487 Purple Vetch Global Whole 30,300.00 33,600.00 26,900.00 Roundup value The yield is based on green matter yield. The minimum yield of 12 t/acre is converted to 26900 kg/ha. The maximum yield of 15 t/acre is converted to 33626 kg/ha (rounded to 33600 kg/ha). The mean value of 30250 kg/ha is rounded to 30300 kg/ha. 1,876