Parvin, S., Islam, M., Mondal, M., Quddus, K. and Mahmud, A. 2015. Effect of spacing on P and Zn uptake of local T. Aman rice varieties in Khulna area. Bangladesh Agronomy Journal. 17, 1 (Jun. 2015), 81–88. DOI:https://doi.org/10.3329/baj.v17i1.23680.