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Biomass yield and energy balance of three perennial crops for energy use in the semi-arid Mediterranean environment (Articolo in rivista)
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- Biomass yield and energy balance of three perennial crops for energy use in the semi-arid Mediterranean environment (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.fcr.2009.07.020 (literal)
- Alternative label
Mantineo M., DAgosta G.M., Copani V., Patane` C., Cosentino S.L. (2009)
Biomass yield and energy balance of three perennial crops for energy use in the semi-arid Mediterranean environment
in Field crops research; Elsevier BV, Amsterdam (Paesi Bassi)
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- Mantineo M., DAgosta G.M., Copani V., Patane` C., Cosentino S.L. (literal)
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- impact factor rivista 2010: 2.232
n. citazioni: 16 (literal)
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- Mantineo M., Dipartimento di Scienze delle Produzioni Agrarie e Alimentari (DISPA), Università degli Studi di Catania, Via Valdisavoia 5, 95123 Catania, Italy
D'Agosta G.M., Dipartimento di Scienze delle Produzioni Agrarie e Alimentari (DISPA), Università degli Studi di Catania, Via Valdisavoia 5, 95123 Catania, Italy
Copani V., Dipartimento di Scienze delle Produzioni Agrarie e Alimentari (DISPA), Università degli Studi di Catania, Via Valdisavoia 5, 95123 Catania, Italy
Patane` C., CNR-Istituto per i Sistemi Agricoli e Forestali del Mediterraneo (ISAFoM), Sede di Catania, Str.le V. Lancia, Zona Industriale, Blocco Palma 1, 95121 Catania, Italy
Cosentino S.L., Dipartimento di Scienze delle Produzioni Agrarie e Alimentari (DISPA), Università degli Studi di Catania, Via Valdisavoia 5, 95123 Catania, Italy (literal)
- Titolo
- Biomass yield and energy balance of three perennial crops for energy use in the semi-arid Mediterranean environment (literal)
- Abstract
- Three different lignocellulosic energy crops (a local clone of Arundo donax L., Miscanthus x giganteus Greef
et Deu. and Cynara cardunculus L. var. altilis D.C. cv. ''Cardo gigante inerme'') were compared over 5 years
(2002-2007) for crop yield, net energy yield and energy ratio. In a hilly interior area of Sicily (Italy), two
different irrigation treatments (75 and 25% of ETm restoration) and two nitrogen fertilization levels (100
and 50 kg ha?1) were evaluated in a split-plot experiment. In the fourth and fifth years of the field
experiment (2005-2007) no fertilizer or irrigation was used.
From crop establishment to the third year, above ground dry matter yield increased over all studied
factors, in A. donax from 6.1 to 38.8 t ha?1 and in M. x giganteus from 2.5 to 26.9 t ha?1. Fifteen months
after sowing, C. cardunculus yielded 24.7 t ha?1 of d.m. decreasing to 8.0 t ha?1 in the third year. In the
fourth and fifth years, above ground dry matter yields of all crops decreased, but A. donax and M. x
giganteus still maintained high productivity levels in both years. By contrast the yield of C. cardunculus
yield fell to less than 1 t ha?1 of d.m. by the fourth year.
Energy inputs of A. donax and M. x giganteus were higher in the year of establishment than that of C.
cardunculus (34 GJ ha?1 for A. donax and M. x giganteus and 12 GJ ha?1 for C. cardunculus), mainly due to
irrigation.
Net energy yield showed low or negative values in the establishment year in A. donax and M. x
giganteus. In the second and third year, net energy yield of A. donax was exceptionally high (487.2 and
611.5 GJ ha?1, respectively), whilst M x giganteus had lower values (232.2 and 425.9 GJ ha?1,
respectively). M x giganteus attained its highest net energy yield in the fourth year (447.2 GJ ha?1).
Net energy yield of C. cardunculus reflected energy output of the crop, being high in the first compared to
subsequent years (364.7, 277.0 and 119.2 GJ ha?1, respectively for the first, second and third years).
A significant effect of the different irrigation treatments was noted on all the studied parameters in all
species. Conversely, only A. donax was affected by nitrogen fertilization. (literal)
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