South American average wheat yields are around 2 t/ha, African under 1 t/ha, and Egypt and Arabia up to 3.5 to 4 t/ha with irrigation.
sˈaʊθ ɐmˈɛɹɪkən ˈævɹɪdʒ wˈiːt jˈiːldz ɑːɹ ɚɹˈaʊnd tˈuː tˈiː slˈæʃ hˈɑː, ˈæfɹɪkən ˌʌndɚ wˈʌn tˈiː slˈæʃ hˈɑː, ænd ˈiːdʒɪpt ænd ɚɹˈeɪbiə ˌʌp tə θɹˈiː.fˈaɪv tə fˈoːɹ tˈiː slˈæʃ hˈɑː wɪð ˌɪɹɪɡˈeɪʃən.