TIWARI, R C; THAKUR, T C; VERMA, M L. Laboratory examination of probe type injectors for ammonia (urea) treatment of baled wheat straw. Journal of Agricultural Engineering, India, v. 38, n. 1, 2001. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/14132. Acesso em: 30 jun. 2026.