Cited by 30Bioenergy crop production and managementAgroforestry and silvopastoral systemsForest Biomass Utilization and Management

Willow Short Rotation Coppice Trial in a Former Mining Area in Northern Spain: Effects of Clone, Fertilization and Planting Density on Yield after Five Years

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Castaño-Díaz, María, Barrio-Anta, Marcos, Afif-Khouri, Elías, Cámara-Obregón, Asunción·2018·Forests

Abstract

A willow short rotation coppice (SRC) trial was conducted on former mining land in northern Spain over a period of five years, with the purpose of evaluating the effects on yield of two planting densities (9876 and 14,815 cuttings ha−1), three treatments (control, two levels of nitrogen, phosphorus and potassium compound fertilizer (NPK) plus weed control) and three willow clones (Björn, Inger, Olof). The area was subsoiled, ploughed, harrowed and fertilized with NPK before trial establishment. A randomized block design was applied, with three replications of each treatment in a total of 54 plots, each of an area of 400 m2. The effects of the interactions between the various factors on yield and other growth parameters were also studied. The clone factor significantly affected the number of shoots per stool (greatest for the Inger clone) and the Olof clone, which showed the lowest mortality rate and produced the largest trees and largest quantity of biomass. The combined application of fertilizer and herbicide also significantly increased the values of all response variables considered, except the mortality rate. The planting density did not significantly affect the response variables. Clone × treatment interactions were significant for the shoots per stool, height, diameter and biomass variables, and the Olof clone displayed the highest height and diameter growth and yield. The results obtained in the first rotation indicate that the Olof clone adapted well to the trial conditions and therefore would be appropriate for producing biomass in abandoned mine land in Asturias. These findings will help in the development of strategies for the establishment and management of SRC on marginal land.

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Authors
Castaño-Díaz, M., Barrio-Anta, M., Afif-Khouri, E., & Cámara-Obregón, A.
Affiliations
  • Universidad de Oviedo (ES)
  • GIS-Forest Research Group, Department of Organisms and Systems Biology, Polytechnic School of Mieres, University of Oviedo, Mieres, E-33600 Asturias, Spain
Corresponding author
Castaño-Díaz, María
Venue
Forests
Publisher
MDPI AG
Published
2018-03-20
Volume
9
Issue
3
Pages
154
ISSN
1999-4907 (ISSN-L)
OpenAlex
W2790261039
Cited by
30
References
71
Citations by year
2026: 2 · 2025: 3 · 2023: 5 · 2022: 6 · 2021: 2 · 2020: 6 · 2019: 4 · 2018: 2
FWCI
5.92
Type
journal article
Language
en
Open access
Locations
  • Forests (publishedVersion, cc-by)
  • Consultation of the Doctoral Thesis Database (TESEO) (Ministerio de Educación, Cultura y Deporte) (submittedVersion, cc-by)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
  • Life Sciences › Agricultural and Biological Sciences › Forestry › Agroforestry and silvopastoral systems
  • Physical Sciences › Engineering › Mechanics of Materials › Forest Biomass Utilization and Management
Keywords
willow, short rotation coppice, abandoned mines, plant density, NPK fertilization, weed control, biomass yield, shoot production, tree growth, marginal land, Asturias

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