Enhanced Efficiency Liquid Nitrogen Fertilizer Management for Corn Production
Table 3
The ANOVA table for chlorophyll meter readings, plant population, yield, moisture, test weight, starch, protein, and oil concentration for nitrogen treatments at 84 and 168 kg·N·ha−1.
Source of variation
df
Chlorophyll meter readings
Population
Yield
Moisture
Test weight
Protein
Oil
Pr > F
Pr > F
Pr > F
Pr > F
Pr > F
Pr > F
Pr > F
N application rate = 84 kg·N·ha−1
Year†
2
<0.0001‡
<0.0001
<0.0001
0.0604
0.3102
<0.0001
<0.0001
Timing
1
0.5156
<0.0001
0.0005
0.1431
0.4947
0.8297
0.676
Year × timing
2
0.748
<0.0001
<0.0001
0.0053
0.4133
0.0312
0.6729
SorcPlac†
4
<0.0001
<0.0001
0.0056
0.0023
0.4348
<0.0001
0.3492
Year × SorcPlac
8
0.0053
<0.0001
0.445
0.0031
0.228
<0.0001
0.9257
SorcPlac × timing
4
0.6319
0.0187
0.0022
0.0018†
0.8582
0.325
0.5522
Year × SorcPlac × timing
8
0.0285
0.0698
0.0046
0.4078
0.2404
0.1042
0.2024
N application rate = 168 kg·N·ha−1
Year
2
<0.0001‡
<0.0001
<0.0001
<0.0001
0.0311
<0.0001
<0.0001
Timing
1
0.3242
<0.0001
0.0009
0.4513
0.1823
0.3167
0.0356
Year × timing
2
0.1093
<0.0001
<0.0001
0.1353
0.5255
0.1334
0.2038
SorcPlac†
4
0.0028
<0.0001
0.1721
<0.0001
0.2391
<0.0001
0.0132
Year × SorcPlac
8
0.0054
<0.0001
0.0327
0.1372
0.3354
<0.0001
0.1423
SorcPlac × timing
4
0.0809
0.0029
0.0873
0.3683
0.4364
0.1826
0.2722
Year × SorcPlac × timing
8
0.4748
0.1815
0.0231
0.3078
0.4866
0.1145
0.6455
†Abbreviations: SorcPlac, source/placement. ‡Numbers in bold represent Fisher’s protected least significant difference at .
