Abstract
In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth. In 2006 a trial was established in sandyloam soil of CRAPLF experimental farm at Casale Monferrato There are compared the two species with two different densities (high, 1666 trees/h, and very high density, 8333 trees/ha). A Splitplot design with three replications was utilized. Trees of high density model were harvested at the end of fifth year, trees of very high density model were harvested at the end of third year and fifth year. Rooting was generally good (93%) but after first harvest and during second cycle, stumps at the closer spacing show a certain mortality and survival at the end of the fifth year slightly decrease (89%). Total above ground dry biomass, after five year, is significantly higher in very high density model, both for the two species. The biomass production of trees grown at the closer spacing is twice that of trees grown at wider spacing. The differences among the two species are not statistically significant. Both are able to grow in environmental situations not suitable for poplar and willow clones and require fewer tending operation.
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Claims 8
Claim · model-written summary
Rooting of the two species was generally good, 93%.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa Steud
Robinia pseudoacacia
Paulownia tomentosae0 - Outcome
- Rootinge1
- Value
- 93%e1
- Qualifier
- generally goode1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e1“Rooting was generally good (93%) but after first harvest and during second cycle, stumps at the closer spacing show a certain mortality and survival at the end of the fifth year slightly decrease (89%)”
Claim · model-written summary
Survival at the end of the fifth year slightly decreased, to 89%.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Outcome
- survival at the end of the fifth yeare1
- Direction
- slightly decreasee1
- Value
- 89%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e1“Rooting was generally good (93%) but after first harvest and during second cycle, stumps at the closer spacing show a certain mortality and survival at the end of the fifth year slightly decrease (89%)”
Claim · model-written summary
Stumps at the closer spacing showed a certain mortality after first harvest and during the second cycle.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Organ / stage
- stumpse1
- Treatment
- closer spacinge1
- Outcome
- mortalitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e1“Rooting was generally good (93%) but after first harvest and during second cycle, stumps at the closer spacing show a certain mortality and survival at the end of the fifth year slightly decrease (89%)”
Claim · model-written summary
Total above ground dry biomass after five years was significantly higher in the very high density model for both species.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Treatment
- very high densitye3
- Outcome
- Total above ground dry biomasse2
- Direction
- highere2
- Qualifier
- after five yeare2
- Comparator
- high, 1666 trees/he3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e2“Total above ground dry biomass, after five year, is significantly higher in very high density model, both for the two species”
e3“There are compared the two species with two different densities (high, 1666 trees/h, and very high density, 8333 trees/ha)”
Claim · model-written summary
Trees grown at the closer spacing had twice the biomass production of trees grown at wider spacing.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Treatment
- closer spacinge4
- Outcome
- biomass productione4
- Direction
- higherinferrede4
- Value
- twicee4
- Comparator
- trees grown at wider spacinge4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e4“The biomass production of trees grown at the closer spacing is twice that of trees grown at wider spacing”
Claim · model-written summary
The differences in production between the two species are not statistically significant.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Outcome
- differences among the two speciese5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e5“The differences among the two species are not statistically significant”
Claim · model-written summary
Both species can grow in environmental situations not suitable for poplar and willow clones.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Outcome
- grow in environmental situationse6
- Comparator
- poplar and willow clonese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e6“Both are able to grow in environmental situations not suitable for poplar and willow clones and require fewer tending operation”
Claim · model-written summary
Both species require fewer tending operations.
- Taxon
- Robinia pseudoacacia L. and Paulownia tomentosa SteudRobinia pseudoacaciaPaulownia tomentosae0
- Outcome
- tending operatione6
- Direction
- fewere6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In this paper are reported production performances of two species: Robinia pseudoacacia L. and Paulownia tomentosa Steud after five years of growth”
e6“Both are able to grow in environmental situations not suitable for poplar and willow clones and require fewer tending operation”