网页The main plant is crabgrass and tail millet (soil salinity representative of plants) and other grass.主要植物是马唐和鼠尾粟 (盐碱土壤的代表植物)等茅草。. The first year's weeds on the Michigan plot are annual flowering plants, followed by tougher perennials like crabgrass and ragweed.密歇根土地上第一年的种子 ...