Chin J Plant Ecol ›› 2013, Vol. 37 ›› Issue (10): 933-941.DOI: 10.3724/SP.J.1258.2013.00096
Special Issue: 生态化学计量
• Research Articles • Previous Articles Next Articles
LIU Yang(),ZHANG Jian(
),CHEN Ya-Mei,CHEN Lei,LIU Qiang
Received:
2013-04-09
Accepted:
2013-08-19
Online:
2013-04-09
Published:
2013-09-29
Contact:
LIU Yang,ZHANG Jian
LIU Yang,ZHANG Jian,CHEN Ya-Mei,CHEN Lei,LIU Qiang. Effect of nitrogen and phosphorus fertilization on biomass allocation and C:N:P stoichiometric characteristics of Eucalyptus grandis seedlings[J]. Chin J Plant Ecol, 2013, 37(10): 933-941.
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URL: https://www.plant-ecology.com/EN/10.3724/SP.J.1258.2013.00096
Fig. 1 Effects of nitrogen and phosphorus fertilization on biomass of Eucalyptus grandis seedlings and its allocation proportion (mean ± SD, n = 5). CK, control; N1, N2, N3, N4, add urea 200, 400, 600, 800 mg·kg-1, respectively; P1, P2, P3, P4, add calcium superphosphate 400, 800, 1200, 2400 mg·kg-1, respectively. Different lowercase letters indicate significant differences between biomass of the same organ under nitrogen or phosphorus treatment (p < 0.05); different upper- case letters indicate significant differences between the total biomass under nitrogen or phosphorus treatment (p < 0.05).
含量(mg·g-1) | 处理 Treatment | 根 Root | 茎 Stem | 叶 Leaf | 处理 Treatment | 根 Root | 茎 Stem | 叶 Leaf |
---|---|---|---|---|---|---|---|---|
C | CK | 397.44 ± 21.04a | 398.18 ± 11.77a | 413.25 ± 38.50a | CK | 397.44 ± 21.04a | 398.18 ± 11.77a | 413.25 ± 38.50a |
N1 | 406.53 ± 30.69a | 433.31 ± 24.94b | 436.24 ± 63.39a | P1 | 379.42 ± 27.87a | 452.33 ± 34.05b | 431.35 ± 40.03a | |
N2 | 421.02 ± 29.55a | 457.77 ± 19.91c | 428.51 ± 31.06a | P2 | 441.03 ± 112.54a | 429.97 ± 28.42bc | 440.84 ± 29.99a | |
N3 | 403.61 ± 18.73a | 439.95 ± 13.92bc | 433.50 ± 103.16a | P3 | 384.19 ± 26.31a | 420.58 ± 24.67ab | 439.00 ± 13.39a | |
N4 | 394.15 ± 14.97a | 451.81 ± 11.36b | 413.81 ± 13.56a | P4 | 418.64 ± 26.34a | 412.66 ± 44.00ac | 409.86 ± 47.27a | |
N | CK | 1.34 ± 0.34a | 5.48 ± 1.22a | 5.41 ± 2.41a | CK | 1.34 ± 0.34a | 5.48 ± 1.22a | 6.80 ± 0.59a |
N1 | 3.77 ± 0.79bd | 6.63 ± 0.71a | 7.48 ± 0.59a | P1 | 2.33 ± 0.86bc | 4.20 ± 1.03b | 8.78 ± 3.79a | |
N2 | 4.63 ± 1.15c | 7.33 ± 1.27a | 10.18 ± 1.95ab | P2 | 2.64 ± 1.10bc | 4.35 ± 0.86ab | 9.13 ± 2.46a | |
N3 | 3.74 ± 0.76bc | 8.74 ± 0.90ab | 16.64 ± 3.22b | P3 | 1.28 ± 0.48a | 3.93 ± 1.12ab | 6.99 ± 1.96a | |
N4 | 2.76 ± 0.80d | 10.01 ± 1.45b | 40.64 ± 6.41c | P4 | 2.15 ± 0.31c | 3.91 ± 1.40b | 6.79 ± 0.64a | |
P | CK | 0.615 ± 0.046a | 1.028 ± 0.255a | 0.956 ± 0.146a | CK | 0.615 ± 0.046a | 1.028 ± 0.255a | 0.956 ± 0.146a |
