Trampling becomes significant as the number of animals grazing per hectare increases. This is a very subjective value which is typically set equal to , i.e., the animals trample as much as they eat.

The name of the grazing operation is a primary key referenced when grazing operations are scheduled in management.sch or lum.dtl. All names in the graze.ops file must be unique.

This operation removes plant biomass at a specified rate and allows simultaneous application of manure.

The fertilizer name for manure deposited during grazing is a foreign key referencing in .