component	description
tops	Aboveground leafy portion of beets and turnips.
forage	Whole aboveground crop where harvested as green biomass for animal feed (i.e. forage).
grain	Seed of crop. 
org_amendment	Property of the amendment added to soil
roots	Belowground portion of root crops (beets and turnips)
soil_0_15_cm	Topsoil, 0-15cm depth
soil_0_20_cm	Topsoil, 0-20cm depth
soil_15_20_cm	Subsoil, 15-20cm depth
soil_20_25_cm	Subsoil, 20-25cm depth
soil_25_30_cm	Subsoil, 25-30cm depth
straw	Straw+chaff of cereal crop, equivalent to aboveground biomass minus grain.