KUMAR, ANIL; THAKUR, K S. Effect of intercropping in-situ green manures and fertility levels on productivity and soil nitrogen balance in maize (Zea mays)–gobhi sarson (Brassica napus) cropping system*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 79, n. 9, 2011. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/2506. Acesso em: 16 jun. 2026.