Study on spatial-temporal change of soil organic carbon and impact factors in Gudao Forestry Farm of Dongying

Soil organic carbon (SOC) is one of the important properties to evaluate soil quality, which can indirectly reflect the effect of afforestation on saline-alkali land. In this study, 4 different forest types in Gudao Forestry Centre were selected as experimental plots, and bare land was set as blank...

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Bibliographic Details
Main Authors: Zhang, Shengnan, Liu, Zhanhong, Fang, Luo, Wu, Baolin, Li, Yurui, Ning, Yan
Format: Conference Proceeding
Language:English
Subjects:
Afforestation
Bulk density
Correlation
Field investigations
Forestry
Forests
Impact factors
Moisture content
Nutrient availability
Nutrients
Organic carbon
Organic farming
Organic soils
Soil density
Soil layers
Soil properties
Soils
Water content
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Summary:Soil organic carbon (SOC) is one of the important properties to evaluate soil quality, which can indirectly reflect the effect of afforestation on saline-alkali land. In this study, 4 different forest types in Gudao Forestry Centre were selected as experimental plots, and bare land was set as blank group. Spatial differentiation and impact factors of SOC between different forest types were studied by field investigation and laboratory experiment. The results show that (1) SOC content in the study area is lower than 1%. SOC content in forest land is higher than that in bare land. In the upper soil layer, the SOC content of Robinia Pseudoacacia forest is lower, and mixed forest is higher. SOC content of bare land is higher than that of forest land in the lower layer. (2) SOC has a significant positive correlation with available nutrients (P
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/201911803014