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• W4285384447 endingPage "120405" @default.
• W4285384447 startingPage "120405" @default.
• W4285384447 abstract "Quantifying leaf-litter and the potential contribution of essential nutrients to the soil is key to guaranteeing the sustainability of forest systems, especially in plantations under short rotation coppice, insofar as it can condition crop management such as the requirement for nutritional amendments. Nutrient cycling is dependent on production as well as litter decomposition, so to compare the different strategies of the species in nutrient recycling it is important not only to determine the quality and quantity of leaf litter, but also the decomposition rate dynamics and the consequent potential incorporation of organic matter and nutrients into the soil. Therefore, this work aims to quantify and analyze the dynamics of leaf-litter as well as the retranslocation rate, to assess the decomposition rate of the foliar biomass and its nutrient concentrations, and finally, to assess the evolution of leaf-litter quality. For these purposes, eight genotypes were considered in this study: Populus deltoides (‘Baldo’), Populus × canadensis (‘Ballottino’, ‘I-214′, ‘Orion’ and ‘Oudenberg’); Platanus × hispanica (‘Girona’), Salix matsudana × Salix spp. (‘Levante’) and Robinia pseudoacacia (‘Nyirsegi’). The plantation was established in central Spain with a density of 10,000 cuttings ha−1. Three rotations of 3 years each were applied, this study being carried out during the first growing season of the second rotation. Although the leaf fall dynamics were similar among the different species, the production and quality of the leaf-litter were highly species specific. Different strategies were identified; greater retranslocation of N and P being found in poplar, plane tree or only of P in the case of black locust as a conservation strategy, although lower retranslocation of all nutrients was observed in willow, which means that the leaf litter of the latter is very rich in nutrients. While willow, black locust or even some genotypes of poplar are capable of releasing many of the nutrients to the soil during decomposition, plane tree released a smaller variety of nutrients, N, P and Mg being immobilized in the leaf-litter. From the perspective of conserving the soil fertility resulting from the decomposition of leaf-litter, the plantations of species with the highest decomposition rates, such as black locust and willow, were found to be the most recommendable. However, the immobilization of some nutrients in the leaf-litter during the decomposition process could satisfy the nutritional requirements of these species in the medium and long term, thus an advantageous strategy could be to mix species with different decomposition dynamics." @default.
• W4285384447 created "2022-07-14" @default.
• W4285384447 creator A5022267610 @default.
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• W4285384447 creator A5078694958 @default.
• W4285384447 creator A5081562685 @default.
• W4285384447 creator A5085283428 @default.
• W4285384447 date "2022-09-01" @default.
• W4285384447 modified "2023-10-15" @default.
• W4285384447 title "How can leaf-litter from different species growing in short rotation coppice contribute to the soil nutrient pool?" @default.
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