TOOR, G. S.; SHOBER, A. L. Soils & Fertilizers for Master Gardeners: Soil Organic Matter and Organic Amendments. EDIS, [S. l.], v. 2009, n. 1, 2009. Disponível em: https://ojs.test.flvc.org/edis/article/view/117545. Acesso em: 30 jun. 2024.