage.
seed	Seed of oil crop.
soil_0_20_cm	Topsoil, 0-20 cm depth. 
soil_40_60_cm	Subsoil, 40-60 cm depth.
grain	Seed of cerial crop.
straw	Straw of cereal crop, equivalent to aboveground biomass minus grain, chaff and stubble.
beet	The harvested underground part of a sugar beet.