养分元素 Nutrient element | 针叶 Needle leaves | 阔叶 Broad leaves | 混叶 Mixed leaves | ||||||
150目 | 300目 | 减幅 | 150目 | 300目 | 减幅 | 150目 | 300目 | 减幅 | |
C | 36.1 ± 1.6B | 42.7 ± 2.7A | −18.2 | 34.3 ± 2.7B | 45.5 ± 0.1A | −32.6 | 26.1 ± 5.7B | 44.6 ± 6.9A | −70.8 |
N | 37.9 ± 4.6A | 27.9 ± 1.9B | 26.3 | 38.6 ± 3.5A | −8.1 ± 6.4B | 120 | 27.6 ± 9.5A | 4.1 ± 2.8B | 85.1 |
P | 52.7 ± 2.7A | 45.4 ± 4.3A | 13.8 | 62.6 ± 1.3A | 50.5 ± 1.1B | 19.3 | 48.1 ± 1.5A | 45.2 ± 2.7A | 6.1 |
失重率 | 43.5 ± 1.3A | 40.3 ± 3.7B | 7.3 | 43.9 ± 1.1A | 41.6 ± 1.4A | 5.2 | 31.9 ± 1.1A | 31.4 ± 2.1A | 1.6 |