Biomass production and carbon stocks of poplar-based agroforestry with canola and wheat crops: a case study

IF 0.7 4区农林科学 Q3 FORESTRY

Baltic Forestry Pub Date : 2022-12-30 DOI:10.46490/bf560

Jamshid Eslamdoust, S. Sadati, H. Sohrabi

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引用次数: 1

Abstract

Poplar (Populus deltoides Bartr. ex Marsh.) produce a large amount of biomass per unit area and is important fast-growing species in different planting systems. However, the appropriate space between poplar trees is essential to high-performance productivity in diverse regions. The present study monitored the effect of different spacing configurations (A: 4 × 3 m; B: 4 × 3 m (pure poplar); C: 6 × 3 m; D: 8 × 3 m; E: 10 × 3 m and F: pure crop) of poplar-based agroforestry with two canola (Brassica napus L.) and wheat (Triticum aestivum L.) cropping system on biomass production and carbon storage. Over the eight years, the total poplar biomass production was significantly different (P ≤ 0.05) in poplar-based configurations and ranged from 9.1 to 13.4 mg ha–1. The highest carbon storage of 6.5 mg ha–1 was observed in configuration E. Crop production of canola and wheat in configurations B, C, D, and E, did not show a significant difference with pure crop cultivation, while configuration A was significantly lower. Our result indicated that configuration E, with the highest total biomass production but no significant difference in crop production, is the optimum system of poplar-based agroforestry in regions with similar temperate climate conditions of Northern Iran. Finally, poplar-based agroforestry provides high efficiency of carbon sequestration in trees which can conserve all market and non-market benefits. Keywords: aboveground biomass, carbon concentration, crop yield, productivity, Populus deltoides, Northern Iran

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以杨为主的油菜和小麦复合农林业的生物量生产和碳储量：一个案例研究

杨树（Populus deltoides Bartr.ex Marsh.）单位面积产生大量生物量，是不同种植体系中重要的速生树种。然而，杨树之间的适当空间对于不同地区的高性能生产力至关重要。本研究监测了不同间距配置的影响（A:4 × 3. m；B： 4 × 3. m（纯白杨）；C： 6 × 3. m；D： 8 × 3. m；E： 10 × 3. m和F：纯作物）与两种油菜（Brassica napus L.）和小麦（Triticum aestivum L.）种植系统的杨树农林业对生物量生产和碳储存的影响。8年来，杨树总生物量产量差异显著（P ≤ 0.05），范围为9.1至13.4 毫克 ha–1.最高碳储量为6.5 毫克 在配置E中观察到ha–1。在配置B、C、D和E中，油菜和小麦的作物产量与纯作物种植没有显著差异，而配置a显著较低。我们的结果表明，在伊朗北部温带气候条件相似的地区，总生物量产量最高但作物产量没有显著差异的配置E是杨树农林业的最佳系统。最后，以杨树为基础的农林业为树木提供了高效的碳固存，可以保护所有市场和非市场利益。关键词：地上生物量，碳浓度，作物产量，生产力，三角杨，伊朗北部

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来源期刊

Baltic Forestry 农林科学-林学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal welcomes the original articles as well as short reports, review papers on forestry and forest science throughout the Baltic Sea region and elsewhere in the area of boreal and temperate forests. The Baltic Sea region is rather unique through its intrinsic environment and distinguished geographical and social conditions. A temperate climate, transitional and continental, has influenced formation of the mixed coniferous and deciduous stands of high productivity and biological diversity. The forest science has been affected by the ideas from both the East and West. In 1995, Forest Research Institutes and Universities from Estonia, Latvia and Lithuania joined their efforts to publish BALTIC FORESTRY.