Research Article
Suppression of Bromus tectorum L. by Established Perennial Grasses: Potential Mechanisms—Part One
Table 6
Selected soil nutrient measurements following the 5th harvest.
| Depth (cm) | B. tectorum without competition | B. tectorum in competition | Perennial grasses | ANOVA |
| | Mineral nitrogen (mmol kg−1) | Plant | 0–30 | 0.97AB | 0.90AB | 0.27B | Depth | 30–60 | 0.90AB | 1.31A | 1.33A | Inter. |
| |
Mole % in mineral nitrogen pool | Plant | 0–30 | 34B | 59A | 65A | Depth | 30–60 | 16B | 23B | 18B | Inter. |
| |
Soil solution phosphorus (mol L−1) | Plant | 0–30 | 9.2 | 9.3 | 7.7 | Depth | 30–60 | 3.7 | 4.2 | 3.8 | Inter. |
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