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| Content Provider | CSIR - National Institute of Science Communication and Policy Research (NISCPR) |
|---|---|
| Author | Riddell-Black, Drusilla Harris, P. J. C. Vasudevan, Padma Toky, O. P. Davies, Philip A. |
| Abstract | This study estimates above-ground biomass in high density plantations of six important semi-arid tree species at Palwal (70 km from Delhi) irrigated with secondary treated sewage water at the rate of 0, 25, 50 and 100% of daily net evaporation potential (EP). In 2.5 y old plantations (plant spacing, 2 m x 2 m for single stem species and 2 m x 1 m for multi-stem species), Melia azedarach showed fairly high biomass production (38.4 t/ha) followed by Ailanthus excelsa (27.2 t/ha). Order of biomass production (kg / tree) was: Eucalyptus tereticornis (24.1) > A. excelsa (21.8) > M. azedarach (12.6) > Populus deltoides clone G 48 (8.3) > Alstonia scholaris (6.6)> Pongamia pinnata (3.7). Survival of plants after 2.5 y ranged from 25.2% in P. deltoides to 71.7% in P. pinnata, and had a significant effect on biomass production per unit area. ANOVA shows that levels of irrigation (0 - 100%) did not have statistically significant effect on plant growth. Correlation between diameter and biomass was found highly significant (p< 0.01) with R2 nearing to 1. |
| Ending Page | 609 |
| Starting Page | 601 |
| ISSN | 00224456 |
| e-ISSN | 09751084 |
| Journal | Journal of Scientific and Industrial Research (JSIR) |
| Issue Number | 08 |
| Volume Number | 70 |
| Language | English |
| Publisher | CSIR-NISCAIR, India |
| Publisher Date | 2011-08-01 |
| Access Restriction | Open |
| Rights License | CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| Subject Keyword | Semi arid trees Sewage water irrigation Short rotation plantations Biomass |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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