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| Titel: |
EUCALYPTUS SEEDLINGS QUALITY TREATED WITH PYROLIGNEOUS EXTRACT |
| Auteur: |
Alan Souza-Silva Ronald Zanetti Geraldo Andrade Carvalho Lúcia Aparecida Mendonça |
| Verschenen in: |
Cerne |
| Paginering: | Jaargang 12 (2006) nr. 1 pagina's 19-26 |
| Jaar: |
2006 |
| Inhoud: |
Bioassays were made in field conditions, in Olhos D Água, Minas Gerais, Brazil, for evaluating pyroligneous extractaction on seedlings of Eucalyptus grandis x Eucalyptus urophylla clones treated by irrigation. Seedlings 45 days old received thefertilization concentrated and the pyroligneous extract at different concentrations during 45 days, three applications per week. It wasevaluated the height, the diameter, the dry mass of the aerial part of trees (DMA), the dry mass of the root (DMR) and the potential ofroot growth (PRG) of the seedlings. Pyroligneous extract (from 0.0 to 2.0%) did not promote additive effects on eucalyptus seedlingsof E. grandis x E. urophylla clones. The increasing of the pyroligneous extract concentration reduced the diameter, DMA and DMR of eucalyptus seedlings. Application of 100% of the recommended rate of fertilizer produced higher height, dry mass of the aerial part oftree, dry mass of the root and potential of root growth of the seedlings of E. grandis x E. urophylla clones, than with 50%. |
| Uitgever: |
Universidade Federal de Lavras - UFLA (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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