The Effect of Slow-release Nitrogen Fertilizer Using Wastepaper on the Growth of Radish Plants
2008
Khan, Modabber Ahmed (Kyungpook National University, Daegu, Republic of Korea), E-mail: [email protected] | Mingzhi, Wang (Kyungpook National University, Daegu, Republic of Korea) | Lim, B.K. (Kyungpook National University, Daegu, Republic of Korea) | Lee, J.Y. (Kyungpook National University, Daegu, Republic of Korea)
The aim of this study was to investigate the effects of slow-release nitrogen fertilizer (SRNF) on the growth of radish plants. Wastepaper was deinked by alkaline solution and SRNF was produced from fertilizer impregnated wastepaper, which applied to an experimental plot compared with a urea fertilized plot. The plant height and total chlorophyll content of the radishes were higher while they were treated with SRNF than with urea. Some agronomic and chemical components were also observed and significant differences between the two fertilizers were found. When the soil was treated with SRNF, the pH, organic matter and total nitrogen content were higher than in the soil which was treated with urea.
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