From: Root biomass and soil carbon response to growing perennial grasses for bioenergy
Treatments | Total nitrogen (Mg ha−1) | |||||
---|---|---|---|---|---|---|
Depths (cm) | ||||||
0–10 | 10–20 | 20–40 | 40–60 | 60–80 | 80–100 | |
Grass mixture 1 | 3.03 ns | 2.67 | 2.01 | 1.56 | 1.02 | 1.6 |
Grass mixture 2 | 2.41 | 2.11 | 1.85 | 1.41 | 1.05 | 0.84 |
Shawnee | 2.64 | 2.46 | 1.93 | 1.21 | 1.15 | 0.75 |
Kanlow N1 | 2.63 | 2.48 | 2.25 | 1.45 | 1.16 | 1.27 |
Miscanthus (Mxg) | 2.63 | 1.95 | 1.99 | 1.41 | 1.03 | 0.81 |
Chief | 2.49 | 2.6 | 2.09 | 1.77 | 1.23 | 1.55 |
LSD 0.05 | 0.58 | 0.69 | 0.52 | 0.47 | 0.49 | 0.89 |