To maintain adequate soil organic matter, bareroot nurseries may add organic amendments,
grow and incorporate cover crops between seedling production cycles, or both. We
examined the influence of amendment of nursery soils with organic materials on both soil
properties and biomass production of a sorghum (Sorghum spp.) cover crop. Level of
organic matter, pH, cation exchange capacity, and concentrations of P, K, Ca, and Mg were
all significantly influenced by application of chicken manure, sawdust, compost, or leaves …