N1 | 0.499 ± 0.087b | 0.268 ± 0.099b | 0.629 ± 0.924b | P1 | 1.483 ± 0.221b | 2.782 ± 0.453b | 2.348 ± 0.202b | |
N2 | 0.480 ± 0.024b | 0.372 ± 0.075b | 0.800 ± 0.359b | P2 | 1.781 ± 0.128cd | 3.537 ± 0.344c | 2.794 ± 0.129bc | |
N3 | 0.456 ± 0.018b | 0.461 ± 0.036b | 0.566 ± 0.165b | P3 | 1.681 ± 0.180bc | 3.448 ± 0.852cd | 3.122 ± 0.899c | |
N4 | 0.849 ± 0.710b | 0.471 ± 0.039b | 0.597 ± 0.162b | P4 | 2.146 ± 0.681d | 4.142 ± 0.534d | 3.750 ± 0.331d |
Table 1 Content of C, N, P of Eucalyptus grandis seedings under nitrogen and phosphorus treatments (mean ± SD, n = 5)
含量(mg·g-1) | 处理 Treatment | 根 Root | 茎 Stem | 叶 Leaf | 处理 Treatment | 根 Root | 茎 Stem | 叶 Leaf |
---|---|---|---|---|---|---|---|---|
C | CK | 397.44 ± 21.04a | 398.18 ± 11.77a | 413.25 ± 38.50a | CK | 397.44 ± 21.04a | 398.18 ± 11.77a | 413.25 ± 38.50a |
N1 | 406.53 ± 30.69a | 433.31 ± 24.94b | 436.24 ± 63.39a | P1 | 379.42 ± 27.87a | 452.33 ± 34.05b | 431.35 ± 40.03a | |
N2 | 421.02 ± 29.55a | 457.77 ± 19.91c | 428.51 ± 31.06a | P2 | 441.03 ± 112.54a | 429.97 ± 28.42bc | 440.84 ± 29.99a | |
N3 | 403.61 ± 18.73a | 439.95 ± 13.92bc | 433.50 ± 103.16a | P3 | 384.19 ± 26.31a | 420.58 ± 24.67ab | 439.00 ± 13.39a | |
N4 | 394.15 ± 14.97a | 451.81 ± 11.36b | 413.81 ± 13.56a | P4 | 418.64 ± 26.34a | 412.66 ± 44.00ac | 409.86 ± 47.27a | |
N | CK | 1.34 ± 0.34a | 5.48 ± 1.22a | 5.41 ± 2.41a | CK | 1.34 ± 0.34a | 5.48 ± 1.22a | 6.80 ± 0.59a |
N1 | 3.77 ± 0.79bd | 6.63 ± 0.71a | 7.48 ± 0.59a | P1 | 2.33 ± 0.86bc | 4.20 ± 1.03b | 8.78 ± 3.79a | |
N2 | 4.63 ± 1.15c | 7.33 ± 1.27a | 10.18 ± 1.95ab | P2 | 2.64 ± 1.10bc | 4.35 ± 0.86ab | 9.13 ± 2.46a | |
N3 | 3.74 ± 0.76bc | 8.74 ± 0.90ab | 16.64 ± 3.22b | P3 | 1.28 ± 0.48a | 3.93 ± 1.12ab | 6.99 ± 1.96a | |
N4 | 2.76 ± 0.80d | 10.01 ± 1.45b | 40.64 ± 6.41c | P4 | 2.15 ± 0.31c | 3.91 ± 1.40b | 6.79 ± 0.64a | |
P | CK | 0.615 ± 0.046a | 1.028 ± 0.255a | 0.956 ± 0.146a | CK | 0.615 ± 0.046a | 1.028 ± 0.255a | 0.956 ± 0.146a |
N1 | 0.499 ± 0.087b | 0.268 ± 0.099b | 0.629 ± 0.924b | P1 | 1.483 ± 0.221b | 2.782 ± 0.453b | 2.348 ± 0.202b | |
N2 | 0.480 ± 0.024b | 0.372 ± 0.075b | 0.800 ± 0.359b | P2 | 1.781 ± 0.128cd | 3.537 ± 0.344c | 2.794 ± 0.129bc | |
N3 | 0.456 ± 0.018b | 0.461 ± 0.036b | 0.566 ± 0.165b | P3 | 1.681 ± 0.180bc | 3.448 ± 0.852cd | 3.122 ± 0.899c | |
N4 | 0.849 ± 0.710b | 0.471 ± 0.039b | 0.597 ± 0.162b | P4 | 2.146 ± 0.681d | 4.142 ± 0.534d | 3.750 ± 0.331d |
Fig. 2 C, N and P accumulation and distribution characteristics of each organ of Eucalyptus grandis seedlings with N or P fertilization. CK, control; N1, N2, N3, N4, add urea 200, 400, 600, 800 mg·kg-1, respectively; P1, P2, P3, P4, add calcium superphosphate 400, 800, 1200, 2400 mg·kg-1, respectively.
