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Title: | The Effects of Soil Compaction on the Growth and Architecture of the Seedlings of Species Commonly Used for Afforestation in Iran | Authors: | Jourgholami, Meghdad Hosseiniala, Elahe Alsadat Latterini, Francesco Venanzi, Rachele Picchio, Rodolfo |
Journal: | FORESTS | Issue Date: | 2024 | Abstract: | The aim of the present study was to elucidate the effects of soil compaction on the seedlings of two species of deciduous (Acer velutinum and Alnus subcordata) and evergreen trees (Pinus eldarica and Pinus nigra) in terms of above- and below-ground morphology in a greenhouse. Six soil compaction levels were applied: the lowest intensity (control), very low, low, moderate, heavy, and very heavy. The results showed that there were different effects according to the species. These effects were on lateral root length, stem diameter, leaf dry biomass, SSL (specific stem length), SRL (specific root length), LMR (leaf mass ratio), RMR (root mass ratio), SMR (stem mass ratio), and R/S (root-to-shoot ratio). The results showed that soil penetration resistance (SPR) had a significant effect on seedling variables such as lateral root length, stem diameter, leaf dry biomass, and SRL (p < 0.05). A. velutinum seedlings have the highest values of growth variables compared to three other species, followed by A. subcordata seedlings. The two evergreen species, Pinus eldarica and Pinus nigra, have the lowest values of these growth variables. It is worth noting that we found that deciduous species had enhanced growth up to a moderate compaction level (1.3 MPa), while the growth decreased at an SPR that was higher than this value. |
URI: | http://hdl.handle.net/2067/51616 | ISSN: | 1999-4907 | DOI: | 10.3390/f15071090 | Rights: | Attribution 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
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forests-15-01090.pdf | articolo | 1.44 MB | Adobe PDF | View/Open |
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