Page 10 - 《广西植物》2024年第7期
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1 2 1 0 广 西 植 物 44 卷
表 3 3 个单一树种凋落叶初始质量特征 (n = 3)
Table 3 Initial quality characteristics of leaf litter from three single tree species (n = 3)
初始物质含量及化学计量比 马尾松 香樟 香椿
Initial substance content and stoichiometric ratio Pinus massoniana Cinnamomum camphora Toona sinensis
 ̄1
全碳 Total carbon (gkg ) 452.71(6.27)A 420.77(6.32)B 378.95(2.42)C
 ̄1
全氮 Total nitrogen (gkg ) 6.07(0.41)C 8.22(0.47)B 11.46(0.40)A
 ̄1
全磷 Total phosphorus (gkg ) 0.92(0.02)B 1.11(0.07)B 1.41(0.06)A
 ̄1
木质素 Lignin (gkg ) 351.07(8.64)A 149.63(4.16)B 134.4(6.02)B
 ̄1
纤维素 Cellulose (gkg ) 136.46(12.72)A 144.72(5.81)A 99.19(3.51)B
 ̄1
总酚 Total phenol (gkg ) 54.17(2.10)A 14.82(0.30)C 29.05(0.44)B
 ̄1
缩合单宁 Condensed tannin (gkg ) 24.75(0.77)A 13.38(0.07)B 3.67(0.01)C
碳 / 氮 C / N 75.34(5.43)A 51.52(2.81)B 33.16(1.33)C
碳 / 磷 C / P 492.79(16.40)A 380.54(21.27)B 269.45(8.99)C
氮 / 磷 N / P 6.59(0.38)A 7.47(0.76)A 8.17(0.54)A
木质素 / N Lignin / N 58.24(2.86)A 18.38(1.52)B 11.76(0.67)B
木质素 / P Lignin / P 381.87(10.95)A 135.45(9.37)B 95.84(7.30)B
注: 表中数据为平均值(标准误)ꎻ不同大写字母表示不同树种之间的初始物质含量或初始化学计量比具有显著差异(P<0.05)ꎮ
下同ꎮ
Note: The data in the table is the average (standard error)ꎻ different capital letters indicate significant differences in the initial substance
content or initial stoichiometric ratio between different tree species (P<0.05). The same below.
表 4 混合树种凋落叶的初始质量特征 (n = 3)
Table 4 Initial quality characteristics of leaf litter from mixed species (n = 3)
全氮 全磷 缩合单宁
混合处理 全碳 木质素 纤维素 总酚
Total Total Condensed 碳 / 氮 木质素 / N 木质素 / P
Mixed Total carbon Lignin Cellulose Total phenol
 ̄1
 ̄1
 ̄1
 ̄1
treatment (gkg ) nitrogen  ̄1 phosphorus (gkg ) (gkg ) (gkg ) tannin  ̄1 C / N Lignin / N Lignin / P
 ̄1
(gkg ) (gkg ) (gkg )
437.96 7.15 1.02 307.74 129.01 49.15 20.54 61.43 43.11 302.29
PT82
(7.26)ABC (0.35)AB (0.03)BCD (9.2)A (15.28)A (2.26)A (0.87)ABC (3.07)ABC (0.93)ABC (4.35)ABC
430.58 7.68 1.07 286.07 125.28 46.63 18.43 56.08 37.23 268.10
PT73
(6.49)ABC (0.23)A (0.03)ABC (7.85)AB (13.93)A (1.91)ABC (0.76)CDE (1.72)ABC (0.16)CDEF (0.52)CDEF
423.2 8.22 1.12 264.40 121.55 44.12 16.32 51.47 32.15 236.96
PT64
(5.76)C (0.12)B (0.03)A (6.69 B (12.59)A (1.56)ABCD (0.66)E (0.83)C (0.36)F (2.50)G
446.32 6.5 0.96 310.78 138.11 46.30 22.48 69.29 48.13 324.62
PC82
(5.31)A (0.58)AB (0.03)D (9.70)A (13.46)A (2.45)AB (0.85)A (6.65)A (3.43)A (17.54)A
443.13 6.71 0.98 290.64 138.94 42.37 21.34 66.56 43.57 297.75
PC73
(3.53)AB (0.58)AB (0.03)CD (8.51)AB (11.27)A (2.20)ABCD (0.74)AB (6.21)AB (3.19)ABC (18.24)ABCD
439.93 6.93 1.00 270.50 139.77 38.43 20.21 64.01 39.30 271.95
PC64
(1.75)ABC (0.59)AB (0.04)BCD (7.41)B (9.18)A (1.94)D (0.63)ABC (5.81)AB (3.00)BCDE (18.56)CDEFG
442.14 6.82 0.99 309.26 133.56 47.73 21.51 65.13 45.47 313.00
PCT811
(6.28)AB (0.46)AB (0.02)CD (9.35)A (14.34)A (2.36)AB (0.86)AB (4.65)ABC (2.05)AB (10.41)AB
438.95 7.04 1.01 289.12 134.39 43.79 20.37 62.67 41.21 287.08
PCT721
(4.51)ABC (0.47)AB (0.02)BCD (8.06)AB (12.08)A (2.10)ABCD (0.75)ABC (4.37)ABC (1.97)ABCD (11.50)ABCDE
434.76 7.36 1.04 287.59 129.83 45.21 19.40 59.2 39.12 277.23
PCT712
(5.50)ABC (0.35)AB (0.02)ABCD (7.84)AB (12.98)A (2.00)ABCD (0.76)BCD (2.89)ABC (0.98)CDEF (5.64)BCDEF
435.75 7.25 1.03 268.97 135.21 39.86 19.23 60.36 37.21 262.17
PCT631
(2.74)ABC (0.47)AB (0.02)ABCD (6.83)B (9.89)A (1.85)CD (0.63)BCD (4.10)ABC (1.92)CDEF (12.27)DEFG
431.57 7.58 1.06 267.45 130.66 41.28 18.26 57.10 35.35 253.14
PCT622
(3.74)ABC (0.35)AB (0.01)ABC (6.49)B (10.71)A (1.75)BCD (0.64)CDE (2.73)ABC (1.03)DEF (6.82)EFG
427.39 7.90 1.09 265.93 126.11 42.70 17.29 54.15 33.67 244.76
PCT613
(4.75)BC (0.23)AB (0.02)AB (6.44)B (11.62)A (1.65)ABCD (0.65)DE (1.64)BC (0.31)EF (2.17)FG
注: 处理中缩写字母后面的数字表示不同树种凋落叶的质量比ꎮ
Note: The numbers behind letters of abbreviations for different tree species indicate the mass proportions of leaf litter of different tree
species.