Bellé, Soeni, and Atelene Normann Kampf. “Use of Carbonized Rice Hulls As a Horticultural Amendment for an Organic Soil”. Pesquisa Agropecuaria Brasileira 29, no. 8 (August 1, 1994): 1265–1271. Accessed July 8, 2026. https://apct.sede.embrapa.br/pab/article/view/4173.