Biomass production of poplar short rotation coppice over five and six rotations and its aptitude as a fuel

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027073%3A_____%2F19%3AN0000009" target="_blank" >RIV/00027073:_____/19:N0000009 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0961953419300121" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0961953419300121</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.biombioe.2019.01.011" target="_blank" >10.1016/j.biombioe.2019.01.011</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Biomass production of poplar short rotation coppice over five and six rotations and its aptitude as a fuel

Popis výsledku v původním jazyce

Cultivations of poplar short rotation coppices (SRC) over five/six 3-year rotation cycles of three clones of Populus nigra and one interspecific commercial hybrid clone were studied in the Czech Republic at three sites with different environmental conditions. Two sites were planted in 1998 and the other was planted in 2002. This study focused on the evaluation of the growth and biomass yields, and on the biomass aptitude to be used as a fuel. Plant mortality, ranging between 10% and 100%, was found as a determinant variable for SRC management. Biomass yield decreased comparatively with earlier harvests, with only the commercial clone delivering productivity levels higher than 11 Mg ha−1.yr−1. The sixth harvest was applied to a single mid-level site quality profile, marginal to food cultivations. This site was subjected to an intensive management during the first four rotations with fertilization, herbicide application and soil discing. These treatments were central to assure the high plant survival rate after the sixth rotation with adequate biomass productivity. The number of shoots per plant was higher in the site chosen for extension of lifecyle, supporting the hypothesis that this variable, by facilitating resprouting, allows a cultivation to withhold further rotations. The harvested biomass was found appropriate to be used as a fuel. The results suggest that the sustainability of SRC poplar cultivations can be achieved under lifecycles longer than 20 years, under 3-year rotation cycles, with proper clones, site and management practices.

Název v anglickém jazyce

Biomass production of poplar short rotation coppice over five and six rotations and its aptitude as a fuel

Popis výsledku anglicky

Cultivations of poplar short rotation coppices (SRC) over five/six 3-year rotation cycles of three clones of Populus nigra and one interspecific commercial hybrid clone were studied in the Czech Republic at three sites with different environmental conditions. Two sites were planted in 1998 and the other was planted in 2002. This study focused on the evaluation of the growth and biomass yields, and on the biomass aptitude to be used as a fuel. Plant mortality, ranging between 10% and 100%, was found as a determinant variable for SRC management. Biomass yield decreased comparatively with earlier harvests, with only the commercial clone delivering productivity levels higher than 11 Mg ha−1.yr−1. The sixth harvest was applied to a single mid-level site quality profile, marginal to food cultivations. This site was subjected to an intensive management during the first four rotations with fertilization, herbicide application and soil discing. These treatments were central to assure the high plant survival rate after the sixth rotation with adequate biomass productivity. The number of shoots per plant was higher in the site chosen for extension of lifecyle, supporting the hypothesis that this variable, by facilitating resprouting, allows a cultivation to withhold further rotations. The harvested biomass was found appropriate to be used as a fuel. The results suggest that the sustainability of SRC poplar cultivations can be achieved under lifecycles longer than 20 years, under 3-year rotation cycles, with proper clones, site and management practices.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

40106 - Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Biomass & Bioenergy

ISSN

0961-9534

e-ISSN

1873-2909

Svazek periodika

122

Číslo periodika v rámci svazku

March 2019

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

183-192

Kód UT WoS článku

000459461800020

EID výsledku v databázi Scopus

2-s2.0-85060890017