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Pakistan Journal of Biological Sciences

Year: 1998  |  Volume: 1  |  Issue: 2  |  Page No.: 137 - 138

Effect of Different Sources of Nitrogen on Chemical Characters of Guava (Psidium guajava L.)

F.M. Tahir, M.A. Pervez and R. Ahmad


Present studies were carried out to determine the effect of different nitrogen sources on various chemical characters of guava to improve its quality. Two sources (urea and ammonium nitrate) of nitrogen each with two doses (300 and 600 gm) were applied in split doses before flowering and after fruit setting. It was observed that 600 g N per tree from urea proved best for quality improvement followed by ammonium nitrate. The combined application of urea and Ammonium nitrate (300 + 300 g) was found better than their individual effects with the same dozes.

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