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 |
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Leonard.Besemann@ndsu.edu |
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Mosaic Corn Study |
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K. Mann, W. Albus,
R. Dodds, L. Besemann and H. Eslinger |
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MATERIALS AND
METHODS |
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Soil: |
Maddock sandy loam; pH = 7.1; 2.4 percent organic matter; soil N 36
lbs/acre; soil P and soil K were very high; soil S was high. |
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Previous
crop: |
2012 - soybean. |
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Seedbed
preparation: |
Spring conventional tillage. |
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Planting: |
May 16, DeKalb DKC-49-29 in 30-inch rows. |
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Plots: |
Plots were 40 ft long by 15 ft (6 rows) wide. The study had four replications. |
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Fertilizer: |
Broadcast and incorporated
treatments (see treatments in table 1) May 14, May 15 and June 10, stream bar
60 lbs N/acre as 28-0-0 May 25 and sidedress N as 28‑0-0 June 24
to all treatments except # 1 to bring the total N applied to 180 lbs/acre. |
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Irrigation: |
Overhead sprinkler irrigation
as needed. |
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Pest
control: |
Outlook (18 oz/acre) May 31,
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 11. |
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Harvest: |
November 5 with a plot combine.
Harvest area was the center two rows, 37 feet long. |
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Table 1. Agronomic data for the Mosaic corn study at
the Oakes Irrigation Research Site in 2013. |
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24-Jun |
5-Aug |
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Harvest |
Test |
Silk |
Ear |
Tassel |
Grain |
Grain |
Grain |
Chlorophyll meter1 |
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V5.5L Plant Tissue Samples |
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R1 Ear Leaf Tissue Samples |
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Treatment |
Yield |
Moisture |
Weight |
Date |
Height |
Height |
Oil |
Protein |
Starch |
Reading |
Reading |
NDRE2 |
N |
P |
K |
S |
Zn |
N |
P |
K |
S |
Zn |
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bu/ac |
% |
lb/bu |
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inch |
inch |
% |
% |
% |
12-Jul |
6-Aug |
6-Aug |
% |
% |
% |
% |
ppm |
% |
% |
% |
% |
ppm |
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1 |
168.2 |
b |
22.4 |
a |
52.2 |
a |
8/1 |
a |
42.0 |
b |
94.8 |
b |
3.6 |
a |
8.5 |
b |
72.4 |
a |
26.2 |
b |
26.9 |
b |
0.304 |
b |
4.15 |
a |
0.58 |
a |
5.43 |
a |
0.24 |
a |
46.3 |
a |
2.03 |
b |
0.27 |
b |
2.16 |
a |
0.22 |
a |
23.8 |
a |
2 |
234.8 |
a |
22.2 |
a |
53.1 |
a |
7/30 |
b |
45.8 |
a |
102.3 |
a |
3.5 |
a |
9.3 |
a |
72.4 |
a |
40.3 |
a |
50.3 |
a |
0.361 |
a |
4.15 |
a |
0.61 |
a |
5.41 |
a |
0.24 |
a |
47.8 |
a |
2.65 |
a |
0.33 |
a |
2.26 |
a |
0.19 |
a |
24.3 |
a |
3 |
233.2 |
a |
22.4 |
a |
51.0 |
a |
7/29 |
b |
44.5 |
ab |
102.5 |
a |
3.9 |
a |
9.3 |
a |
71.7 |
a |
36.4 |
a |
48.2 |
a |
0.353 |
a |
4.15 |
a |
0.64 |
a |
5.67 |
a |
0.24 |
a |
46.5 |
a |
2.58 |
a |
0.34 |
a |
2.24 |
a |
0.20 |
a |
22.5 |
a |
4 |
235.9 |
a |
21.9 |
a |
51.6 |
a |
7/29 |
b |
44.8 |
ab |
102.0 |
a |
3.8 |
a |
9.4 |
a |
71.8 |
a |
37.9 |
a |
51.5 |
a |
0.357 |
a |
4.20 |
a |
0.63 |
a |
5.51 |
a |
0.24 |
a |
44.8 |
a |
2.85 |
a |
0.36 |
a |
2.20 |
a |
0.19 |
a |
23.3 |
a |
5 |
237.5 |
a |
22.4 |
a |
52.6 |
a |
7/29 |
b |
43.8 |
ab |
101.3 |
a |
3.5 |
a |
9.2 |
a |
72.4 |
a |
40.2 |
a |
50.5 |
a |
0.358 |
a |
4.23 |
a |
0.65 |
a |
5.48 |
a |
0.26 |
a |
47.5 |
a |
2.65 |
a |
0.35 |
a |
2.17 |
a |
0.20 |
a |
23.3 |
a |
6 |
233.9 |
a |
22.0 |
a |
52.0 |
a |
7/29 |
b |
44.3 |
ab |
102.0 |
a |
3.7 |
a |
9.1 |
a |
72.0 |
a |
38.8 |
a |
49.2 |
a |
0.361 |
a |
4.28 |
a |
0.61 |
a |
5.54 |
a |
0.24 |
a |
45.3 |
a |
2.70 |
a |
0.35 |
a |
2.28 |
a |
0.19 |
a |
21.3 |
a |
7 |
234.8 |
a |
22.1 |
a |
53.3 |
a |
7/29 |
b |
44.3 |
ab |
100.8 |
a |
3.5 |
a |
9.2 |
a |
72.4 |
a |
39.3 |
a |
49.4 |
a |
0.347 |
a |
4.18 |
a |
0.62 |
a |
5.27 |
a |
0.24 |
a |
46.5 |
a |
2.68 |
a |
0.35 |
a |
2.21 |
a |
0.20 |
a |
23.0 |
a |
8 |
233.0 |
a |
22.2 |
a |
51.8 |
a |
7/29 |
b |
45.0 |
a |
102.5 |
a |
3.6 |
a |
9.4 |
a |
72.1 |
a |
38.5 |
a |
48.6 |
a |
0.347 |
a |
4.23 |
a |
0.62 |
a |
5.56 |
a |
0.24 |
a |
45.3 |
a |
2.68 |
a |
0.35 |
a |
2.13 |
a |
0.19 |
a |
23.3 |
a |
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LSD (P = 0.05) |
12.2 |
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0.6 |
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1.8 |
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1.1 |
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1.9 |
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2.6 |
