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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
25/09/2008 |
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Data da última atualização: |
25/09/2008 |
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Autoria: |
LAZCANO, C.; SAMPEDRO, L.; ZAS, R.; DOMÍNGUEZ, J. |
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Título: |
Vermicompost in forest nursery: effects of different doses on the growth of pine seedlings (Pinus pinaster) and the role of plant genotype. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
Vermicompost has shown to enhance plant growth in several horticultural and ornamental species.
However, little is known about its suitability as organic amendment into the potting media of
forestry species; vermicompost might be considered in forest nursery as a mean to reduce
fertilizer expenses and the impact of the exploitation of highly valuable and non-renewable
materials such as peat. We investigated how different doses of vermicompost incorporated
into the potting media influenced the growth of different progenies of pine seedlings (Pinus
pinaster). Seeds with different genotypes belonging to five open-pollinated families of P. pinaster
selected for superior growth stem form and branch characteristics were collected from an
experimental orchard in Sergude (Galicia, NW Spain). Additionally a commercial mixture of
seeds from different progenies was included for comparison. Five seeds belonging to the same
family were sown in 4 L plastic pots. The basic potting mixture consisted on peat and perlite (1:1
v:v) where the following treatments where applied: (i) 2.5 % substitution of peat by vermicompost;
(ii) 5% substitution of peat by vermicompost; (iii) 10% substitution of peat by vermicompost; (iv)
25% substitution of peat by vermicompost; (v) vermicompost tea, in a dose equivalent to 2.5%
of peat substitution by vermicompost; (vi) vermicompost tea in a dose equivalent to 25% of peat
substitution by vermicompost. A slow-release mineral fertilizer was added to all the treatments
and controls to avoid nutrient limitations. Pots were located in a greenhouse with controlled
temperature and moisture following a randomized block design. After 20 weeks, the pine
seedlings where harvested and their growth was assessed by measuring shoot height and
diameter and biomass of shoots, leaves, and roots. The early ontogenic development of the
plants was evaluated through the number of lateral branches and the amount of mature needles
formed. The results of this experiment provide one of the first approaches to the use of
vermicompost as pot amendment in forest nursery as well as a clue for a better management of
this kind of organic amendments by studying their interaction with the genotype of the plants. MenosVermicompost has shown to enhance plant growth in several horticultural and ornamental species.
However, little is known about its suitability as organic amendment into the potting media of
forestry species; vermicompost might be considered in forest nursery as a mean to reduce
fertilizer expenses and the impact of the exploitation of highly valuable and non-renewable
materials such as peat. We investigated how different doses of vermicompost incorporated
into the potting media influenced the growth of different progenies of pine seedlings (Pinus
pinaster). Seeds with different genotypes belonging to five open-pollinated families of P. pinaster
selected for superior growth stem form and branch characteristics were collected from an
experimental orchard in Sergude (Galicia, NW Spain). Additionally a commercial mixture of
seeds from different progenies was included for comparison. Five seeds belonging to the same
family were sown in 4 L plastic pots. The basic potting mixture consisted on peat and perlite (1:1
v:v) where the following treatments where applied: (i) 2.5 % substitution of peat by vermicompost;
(ii) 5% substitution of peat by vermicompost; (iii) 10% substitution of peat by vermicompost; (iv)
25% substitution of peat by vermicompost; (v) vermicompost tea, in a dose equivalent to 2.5%
of peat substitution by vermicompost; (vi) vermicompost tea in a dose equivalent to 25% of peat
substitution by vermicompost. A slow-release mineral fertilizer was added to all the tre... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02994naa a2200157 a 4500
001 1314955
005 2008-09-25
008 2008 bl uuuu u00u1 u #d
100 1 $aLAZCANO, C.
245 $aVermicompost in forest nursery$beffects of different doses on the growth of pine seedlings (Pinus pinaster) and the role of plant genotype.
260 $c2008
520 $aVermicompost has shown to enhance plant growth in several horticultural and ornamental species. However, little is known about its suitability as organic amendment into the potting media of forestry species; vermicompost might be considered in forest nursery as a mean to reduce fertilizer expenses and the impact of the exploitation of highly valuable and non-renewable materials such as peat. We investigated how different doses of vermicompost incorporated into the potting media influenced the growth of different progenies of pine seedlings (Pinus pinaster). Seeds with different genotypes belonging to five open-pollinated families of P. pinaster selected for superior growth stem form and branch characteristics were collected from an experimental orchard in Sergude (Galicia, NW Spain). Additionally a commercial mixture of seeds from different progenies was included for comparison. Five seeds belonging to the same family were sown in 4 L plastic pots. The basic potting mixture consisted on peat and perlite (1:1 v:v) where the following treatments where applied: (i) 2.5 % substitution of peat by vermicompost; (ii) 5% substitution of peat by vermicompost; (iii) 10% substitution of peat by vermicompost; (iv) 25% substitution of peat by vermicompost; (v) vermicompost tea, in a dose equivalent to 2.5% of peat substitution by vermicompost; (vi) vermicompost tea in a dose equivalent to 25% of peat substitution by vermicompost. A slow-release mineral fertilizer was added to all the treatments and controls to avoid nutrient limitations. Pots were located in a greenhouse with controlled temperature and moisture following a randomized block design. After 20 weeks, the pine seedlings where harvested and their growth was assessed by measuring shoot height and diameter and biomass of shoots, leaves, and roots. The early ontogenic development of the plants was evaluated through the number of lateral branches and the amount of mature needles formed. The results of this experiment provide one of the first approaches to the use of vermicompost as pot amendment in forest nursery as well as a clue for a better management of this kind of organic amendments by studying their interaction with the genotype of the plants.
700 1 $aSAMPEDRO, L.
700 1 $aZAS, R.
700 1 $aDOMÍNGUEZ, J.
773 $tIn: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM.
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