Citation | Ahmad, F., N. Khan, F.S. Hamid, A. Waheed, M.A. Khan, I. Ahmad, S. Islam, B.H. Shah, S. Aslam and Q. Zaman. 2019. Pakistan Journal of Agricultural Research, 34(3): 405-416. DOI | https://dx.doi.org/10.17582/journal.pjar/2017/34.3.405.416