Microbial nitrification, denitrification and respiration in the leached cinnamon soil of the upper basin of Miyun Reservoir. Wen Xua, Yan-Peng Caia,b,c*, Zhi-Feng ...
Microbial nitrification, denitrification and respiration in the leached cinnamon soil of the upper basin of Miyun Reservoir
Wen Xua, Yan-Peng Caia,b,c*, Zhi-Feng Yanga,b, Xin-An Yina,b, Qian Tan c
a. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China, 100875; b. Beijing Engineering Research Center for Watershed Environmental Restoration & Integrated Ecological Regulation, School of Environment, Beijing Normal University, Beijing, China, 100875; c. Institute for Energy, Environment, and Sustainable Communities, University of Regina, Research Drive, Regina, Saskatchewan S4S 7H9, Canada.
*Corresponding author: State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China, 100875; Email address: yanpeng.cai@ bnu.edu.cn, Tel.: +86 10 58800830, Fax.: +86 10 58802795
Supplementary Figure S1. Relationships between some physical/chemical characters and the nitrification, denitrification and respiration rates
Supplementary Figure S2. Regression analysis between denitrfication rate and the sum of nitrification and denitrification rates
Supplementary Figure S3. Relationship between the content of total nitrogen and total carbon in the leached cinnamon soil samples
Supplementary Table S1. The pH values, soil water contents, soil organic matter contents, C/N ratios, NH4+ and NO3- contents of the soil samples Sample number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Sampling field
pH
Vegetable garden Vegetable garden Corn field Corn field Corn field Corn field Corn field Apple orchard Chestnut forest Chestnut forest Chestnut forest Chestnut forest Chestnut forest Chestnut forest Walnut forest Walnut forest Poplar forest Poplar forest
8.28 8.34 7.71 7.27 7.30 7.36 7.49 7.62 6.97 5.86 5.01 6.33 5.29 6.47 5.16 7.16 8.17 6.13
Soil water content (%) 14.65 15.66 15.44 11.28 13.74 13.36 12.51 17.81 17.84 10.32 12.69 11.15 11.65 14.97 7.68 9.52 10.64 7.14
Soil organic matter (g/kg) 13.77 15.60 13.83 9.27 11.71 11.24 8.31 14.74 13.46 10.79 5.15 9.49 11.44 6.41 13.62 16.92 10.98 5.75
C/N ratio 8.90 8.94 8.55 7.54 7.33 6.74 6.51 11.23 8.90 9.82 5.66 7.63 6.81 6.46 5.44 7.56 8.80 6.06
NH4+ NO3(mg/kg) (mg/kg) 3.30 27.90 4.15 57.21 4.02 51.02 3.17 17.06 4.03 44.97 3.99 69.19 4.04 70.07 3.63 22.08 3.69 24.05 3.20 17.66 3.41 31.06 3.40 36.12 4.09 61.78 3.41 23.42 3.06 31.76 4.04 65.89 3.97 9.37 3.06 8.24
