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Pakistan Journal of Biological Sciences

Year: 1999  |  Volume: 2  |  Issue: 1  |  Page No.: 196 - 198

Nitrogen Uptake, Chlorophyll Content and Paddy Yield as Affected by Ordinary Urea and Slow-Release Fertilizer (Meister 10)

Inayat ullah Awan and Muhammad Safdar Baloch

Abstract

The response of rice plants to ordinary urea and slow-release fertilizer were studied in pot experiments at the green house of Tsukuba International Agricultural Training Center, Japan, during 1995. The amount of N in the plants grown under Meister 10 was equivalent to those of basal application of urea. The amount of N in the plants was higher in the post treated with highest dose of ordinary urea (1.5 g N/pot) both as a basal and top dressing application. The brown rice yield of Meister 10 and ordinary urea under the same dose was almost equivalent (11.96 and 11.35 g/plant). The basal application of urea (1.5 g N/pot) increased the brown rice yield (14.723 g/plant), compared with split application under the same dose (11.823/plant). The correlation analysis showed positive relationship between nitrogen content (%) and chlorophyll content r = 0.969 and r = 0.960) at panicle initiation and heading stage.

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