| V (1–18) | Vegetative growth stage |
| VT | Tasseling stage |
| R (1–6) | Reproductive growth stage |
| RCBD | Randomized Complete Block Design |
| ANOVA | Analysis of Variance |
| ANR | Apparent Nutrient Recovery |
| T | Time of foliar application (1: early (V6–11), 2: middle (V15–18), 3: 4: late (R1–4)) |
| R | Treatment rate (rate 1: lower level of industry recommendation & rate 2: upper level of industry recommendation) |
| p-value | Probability |