Research Article
Soil Parameter Mapping and Ad Hoc Power Analysis to Increase Blocking Efficiency Prior to Establishing a Long-Term Field Experiment
Table 1
Statistical summary for soil and weed parameters in the long-term reduced tillage experiment, Puyallup, WA, 2011.
| | Parameter | Description | Min | Median | Mean | Max | IQR | %RSD |
| | Organic matter | % via loss on ignition | 2.6 | 3.3 | 3.3 | 3.9 | 0.4 | 9.0 | | TTL | Total weeds, g kg−1 | 12.0 | 45.0 | 48.7 | 117.0 | 37.3 | 49.4 | | STEME | S. media, g kg−1 | 2.0 | 11.0 | 16.1 | 69.0 | 16.8 | 90.1 | | GRASS | Grass weeds, g kg−1 | 4.0 | 13.5 | 16.2 | 50.0 | 13.8 | 60.6 | | LAMAM | L. amplexicaule, g kg−1 | 0.0 | 1.0 | 3.0 | 23.0 | 4.0 | 144.0 | | MUST | Mustards, g kg−1 | 0.0 | 5.0 | 8.9 | 41.0 | 10.0 | 116.7 | | OTHER | Other weeds, g kg−1 | 0.0 | 4.0 | 4.5 | 23.0 | 5.0 | 100.2 | | BRDLF | Broadleaf weeds, g kg−1 | 4.0 | 29.5 | 32.5 | 77.0 | 26.8 | 57.3 |
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Min = minimum, Max = maximum, IQR = interquartile range, and %RSD = relative standard error.
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