Table 3.
Treatment | REZn a) [%] | AEZn b) [kg grain increased kg−1 Zn applied) | PFPZn c) [kg grain kg−1 Zn applied] | HIZn d) [%] |
---|---|---|---|---|
Absolute control | – | – | – | 23.7B |
Prilled urea | – | – | – | 25.3A |
0.5% ZnCU (ZnSHH) | 2.73C | 148.7CD | 3524.8A | 25.4A |
0.5% ZnCU (ZnO) | 2.34E | 134.7F | 3510.6A | 25.3A |
1.0% ZnCU (ZnSHH) | 2.90AB | 166.1A | 1848.0B | 25.3A |
1.0% ZnCU (ZnO) | 2.66C | 159.0B | 1841.0B | 25.5A |
1.5% ZnCU (ZnSHH) | 2.98A | 153.3C | 1275.9C | 25.3A |
1.5% ZnCU (ZnO) | 2.71C | 146.2DE | 1268.9C | 25.5A |
2.0% ZnCU (ZnSHH) | 2.88AB | 141.6E | 984.1D | 25.4A |
2.0% ZnCU (ZnO) | 2.68C | 134.5F | 977.0DE | 25.3A |
2.5% ZnCU (ZnSHH) | 2.77BC | 120.4G | 794.6E | 25.0A |
2.5% ZnCU (ZnO) | 2.51D | 116.1G | 790.5E | 25.3A |
RE: Recovery efficiency
AE: Agronomic efficiency
PFP: Partial factor productivity
HI: Harvest index.