Sá, Marcos Aurélio Carolino de, João de Deus Gomes dos Santos Junior, Dimas Vital Siqueira Resck, Eloisa Aparecida Belleza Ferreira, and Claudio Alberto Bento Franz. “A Dynamic Minipenetrometer for Assessment of Soil Mechanical Resistance in Undisturbed Soil Samples”. Pesquisa Agropecuaria Brasileira 42, no. 11 (November 1, 2007): 1659–1662. Accessed March 25, 2026. https://apct.sede.embrapa.br/pab/article/view/7745.