523 Common Sunflower Global Seed 3,000.00 5,000.00 900.00 Roundup value Noted that the average yield of sunflower seed in the world is around 1.4 t/ha in Africa it is about 0.9 t/ha. Yields of 2-5 t/ha can be obtained. The mean value of 2950 kg/ha is rounded to 3000 kg/ha. 1,883