They believe that the humic materials are leached from decaying plant materials. 他們認為腐植物料是從腐爛的植物體浸瀝而來。
The anticlinal wall of a cell is perpendicular to the surface of the plant body. 細胞的垂周壁垂直於植物體的表面。
Further analysis of the structure as well as ancient preserved plant material found around it should help clarify the trackway's purpose. 進一步的分析結構以及古老的植物物質，發現周圍有些有助於闡明沼澤路形成的意義。
The caloric value of the plant material is then determined by combustion and compared to the amount of solar energy which fell on the plants. 植物物質的熱量值可通過燃燒來確定，並將其與照射到植物上的太陽能的量比較。
