Data di Pubblicazione:
2006
Citazione:
The effects of irrigation and mulching on growth and physiology of some shade tree species / F. Ferrini, A. Sæbø, A. Fini, M. Baietto, A. Ferrante, G. Amoroso, P. Frangi. ((Intervento presentato al 9. convegno Urban Forestry Bridges 2006 : european forum on urban forestry tenutosi a Firenze nel 2006.
Abstract:
In the present scenario, we focus on the need for environmentally friendly
establishment and low cost management methods of the urban green areas.
Compost and its skilled use as mulching material and also to improve organic
matter content in the soils, can contribute to such a development. However, the
use of compost may not be beneficial, unless the quality is good and the
methodology of its use is based on a high level of knowledge in the arboricultural
business. Also, the need for efficient water use is emphasised, both by politicians
and the general public, especially in Southern Europe. The business of the urban
greening sector must take such problems into consideration when deciding upon
the choices of methods in plant production, establishment and management.
When choosing methodology in urban forestry and urban greening, there may be
interactions between the different factors considered, so that when one factor is
altered or introduced, other factors need to be modified as well.
The project is focused on the use of cultivation techniques (i.e. mulching with
pine bark, mulching with green compost and control where herbicide has been
used to control weeds), and their possible influence on growth and physiology of
some shade tree species widely grown in the urban environment.
In 2004 an experimental field was planted at the Fondazione Minoprio (Como).
Trees have been planted following the randomised block design with 3 blocks and
four plants per block. The treatment are mulching with pine bark, mulching with
green compost, herbicide.
a) plant height at the beginning and at the end of the season
b) bud-break date
c) shoot elongation
d) leaf gas exchange
e) chlorophyll fluorescence
Preliminary results have shown that the cultivation techniques applied in this
project can have remarkable effects on tree physiology, but results can be
variable according to the species.
Compost was the most effective on Tilia x europaea, compared to pine bark and
control, while on Aesculus x carnea, control with pine bark showed the lowest leaf
gas exchange and no differences where found between compost and pine bark.
Shoot elongation was higher in the composted linden trees, while no differences
emerged in horsechestnut.
Plant height and trunk diameter were affected only in Aesculus, with compost
showing the best results compared to the other thesis. No differences where
found regarding bud break date in 2006.
Chlorophyll fluorescence was affected by the different treatment especially in the
second part of the season when compost and pine bark showed higher values
compared to control.
Tipologia IRIS:
14 - Intervento a convegno non pubblicato
Keywords:
organic matter ; soil ; cultivation tecniques
Elenco autori:
F. Ferrini, A. Sæbø, A. Fini, M. Baietto, A. Ferrante, G. Amoroso, P. Frangi
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