Abstract

Agricultural turfy soil compressibility index significantly influences sedimentation characteristics. Influences of plant roots, plant fibers and organic matter content (excluding plant roots and plant fibers) on the compressibility index mechanism are different. In this study, some related experiments were designed to determine the difference in influences among plant roots, plant fiber and organic matter content on agricultural turfy soil compressibility index. Test results showed that decomposition degree (F) was negatively correlated with compression coefficient a1-2, compression index Cc and swelling index Cs. By contrast, organic matter content (Sh) was positively correlated with compression coefficient a1-2 and compression index Cc but no obvious correlation with swelling index Cs.

Keywords:

Agricultural turfy soil, decomposition degree, plant roots,

References