Nachtigall, Gilmar Ribeiro, Roberta Corrêa Nogueirol, and Luís Reynaldo Ferracciú Alleoni. “Forms of Copper in Vineyard Soils As Affected by PH and Poultry Litter Application”. Pesquisa Agropecuaria Brasileira 42, no. 3 (March 1, 2007): 427–434. Accessed July 5, 2026. https://apct.sede.embrapa.br/pab/article/view/7584.