SINGH, V.K.; ALAM, S.M; SINHA, A.K. Investigation on the Effect of Different Tillage Machineries on the Physical Properties of Soil and Yield of Upland Paddy. Journal of Soil and Water Conservation, India, v. 28, 2022. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/128028. Acesso em: 3 jul. 2026.