Citation
Ong Kian Huat, . and Lim Meng Tsai, . and Abdul Latib Senin, . (2006) Growth and photosynthetic rate responses of Shorea platyclados seedlings to nitrogen application. In: 8th Round-Table Conference on Dipterocarps: Dipterocarps - Enhancing Capacities in Sustainable Development and Poverty Alleviation, 15-17 Nov 2005, Ho Chi Minh City (Vietnam).
Abstract
The effects of urea application on the growth and rate of photosynthesis in Shorea platyclados (meranti bukit) seedlings were assessed in a pot experiment. The levels of fertilizer tested were 0 g 3 g 6 g and 9 g per pot of urea. The use of urea led to a significantly higher growth and photosynthetic rate (A). The A of S. platyclados was within the range reported for other timber tree species in Malaysia. Whole-plant N content (wpNc) is higher in urea treated seedlings than the control. A increased linearly with foliar N (Nla) suggesting that higher A may be achieved with increase urea application. The increase in growth and biomass could be due to a higher leaf area which enabled the plants to intercept a larger amount of light and also photosynthesize more.
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Abstract
The effects of urea application on the growth and rate of photosynthesis in Shorea platyclados (meranti bukit) seedlings were assessed in a pot experiment. The levels of fertilizer tested were 0 g 3 g 6 g and 9 g per pot of urea. The use of urea led to a significantly higher growth and photosynthetic rate (A). The A of S. platyclados was within the range reported for other timber tree species in Malaysia. Whole-plant N content (wpNc) is higher in urea treated seedlings than the control. A increased linearly with foliar N (Nla) suggesting that higher A may be achieved with increase urea application. The increase in growth and biomass could be due to a higher leaf area which enabled the plants to intercept a larger amount of light and also photosynthesize more.
Additional Metadata
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. QK 495 D564R859 2005 (095003273) Call Number |
| AGROVOC Term: | Dipterocarps |
| AGROVOC Term: | Shorea |
| AGROVOC Term: | Dipterocarpaceae |
| AGROVOC Term: | Fertilizer application |
| AGROVOC Term: | Pot experimentation |
| AGROVOC Term: | Seedlings |
| AGROVOC Term: | Urea |
| AGROVOC Term: | Organic fertilizers |
| AGROVOC Term: | Nitrogen |
| AGROVOC Term: | Growth |
| Geographical Term: | MALAYSIA |
| Depositing User: | Mr. AFANDI ABDUL MALEK |
| Last Modified: | 24 Apr 2025 00:52 |
| URI: | http://webagris.upm.edu.my/id/eprint/7690 |
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