Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700, E-mail: Blaine.Schatz@ndsu.edu
Leonard.Besemann@ndsu.edu
Fortix Corn Study
W. Albus, R. Dodds, L. Besemann and H. Eslinger
MATERIALS AND METHODS
Soil: Embden loam and Maddock sandy loam; soil N 52 lbs N/acre.
Previous crops: 2012 – onion and sugar beet.
Seedbed preparation: Spring conventional tillage.  
Planting: May 25, Wensman W7268VT3PRIB in 30-inch rows.
Plots: Plots were 40 ft long by 15 ft (6 rows) wide.  The study had four replications.
Fertilizer: Broadcast 34 lbs N/acre, 81 lbs P2O5/acre, 103 lbs K2O/acre, 19 lbs S/acre May 1, stream bar 60 lbs N/acre May 31 and sidedress 180 lbs N/acre as 28-0-0 June 24.
Irrigation: Overhead sprinkler irrigation as needed.
Pest control: Harness (2 pt/acre) May 26, Laudis (3 oz/acre) + Roundup Power Max (40 oz/acre) + AAtrex 9-0 (0.5 lb ai/acre) + Destiny (0.05 %v/v) + AMS (1½ lb/acre) June 13.  Fortix treatments       (5 oz/acre) applied on June 26 and July 3.
Harvest: November 5 with a plot combine.  Harvest area was the center two rows, 37 feet long.
Table 1.  Agronomic data for the Fortix corn study at the Oakes Irrigation Research Site in 2013.
Chorophyll
Fortix Harvest Test Meter  Silk Grain
Treatment Yield1 Moisture Weight Reading Date Oil Protein Starch
oz/ac bu/ac % lb/bu 16-Sep % % %
check 248.7 a2 22.9 a 51.2 a 47.5 a 7/30 a 4.0 a 9.4 a 71.9 a
5 oz 251.5 a 22.5 a 52.0 a 50.5 a 7/30 a 3.8 a 8.8 b 72.1 a
                                 
LSD (P = 0.05) 9.9 0.7 1.7 4.6 0.7 0.5 0.8
C.V. (%) 3.1 2.5 2.5 7.2 14.3 4.0 0.9
Grand Mean 250.1   22.7   51.6   49.0   7/30   3.9   9.1   72.0  
Planting Date = May 25; Harvest Date = November 5; Previous Crop = Onion/sugar beet
1Yield adjusted to 15.5% Moisture.
2 Means followed by same letter are not significantly different (P = 0.05).
Oakes Irrigation Research Site
Variety trials Crop index Home page Report 2013
Other corn Studies 2013
Corn hybrid performance trial irrigated
Corn hybrid performance trial dryland
KTS fertilizer-field corn
Mosaic fertilizer-field corn
Stoller corn
Strip-tilled corn N rate corn corn rotation
Strip-tilled corn N rate corn soybean rotation
Stover removal corn/corn and corn/soybean rotation