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F.M. Tahir, M.A. Pervez and R. Ahmad, 1998. Effect of Different Sources of Nitrogen on Chemical Characters of Guava (Psidium guajava L.). Pakistan Journal of Biological Sciences, 1: 137-138.
DOI: 10.3923/pjbs.1998.137.138
URL: https://scialert.net/abstract/?doi=pjbs.1998.137.138
DOI: 10.3923/pjbs.1998.137.138
URL: https://scialert.net/abstract/?doi=pjbs.1998.137.138