Rocha, Ricardo Eiras Moreira da, Márcio Sampaio Pimentel, Valéria Cristina Palmeira Zago, Norma Gouvêa Rumjanek, and Helvécio De Polli. “Evaluation of Biosolid Fed by Municipal Waste-Water Sludge As a Fertilizer in Kale”. Pesquisa Agropecuaria Brasileira 38, no. 12 (December 1, 2003): 1435–1441. Accessed July 5, 2026. https://apct.sede.embrapa.br/pab/article/view/6721.