Vertical distribution and storage of soil organic carbon and nitrogen in different poplar crop intercropping patterns

doi:10.3969/j.jssn.1000-2006.2010.02.029

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2010, Vol. 34 ›› Issue (02): 125-128.doi: 10.3969/j.jssn.1000-2006.2010.02.029

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Vertical distribution and storage of soil organic carbon and nitrogen in different poplar crop intercropping patterns

LI Hailing¹,², CHEN Lebei¹, FANG Shengzuo¹*

1.College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China; 2.College of City and Environment, Shanxi Normal University, Linfen 041004, China

Online:2010-05-14 Published:2010-05-14

Abstract

Abstract: The storages and vertical distribution of soil organic carbon and nitrogen under three poplar crop intercropping patterns were studied in northern Jiangsu. The results showed that the storages and contents in the profile generally decreased with the increase of soil depth under the three patterns, those in topsoil were relatively higher, declined rapidly down to 20 cm. The vertical distribution of soil organic carbon and nitrogen contents was different under three patterns. The soil organic carbon contents within 100 cm depth ranged from 0.64 to 15.27 g/kg, while the soil total N contents within 100 cm ranged from 0.30 to 2.09 g/kg. Soil organic carbon was significantly related with soil total N and C/N. Soil organic carbon storage was (71.19±0.72) t/hm2 in the K pattern, (40.67±0.58) t/hm2 in the P pattern and (42.64±056) t/hm2 in the W pattern respectively.

CLC Number:

S714

LI Hailing,, CHEN Lebei, FANG Shengzuo*. Vertical distribution and storage of soil organic carbon and nitrogen in different poplar crop intercropping patterns[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2010, 34(02): 125-128.

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Vertical distribution and storage of soil organic carbon and nitrogen in different poplar crop intercropping patterns

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