March 25, 2024 Levi, E. M., S. R. Archer, H. L. Throop and C. Rasmussen. 2020. Soil-litter mixing promotes decomposition and soil aggregate formation on contrasting geomorphic surfaces in a shrub-invaded Sonoran Desert grassland. Plant and Soil. Home » Levi, E. M., S. R. Archer, H. L. Throop and C. Rasmussen. 2020. Soil-litter mixing promotes decomposition and soil aggregate formation on contrasting geomorphic surfaces in a shrub-invaded Sonoran Desert grassland. Plant and Soil.