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Study of Paulownia's Biomass Production in Mérida (Badajoz), Southwestern Spain

机译：西班牙西南部梅里达（巴达霍斯）的泡桐生物量生产研究

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Fast-growing forest species have become an alternative to take into account for irrigated land with lower profit margins. The objective of this project is to know the adaptation and biomass yields of the Paulownia crop for biomass and timber production, in the irrigated area of the Guadiana River 'Vegas Bajas' in Extremadura Region, (SPAIN). In 2012, two plots with 4 different Paulownia clones were planted (112, COT2, L1 and X1). One plot has been destined to timber production (T), with a 10-year rotation, grown at 4 by 4m spacing, and the other plot has been destined to biomass production (B), with a 3-year rotation, grown at 3 by 2m spacing. In February 2016, the first rotation stand of the biomass (B) plot was harvested. Clone X1 has showed a significantly lower performance in terms of dry matter production and growth, whilst among the other 3 clones, no significant differences were observed. The total production of the biomass plot was 24280.1kg dry matter ha-1. Average annual total biomass yield was 8093.4 Kg ms ha-1 for plot (B).
机译：快速增长的森林物种已成为考虑到利润率较低的灌溉土地的替代选择。该项目的目的是在埃斯特雷马杜拉地区（西班牙）瓜迪亚纳河“ Vegas Bajas”的灌溉区中了解泡桐作物对生物量和木材生产的适应性和生物量产量。 2012年，种植了两个带有4个不同泡桐克隆的样地（112，COT2，L1和X1）。一个样地定为木材生产（T），轮作10年，以4 x 4m的间距生长，另一个样地定为生物质生产（B），轮作3年，以3间距为2m。 2016年2月，收获了生物质（B）地块的第一个旋转林。 X1克隆在干物质生产和生长方面表现出明显较低的性能，而在其他3个克隆中，未观察到显着差异。生物量地块的总产量为24280.1kg干物质ha -1 。地块（B）的年平均生物量总产量为8093.4 Kg ms ha -1 。

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