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Alam, S.M., Syed Ishtiaq Haider, M.A.U., Syeda Sana Aamir, N.N.N. and Mahmood, I.A.  . Effect of farm yard manure and planting densities on growth, yield and quality of okra under natural farming. Horticultural Biotechnology Research. 5, ( ), 14-16. DOI:https://doi.org/https://doi.org/10.25081/hbr.2019.v5.5500.