SINGH, C. B.; VASHISHT, B B. Effect of date of sowing, irrigation, tillage and residue management on productivity of wheat in sub-tropical environment. Journal of Soil and Water Conservation, India, v. 18, n. 4, 2019. Disponível em: https://epubs.icar.org.in/index.php/JSWC/article/view/107595. Acesso em: 19 jun. 2026.