Chin J Plant Ecol ›› 2006, Vol. 30 ›› Issue (3): 457-464.DOI: 10.17521/cjpe.2006.0061
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ZHANG Zhi-Shan, CHEN Ying-Wu, ZHANG Jing-Guang, WANG Xin-Ping, ZHAO Jin-Long, CHEN Ying-Wu
Accepted:
2005-05-17
Published:
2006-05-30
ZHANG Zhi-Shan, CHEN Ying-Wu, ZHANG Jing-Guang, WANG Xin-Ping, ZHAO Jin-Long, CHEN Ying-Wu. ROOT GROWTH DYNAMICS OF CARAGANA KORSHINSKII USING MINIRHIZOTRONS[J]. Chin J Plant Ecol, 2006, 30(3): 457-464.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2006.0061
根长密度 Root length density (cm·cm-3) | 根重密度 Root weight density (mg·cm-3)) | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr.02 | May 16 | Jun.16 | Jul.16 | Aug.16 | Sept.16 | Oct.17 | Apr.02 | May 16 | Jun.16 | Jul.16 | Aug.16 | Sept.16 | Oct.17 | ||||||||
N20 | 0.45 | 0.86 | 0.56 | 0.09 | 0.53 | 0.57 | 0.22 | 0.19 | 0.40 | 0.52 | 0.09 | 0.28 | 0.33 | 0.17 | |||||||
N50 | 0.15 | 0.39 | 0.43 | 0.33 | 0.17 | 0.40 | 0.23 | 0.08 | 0.15 | 0.56 | 0.20 | 0.22 | 0.26 | 0.18 | |||||||
N100 | 0.13 | 0.30 | 0.35 | 0.30 | 0.17 | 0.37 | 0.22 | 0.12 | 0.16 | 0.31 | 0.21 | 0.10 | 0.22 | 0.25 | |||||||
平均Mean | 0.25 | 0.52 | 0.45 | 0.24 | 0.29 | 0.45 | 0.22 | 0.13 | 0.23 | 0.46 | 0.17 | 0.20 | 0.27 | 0.20 |
Table 1 The fine root length density and fine root weight density of 0-60 cm soil layer by soil corer
根长密度 Root length density (cm·cm-3) | 根重密度 Root weight density (mg·cm-3)) | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr.02 | May 16 | Jun.16 | Jul.16 | Aug.16 | Sept.16 | Oct.17 | Apr.02 | May 16 | Jun.16 | Jul.16 | Aug.16 | Sept.16 | Oct.17 | ||||||||
N20 | 0.45 | 0.86 | 0.56 | 0.09 | 0.53 | 0.57 | 0.22 | 0.19 | 0.40 | 0.52 | 0.09 | 0.28 | 0.33 | 0.17 | |||||||
N50 | 0.15 | 0.39 | 0.43 | 0.33 | 0.17 | 0.40 | 0.23 | 0.08 | 0.15 | 0.56 | 0.20 | 0.22 | 0.26 | 0.18 | |||||||
N100 | 0.13 | 0.30 | 0.35 | 0.30 | 0.17 | 0.37 | 0.22 | 0.12 | 0.16 | 0.31 | 0.21 | 0.10 | 0.22 | 0.25 | |||||||
平均Mean | 0.25 | 0.52 | 0.45 | 0.24 | 0.29 | 0.45 | 0.22 | 0.13 | 0.23 | 0.46 | 0.17 | 0.20 | 0.27 | 0.20 |
日期 Date | 粗根长 Coarse root length (m·m-2) | 根瘤数 Root nodule number (1 000 N·m-2) | 粗根重 Coarse root weight (g·m-2) | 根瘤重 Root nodule weight (g·m-2) |
---|---|---|---|---|
Apr.02 | 69.2 | 4.9 | 212.5 | 17.5 |
May 16 | 108.3 | 4.5 | 163.9 | 11.9 |
Jun.16 | 135.2 | 6.7 | 114.9 | 11.7 |
Jul.16 | 75.1 | 0.9 | 376.6 | 6.9 |
Aug.16 | 53.9 | 0.6 | 23.3 | 1.4 |
Sept.16 | 274.5 | 3.1 | 308.1 | 9.6 |
Oct.17 | 60.8 | 0.2 | 32.0 | 0.6 |
平均Mean | 129.1 | 3.0 | 180.0 | 8.5 |
Table 2 The coarse root length and root nodule by soil core
日期 Date | 粗根长 Coarse root length (m·m-2) | 根瘤数 Root nodule number (1 000 N·m-2) | 粗根重 Coarse root weight (g·m-2) | 根瘤重 Root nodule weight (g·m-2) |
---|---|---|---|---|
Apr.02 | 69.2 | 4.9 | 212.5 | 17.5 |
May 16 | 108.3 | 4.5 | 163.9 | 11.9 |
Jun.16 | 135.2 | 6.7 | 114.9 | 11.7 |
Jul.16 | 75.1 | 0.9 | 376.6 | 6.9 |
Aug.16 | 53.9 | 0.6 | 23.3 | 1.4 |
Sept.16 | 274.5 | 3.1 | 308.1 | 9.6 |
Oct.17 | 60.8 | 0.2 | 32.0 | 0.6 |
平均Mean | 129.1 | 3.0 | 180.0 | 8.5 |
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