Characteristics and Driving Mechanism of Soil Organic Carbon Content in Farmland of Beijing Plain: Implication for the Fate of Engineered Polymers in Soil
Table 2
The soil organic carbon content of variant soil textures in different years.
Soil texture types
SOC/g⋅kg−1
Amplitude/%
2010
2011
2012
2013
2014
2015
Middle loam
10.44±3.82b
12.77±4.81a
12.21±7.45a
13.84±4.92a
14.34±7.53a
14.75±7.28a
8.26
Light loam
11.15±3.92a
11.40±3.16a
10.89±3.68b
11.55±4.02a
11.67±3.28a
12.48±5.65b
2.39
Sandy loam
10.56±5.20b
9.44±3.53b
9.50±5.78c
10.76±6.31b
10.07±4.54b
10.36±3.54c
-0.39
Sand
8.44±2.78b
8.32±2.65b
7.77±2.99c
8.07±3.46b
10.43±4.66b
9.58±5.39c
2.70
Note: values with same letter in the same year indicates that the SOC of different soil texture is not significantly different with time (p>0.05).