Crops | Number of studies | n | Minimum | Maximum | Treatment yield (mean ± SD) |
Barley | 14 | 151 | 805.6 | 9804 | 3111 ± 1539 |
Maize | 17 | 257 | 1494 | 10,900 | 5627.6 ± 2298 |
Sorghum | 12 | 136 | 386 | 5929.7 | 2997.5 ± 1025 |
Teff | 13 | 129 | 663.6 | 3680 | 1670.1 ± 640.6 |
Wheat | 26 | 341 | 1087.8 | 8161 | 3781.5 ± 1298.8 |
Overall | 82 | 1014 | 386 | 10,900 | 3775.8 ± 2006.4 |