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The role of two different training systems in affecting carbon sequestration capability in hazelnut orchards

机译：两种不同的训练系统的作用影响固碳能力榛子果园

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As a part of a larger study concerning the carbon sequestration capability by hazelnut orchards in Italy, we analyzed the total amount of carbon dioxide (CO2) removed over the year from the atmosphere through the net assimilation rates in two hazelnut orchards in Piedmont (i.e., the second region in Italy for surface and production). In particular, considering the key role played by the structural traits in affecting carbon sequestration potential, we assessed the impact of two different training systems widely diffused in the region: single trunk in orchard(A) and bush-like in orchard(B.) The results showed that plants in orchard(A) and orchard(B) sequestered 10.6 +/- 1.8 and 25.7 +/- 4.2 kg (CO2) plant(-1) month(-1), respectively. Higher CO2 sequestration in the plants in orchard(B) was due to their higher leaf area index relative to plants in orchard(A). The mean CO2 sequestration from orchard(A) and orchard(B) per area was 4.25 +/- 1.72 and 8.57 +/- 3.41 Mg (CO2) ha(-1) month(-1), respectively. We also estimated the total amount of CO2 emission by the management over the entire production season in 157.335 kg CO2eq ha(-1) by summing the contribution of diesel fuel, machinery and fertilization practices and considering that the total amount of CO2 sequestered by the two hazelnut orchards over the entire study period was estimated in 26 Mg (CO2) ha(-1) in orchard(A), and in 51 Mg (CO2) ha(-1) in orchard(B), they had an effective positive role as carbon sink at this local level.
机译：作为研究的一部分关于碳榛子果园封存能力意大利,我们分析了碳的总量二氧化碳(CO2)删除的一年大气的净同化率两个榛子果园在皮埃蒙特(即意大利面和第二区域生产)。扮演的角色结构特征的影响固碳潜力,我们评估了两个不同的培训系统广泛的影响在该地区的扩散:单一的树干果园在果园(b) (A)和灌木状的结果表明,在果园(A)和植物果园(B)隔离10.6 + / - 1.8和25.7 + / -4.2公斤(二氧化碳)植物(1)月(1),分别。更高的二氧化碳封存在植物果园(B)是由于其较高的叶面积在果园(A)指数相对于工厂。二氧化碳封存从果园果园(A)和(B)单位面积是4.25 + / - 1.72和8.57 + / - 3.41毫克(CO2)公顷(1)月(1),分别。估计的二氧化碳排放总量管理整个生产季节157.335公斤CO2eq公顷(1)通过加总贡献的柴油、机械和施肥实践和考虑到封存的二氧化碳总量的两个在整个研究期间的榛子果园估计在26个毫克(CO2)公顷(1)果园(A),在51毫克(CO2)公顷(1)果园(B),他们有一个有效的积极作用在这个地方作为碳汇。

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