处理 Treatment | 施N利用效率 Use efficiency with nitrogen fertilization | 处理 Treatment | 施P利用效率 Use efficiency with phosphorus fertilization | ||
---|---|---|---|---|---|
NUEN | NUEP | NUEN | NUEP | ||
CK | 246 ± 36a | 1 237 ± 163a | CK | 246 ± 36a | 1 237 ± 163a |
N1 | 159 ± 8b | 1 889 ± 532b | P1 | 229 ± 25ab | 476 ± 52b |
N2 | 136 ± 16b | 1 959 ± 357b | P2 | 208 ± 16b | 384 ± 20b |
N3 | 94 ± 14c | 2 054 ± 214b | P3 | 272 ± 21c | 386 ± 63b |
N4 | 49 ± 8d | 1 768 ± 502b | P4 | 249 ± 33a | 303 ± 19b |
Table 2 Nitrogen and phosphorus use efficiency (NUEN, NUEP) of Eucalyptus grandis seedlings under nitrogen and phosphorus treatments (mean ± SD, n = 5)
处理 Treatment | 施N利用效率 Use efficiency with nitrogen fertilization | 处理 Treatment | 施P利用效率 Use efficiency with phosphorus fertilization | ||
---|---|---|---|---|---|
NUEN | NUEP | NUEN | NUEP | ||
CK | 246 ± 36a | 1 237 ± 163a | CK | 246 ± 36a | 1 237 ± 163a |
N1 | 159 ± 8b | 1 889 ± 532b | P1 | 229 ± 25ab | 476 ± 52b |
N2 | 136 ± 16b | 1 959 ± 357b | P2 | 208 ± 16b | 384 ± 20b |
N3 | 94 ± 14c | 2 054 ± 214b | P3 | 272 ± 21c | 386 ± 63b |
N4 | 49 ± 8d | 1 768 ± 502b | P4 | 249 ± 33a | 303 ± 19b |
处理Treatment | 根 Root | 茎 Stem | 叶片 Leaf | 处理Treatment | 根 Root | 茎 Stem | 叶片 Leaf | |
---|---|---|---|---|---|---|---|---|
C:N | CK | 247.61 ± 31.63a | 75.87 ± 18.15a | 57.92 ± 14.62a | CK | 317.96 ± 25.88a | 75.87 ± 18.15a | 57.99 ± 3.42a |
N1 | 110.37 ± 16.97bc | 10.80 ± 1.18b | 66.93 ± 3.20a | P1 | 200.39 ± 55.38b | 113.28 ± 30.61b | 57.02 ± 26.15a | |
N2 | 95.43 ± 23.93b | 28.40 ± 5.90c | 60.16 ± 12.04ab | P2 | 185.54 ± 69.12b | 101.11 ± 15.25ab | 51.39 ± 18.50a | |
N3 | 111.53 ± 24.30b | 55.69 ± 10.39c | 55.75 ± 3.34bc | P3 | 339.35 ± 47.94a | 112.84 ± 27.48ab | 70.14 ± 19.34a | |
N4 | 151.31 ± 39.26c | 83.65 ± 4.10a | 41.44 ± 1.88 c | P4 | 197.47 ± 30.48b | 115.11 ± 26.85b | 60.07 ± 8.29a | |
C:P | CK | 647.47 ± 46.50a | 372.74 ± 130.79a | 477.22 ± 104.73a | CK | 647.47 ± 46.50a | 412.11 ± 130.79a | 477.22 ± 104.73a |
N1 | 822.79 ± 115.55b | 1 237.54 ± 56.54b | 467.31 ± 187.04b | P1 | 258.59 ± 27.37b | 167.27 ± 37.32b | 188.25 ± 10.83b | |
N2 | 879.37 ± 102.03b | 1 158.83 ± 32.96b | 619.89 ± 193.61b | P2 | 221.69 ± 81.50b | 125.05 ± 16.38bc | 158.20 ± 13.37bc | |
N3 | 886.01 ± 69.76b | 956.96 ± 65.93c | 933.07 ± 252.70b | P3 | 232.30 ± 36.44b | 116.52 ± 39.83bc | 156.45 ± 39.51bc | |
N4 | 782.19 ± 58.50b | 961.80 ± 71.15c | 796.55 ± 277.98b | P4 | 221.50 ± 66.60b | 100.62 ± 14.06c | 118.50 ± 19.72c | |
