SINGH, M K; PASHUPALAK, S; PAL, S K; THAKUR, R; VERMA, U N. Effect of fertilizer and plant-density management on productivity and economics of maize (Zea mays) + blackgram (Phaseolus mungo) intercropping. The Indian Journal of Agricultural Sciences, Delhi, India, v. 65, n. 11, 2012. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/19111. Acesso em: 29 oct. 2025.