280 Meadow Foxtail Canada Whole 4,100.00 6,700.00 1,400.00 Roundup value The minimum value of 1410 kg/ha is rounded to 1400 kg/ha. The maximum value of 6657 kg/ha is rounded to 6700 kg/ha. The mean value of 4050 kg/ha is rounded to 4100 kg/ha. The website mentioned that the yield value is based on fertilization studies in Canada over four years. 1,621