Biomass analysis of industrial hemp “Felina 32” and the influence of plant height on its quality

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Bioresources Pub Date : 2024-07-24 DOI:10.15376/biores.19.3.6380-6402

E. Zvicevicius, Kęstutis Žiūra, V. Tilvikienė, Aušra Bakšinskaitė

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Abstract

The “Felina 32” variety of industrial hemp (Cannabis sativa L.) is among the most popular cultivated varieties in Lithuania. In 2020 to 2021, the height of the above-ground portion of “Felina 32” ranged from about 1.37 to 2.52 m. In the less favorable year of 2021, 9.8% lower height and 28.5% lower mass plants grew. However, the impact of meteorological conditions on their comparative indicators was not confirmed. Two critical intervals were distinguished, which essentially influence the dynamics of plant growth: crop density of 90 to 150 plants∙m2 and plant height of 1.9 m to 1.99 m. Lower crop density results in larger plants, and plants taller than 1.9 m gain mass 2.58 times faster than shorter plants. In addition, industrial hemp of different heights is characterized by differences in the development of morphological parts. This directly affects the physical and chemical properties of biomass. It was determined that when the height of “Felina 32” variety changes, the heat value of biomass increases 0.342 MJ/kg, carbon concentration increases 0.70%, and ash content, sulfur, nitrogen, and chlorine concentrations decreased.

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工业大麻 "Felina 32 "的生物量分析以及植株高度对其质量的影响

工业大麻（Cannabis sativa L.）品种 "Felina 32 "是立陶宛最受欢迎的种植品种之一。2020 年至 2021 年，"Felina 32 "地上部分的高度在 1.37 米至 2.52 米之间。不过，气象条件对其比较指标的影响并未得到证实。作物密度越低，植株越大，高度超过 1.9 米的植株的质量增长速度是矮小植株的 2.58 倍。此外，不同高度的工业大麻在形态部分的发育上也存在差异。这直接影响到生物质的物理和化学特性。据测定，当 "Felina 32 "品种的高度发生变化时，生物质的热值增加 0.342 兆焦/千克，碳浓度增加 0.70%，灰分含量、硫、氮和氯浓度降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Bioresources 工程技术-材料科学：纸与木材

CiteScore

2.90

自引率

13.30%

发文量

397

审稿时长

2.3 months

期刊介绍： The purpose of BioResources is to promote scientific discourse and to foster scientific developments related to sustainable manufacture involving lignocellulosic or woody biomass resources, including wood and agricultural residues. BioResources will focus on advances in science and technology. Emphasis will be placed on bioproducts, bioenergy, papermaking technology, wood products, new manufacturing materials, composite structures, and chemicals derived from lignocellulosic biomass.