Knowing yield can help you make informed management decisions. You can estimate potential yield from past history of the field, neighboring fields of similar type, averages for specific forages, and from soils information.
Late summer and fall are critical times for proper pasture management. Check out this fact sheet and begin to understand plant and root growth in the Fall.
Forage quality of common pasture weeds was determined through laboratory testing to compare feed value of weeds to desirable forage species and nutrient requirements for grazing livestock.