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0.3 |
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0.2 |
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0.6 |
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4.1 |
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4.6 |
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0.015 |
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0.18 |
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0.06 |
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0.43 |
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0.02 |
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3.86 |
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0.24 |
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0.03 |
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0.19 |
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0.03 |
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2.5 |
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C.V. (%) |
3.7 |
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1.9 |
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2.4 |
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0 |
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2.9 |
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1.7 |
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5.5 |
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1.7 |
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0.6 |
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7.5 |
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6.7 |
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2.8 |
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2.90 |
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6.30 |
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5.40 |
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6.00 |
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5.7 |
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6.40 |
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6.3 |
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6.00 |
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9 |
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7.2 |
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Planting Date =
May 16; Harvest Date = November 5; Previous Crop = Soybean |
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Means followed by
same letter are not significantly different (P = 0.05). |
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1 Opti-Science CCM 200. |
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2 Holland Crop Circle ACS active canopy sensor (normalized
difference red edge) - NDRE. |
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Table 2. Treatments for the Mosaic corn study at the
Oakes Irrigation |
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Research Site in 2013. |
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Treatment |
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N |
P2O5 |
K2O |
S |
Zn |
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--------------------------lb/ac------------------------ |
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1 |
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60 |
0 |
60 |
0 |
0 |
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2 |
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180 |
0 |
60 |
0 |
0 |
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3 |
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180 |
80 |
60 |
0 |
0 |
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4 |
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180 |
80 |
60 |
20 |
5 |
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5 |
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180 |
80 |
60 |
20 |
2 |
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6 |
Mes10 |
180 |
80 |
60 |
20 |
0 |
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7 |
Mesz |
180 |
80 |
60 |
20 |
2 |
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8 |
Mes15 |
180 |
80 |
60 |
20 |
0 |
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Oakes Irrigation
Research Site |
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Variety trials |
Crop
index |
Home
page |
Report
2013 |
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Other corn Studies
2013 |
|
Corn hybrid performance trial
irrigated |
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Corn hybrid performance trial
dryland |
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Fortix fungicide on field corn |
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KTS fertilizer-field corn |
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Stoller corn |
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Strip-tilled corn N rate corn corn
rotation |
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Strip-tilled corn N rate corn
soybean rotation |
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Stover removal corn/corn and
corn/soybean rotation |
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