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首页> 外文会议>European biomass conference and exhibition;ETA-Florence Renewable Energies >YIELDS OF POPLAR SRC AND VSRC GROWN WITH DIFFERENT FERTILIZATION AND IRRIGATION MANAGEMENT
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YIELDS OF POPLAR SRC AND VSRC GROWN WITH DIFFERENT FERTILIZATION AND IRRIGATION MANAGEMENT

机译：不同施肥和灌溉管理的杨树SRC和VSRC的产量

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摘要

Poplar is largely utilized in Short Rotation Forestry (SRF) plantations for energy purposes. Itsrncultivation can produce environmental benefits but requires the availability of water and nutrients. Because ofrnenvironmental and energetic implications of production and use of water and fertilizers, it’s important to test thernefficiency of yield also without these costly cultivation practices. Within SUSCACE Project (funded by MiPAAF) inrn2009 a trial was established near Casale Monferrato, Italy, with Populus ×canadensis ‘Imola’, to compare SRCrnmodels and treatments: 2-year rotation, very high density (8333 trees·ha~(-1)) - vSRC, and 5-year rotation, high densityrn(1111 trees∙ha~(-1)) - SRC. Fertilization(F) and irrigation(I) effects were applied with two levels, fertilized – notrnfertilized, irrigated-not irrigated. Data of five years of growth are available. SRC is the model most productive duringrnthis period. Within treatments the difference in yield is due to irrigation, that increases the productions about ofrn120%; fertilization had no effect. The water availability remains the key factor for a good production. However, tornreduce the costs of cultivation ensuring the availability of water, other studies are ongoing to improve the applicationrnof wastewater that combines the purification of water and the production of biomass.
机译：杨树在短轮伐林（SRF）人工林中大量用于能源目的。耕种可以产生环境效益，但需要水和养分。由于水和肥料的生产和使用对环境和能源都有影响，因此，即使没有这些昂贵的耕作方法，也要测试产量的效率，这一点很重要。在SUSCACE项目（由MiPAAF资助）于2009年内，在意大利Casale Monferrato附近与Populus×canadensis'Imola'建立了一个试验，以比较SRCrn模型和处理方法：2年轮换，极高密度（8333棵树·公顷〜（-1 ））-vSRC，5年轮作，高密度rn（1111棵树∙ha〜（-1））-SRC。施肥（F）和灌溉（I）的效果分为两个级别：施肥-未施肥，灌溉-不灌溉。有五年增长的数据。 SRC是此期间生产力最高的模型。在处理中，产量的差异是由于灌溉造成的，这使产量增加了约120％。施肥没有效果。可用水仍然是良好生产的关键因素。然而，为了降低确保水的可利用性的耕作成本，正在进行其他研究以改进将废水净化与水质净化和生物质生产相结合的应用废水。

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  • 会议地点 Vienna(AT)
  • 作者

    Sara Bergante; Gianni Facciotto;

  • 作者单位

    Consiglio per la ricerca in agricoltura e l’analisi economica (CRA) – Council for Agricultural Research and EconomicsUnità di ricerca per le Produzioni legnose fuori foresta (PLF) – Intensive wood Production Research UnitStada Frassineto Po, 35 – 15033 Casale Monferrato (AL) Italy. Tel +39 0142330900 fax +39 014255580e-mail: sara.bergante@entecra.it;

    Consiglio per la ricerca in agricoltura e l’analisi economica (CRA) – Council for Agricultural Research and EconomicsUnità di ricerca per le Produzioni legnose fuori foresta (PLF) – Intensive wood Production Research UnitStada Frassineto Po, 35 – 15033 Casale Monferrato (AL) Italy. Tel +39 0142330900 fax +39 014255580 gianni.facciotto@entecra.it;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Short Rotation Forestry; yield; water use; fertilization;

    机译：短轮伐林；产量；用水；施肥;

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