野外农田系统中聚乙烯微塑料对土壤⁃小麦系统的影响
马文倩, 许美玲, 郭红岩

Effect of polyethylene microplastic on soil⁃wheat system in field
Wenqian Ma, Meiling Xu, Hongyan Guo
表1 空白(CK)、147 mg·kg-1微塑料(L)和782 mg·kg-1微塑料(H)处理对土壤化学性质的影响(0~15 cm)
Table 1 Soil chemical properties (0~15 cm) in the CK (control),L (147 mg·kg-1 microplastic) and H (782 mg·kg-1 microplastic) treatment
处理pHCEC (cmol·kg-1)有机质 (g·kg-1)全氮 (g·kg-1)全磷 (g·kg-1)有效磷(mg·kg-1
CK6.75±0.12 a49.69±0.19 a27.30±4.87 a0.68±0.11 a1.03±0.07 a34.53±1.23 a
L6.63±0.15 a48.41±0.20 b18.05±0.58 b0.54±0.04 a0.87±0.09 b26.75±0.20 b
H6.77±0.02 a45.94±4.74 ab17.54±0.66 b0.54±0.07 a0.82±0.06 b21.39±0.38 c