In the present study, the amount of Cenchrus pauciflorus Benth seeds in the soils of natural grassland and farmland was measured.The effects of fertilization, irrigation, plant-mowing and using replacement plant species on C. pauciflorus were analyzed. From seeds of pasture and dry farmland soils, a total number of 25 plant species were identified, which fell into 24 genera of 12 families. The number of seeds of C. pauciflorus per square meter reached 12 923 in natural pasture soils and 8 960 in dry farming...