N:P | CK | 2.21 ± 0.68a | 5.09 ± 1.23a | 7.91 ± 2.01a | CK | 2.21 ± 0.68a | 5.60 ± 1.88a | 7.91 ± 2.01a |
N1 | 7.54 ± 0.60b | 16.43 ± 2.08b | 9.71 ± 1.25ab | P1 | 1.52 ± 0.55b | 1.58 ± 0.64b | 3.84 ± 1.95b | |
N2 | 9.70 ± 2.63c | 16.42 ± 3.02b | 10.52 ± 1.26b | P2 | 1.49 ± 0.61bc | 1.24 ± 0.29b | 3.26 ± 0.82bc | |
N3 | 8.22 ± 1.68c | 14.61 ± 1.12b | 13.69 ± 2.43c | P3 | 0.77 ± 0.31c | 1.17 ± 0.27b | 2.28 ± 0.50bc | |
N4 | 4.57 ± 2.70bd | 16.62 ± 3.07b | 15.58 ± 1.45c | P4 | 1.10 ± 0.43bc | 0.95 ± 0.34b | 1.98 ± 0.35c |
Table 3 C:N, C:P, N:P of Eucalyptus grandis seedlings under nitrogen and phosphorus treatments (mean ± SD, n = 5)
处理Treatment | 根 Root | 茎 Stem | 叶片 Leaf | 处理Treatment | 根 Root | 茎 Stem | 叶片 Leaf | |
---|---|---|---|---|---|---|---|---|
C:N | CK | 247.61 ± 31.63a | 75.87 ± 18.15a | 57.92 ± 14.62a | CK | 317.96 ± 25.88a | 75.87 ± 18.15a | 57.99 ± 3.42a |
N1 | 110.37 ± 16.97bc | 10.80 ± 1.18b | 66.93 ± 3.20a | P1 | 200.39 ± 55.38b | 113.28 ± 30.61b | 57.02 ± 26.15a | |
N2 | 95.43 ± 23.93b | 28.40 ± 5.90c | 60.16 ± 12.04ab | P2 | 185.54 ± 69.12b | 101.11 ± 15.25ab | 51.39 ± 18.50a | |
N3 | 111.53 ± 24.30b | 55.69 ± 10.39c | 55.75 ± 3.34bc | P3 | 339.35 ± 47.94a | 112.84 ± 27.48ab | 70.14 ± 19.34a | |
N4 | 151.31 ± 39.26c | 83.65 ± 4.10a | 41.44 ± 1.88 c | P4 | 197.47 ± 30.48b | 115.11 ± 26.85b | 60.07 ± 8.29a | |
C:P | CK | 647.47 ± 46.50a | 372.74 ± 130.79a | 477.22 ± 104.73a | CK | 647.47 ± 46.50a | 412.11 ± 130.79a | 477.22 ± 104.73a |
N1 | 822.79 ± 115.55b | 1 237.54 ± 56.54b | 467.31 ± 187.04b | P1 | 258.59 ± 27.37b | 167.27 ± 37.32b | 188.25 ± 10.83b | |
N2 | 879.37 ± 102.03b | 1 158.83 ± 32.96b | 619.89 ± 193.61b | P2 | 221.69 ± 81.50b | 125.05 ± 16.38bc | 158.20 ± 13.37bc | |
N3 | 886.01 ± 69.76b | 956.96 ± 65.93c | 933.07 ± 252.70b | P3 | 232.30 ± 36.44b | 116.52 ± 39.83bc | 156.45 ± 39.51bc | |
N4 | 782.19 ± 58.50b | 961.80 ± 71.15c | 796.55 ± 277.98b | P4 | 221.50 ± 66.60b | 100.62 ± 14.06c | 118.50 ± 19.72c | |
N:P | CK | 2.21 ± 0.68a | 5.09 ± 1.23a | 7.91 ± 2.01a | CK | 2.21 ± 0.68a | 5.60 ± 1.88a | 7.91 ± 2.01a |
N1 | 7.54 ± 0.60b | 16.43 ± 2.08b | 9.71 ± 1.25ab | P1 | 1.52 ± 0.55b | 1.58 ± 0.64b | 3.84 ± 1.95b | |
N2 | 9.70 ± 2.63c | 16.42 ± 3.02b | 10.52 ± 1.26b | P2 | 1.49 ± 0.61bc | 1.24 ± 0.29b | 3.26 ± 0.82bc | |
N3 | 8.22 ± 1.68c | 14.61 ± 1.12b | 13.69 ± 2.43c | P3 | 0.77 ± 0.31c | 1.17 ± 0.27b | 2.28 ± 0.50bc | |
N4 | 4.57 ± 2.70bd | 16.62 ± 3.07b | 15.58 ± 1.45c | P4 | 1.10 ± 0.43bc | 0.95 ± 0.34b | 1.98 ± 0.35c |
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