Firoz, Z., Nasiruddin, K. and Mondal, M. 2012. Effect of Different Hedgerow Species and Nitrogen Level on the Soil Properties and Yield of Okra (Abelmoschus esculentus L. Moench). Bangladesh Journal of Agricultural Research. 37, 1 (Jul. 2012), 159–169. DOI:https://doi.org/10.3329/bjar.v37i1.11190.