Table 1 Nutrient change rates in stems and leaves of L. chinensis and C. squarrosa
Elements | L. chinensis | C. squarrosa | ||||||
|---|---|---|---|---|---|---|---|---|
Moderate grazing | Heavy grazing | Moderate grazing | Heavy grazing | |||||
Stem | Leaf | Stem | Leaf | Stem | Leaf | Stem | Leaf | |
C | -0.3 | -1.8% | -0.9 | -2.5% | -2.0% | -0.2% | -2.2% | -0.9% |
N | 28.6% | 45.5% | 44.1% | 108.1% | 39.8% | 30.2% | 46.6% | 40.4% |
P | 34.8% | 33.2% | 54.8% | 157.9% | 9.7% | 34.4% | 33.6% | 55.1% |
Cu | 131.1% | 71.6% | 99.6% | 180.5% | -11.3% | 42.2% | 45.0% | 178.5% |
Fe | 142.3% | 232.2% | 246.2% | 242.4% | 165.5% | 214.6% | 413.8% | 495.1% |
Mn | -24.2% | 76.1% | 32.1% | 126.8% | 22.0% | 93.5% | 72.7% | 164.7% |
Zn | 23.3% | 20.5% | 34.5% | 40.3% | 69.5% | 208.1% | 129.1% | 387.4% |