Table 1.
Background information and cultural practices for the five foliar micronutrient experimental locations.
| Year | Treatment | Coordinates | Avg Rainfall † (mm) | GDD ‡ (Season) | Till § | Irrigation (Y/N) | Environmental Factors | Hybrid | Planting Date | Harvesting Date | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lattitude | Longitude | ||||||||||
| 2014 | Boron | 41.83 | −96.49 | 646 | 3187 | CT | Y | - | Croplan 6274 | 25 April | 8 Nov. |
| 2014 | Manganese | 42.17 | −97.08 | 630 | 3432 | CT | Y | Standing water at 7/6 (V12) (2 weeks standing water) |
GH G14R38 |
7 May | 7 Nov. |
| 2014 | Zinc | 42.15 | −97.05 | 608 | 3138 | NT | N | Hail 7/6 (V9) (5–10% yield reduction) |
Pioneer 1625 | 20 May | 18 Nov. |
| 2014 | Iron & Zinc | 41.97 | −97.74 | 608 | 3138 | NT | N | Hail 7/6 (V9) (5–10% yield reduction) |
Pioneer 1625 | 20 May | 9 Nov. |
| 2015 | Iron | 40.55 | −101.69 | 463 | 3374 | CT | Y | - | Pioneer 1151 | 25 April | 20 Nov. |
† Observed and average (2005–2014) rainfall during growing season (from April-October). ‡ GDD (Growing Degree Days); observed during the growing season (from April-October) (GDD = Daily avaerage tempearture −10 °C [Base temperature for maize]) [25]. § Till = tillage system including conventional tillage consisting of disk or chisel plow tillage (CT) or no-till (NT).