Assessment of Areal Methane Yields from Energy Crops in Ukraine, Best Practices

Morozova, Ievgeniia; Oechsner, Hans; Roik, Mykola; Hülsemann, Benedikt; Lemmer, Andreas

doi:10.3390/app10134431

Cited by 7 publications

(4 citation statements)

References 35 publications

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“…Hence, farmers must balance the maximum biomass yield and optimal feedstock quality for methane production. A few related studies involving regional settings and the availability of sorghum varieties were recently performed (Hassan et al, 2019; Morozova et al, 2020; Wannasek et al, 2017, 2019). However, to the best of our knowledge, no studies have focused on the impact of the sorghum biomass quality on the ensilability with regard to the SMY.…”

Section: Introductionmentioning

confidence: 99%

Effects of sorghum biomass quality on ensilability and methane yield

et al. 2021

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Sorghum is currently being introduced in the temperate regions of Europe. It is characterized by good digestibility and high biomass yields, which make it a useful crop for anaerobic digestion. In this study, six commercial sorghum varieties comprising four different cultivars of Sorghum bicolor L. Moench and two interspecific sorghum hybrids (Sorghum sudanense L. × S. bicolor L. Moench) were harvested on two different dates during the years 2016 and 2017 at two diverse soil‐climate sites in Germany. The fresh harvested material and silages were analyzed to examine the ensilability of the different varieties with contrasting maturity characteristics. Subsequently, methane production experiments were performed to determine the specific methane yield (SMY) of the samples. The sorghum fresh matter (FM) varied among the sorghum types, including the parameters total solids (TS; 22.69%–46.93%FM), water‐soluble carbohydrates (2.68%–11.38%TS), and nitrates (0%–0.35%TS). The excellent ensiling ability of all the sorghum types analyzed was confirmed by evaluating the fermentation profile (pH range of 3.7–4.6; dominant presence of lactic acid [LA]; acetic acid [AA] in the range of 0.70%–2.38%TS; insignificant amount of butyric acid). The SMY ranged between 231.25 and 321.31 Ln kg−1 VS and tended to decrease with the increasing harvest time and maturity. LA and AA were positively correlated with the SMY, while the neutral detergent fiber content was negatively correlated with it. The SMY—a key parameter reflecting the crop biomass quality for biogas production—was slightly higher for S. bicolor than for the sorghum hybrids. However, the results of this study confirmed that if the final purpose is biomethanation, the ensilability of different sorghum types imposes no restriction. Furthermore, different sorghum types offer a wide harvest window, which can be useful for cropping schemes, ensiling, and methane production.

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Section: Introductionmentioning

confidence: 99%

Effects of sorghum biomass quality on ensilability and methane yield

et al. 2021

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“…In recent reports, Iran, due to its field experience, has reported its ability to plant Paulownia in an area of approximately 16 × 10 4 km 2 (Galán-Martín et al, 2015;Abbasi et al, 2020). More importantly, several nations are beginning to advance in this area, such as Portugal (Abreu et al, 2020), Iran (Abbasi et al, 2020), Spain (Parra-Lopez et al, 2015;Pleguezuelo et al, 2015), Romania (BUZAN et al, 2018), Italy (Testa et al, 2022), Serbia (Janjić and Janjić, 2019), Ukraine (Morozova et al, 2020;Kaletnik et al, 2021), Northern Ireland (Woods, 2008a;Olave et al, 2015), and Kyrgyzstan (Thevs et al, 2021).…”

Section: Paulownia As a Sustainable Model For Co 2 Mitigationmentioning

confidence: 99%

Paulownia trees as a sustainable solution for CO2 mitigation: assessing progress toward 2050 climate goals

Ghazzawy,

Bakr,

Mansour

et al. 2024

Front. Environ. Sci.

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Due to the progressive climate change on our planet, scientists are interested in solving this issue since it threatens not only certain regions or countries but also the world’s ecosystems and economies. Therefore, minimizing carbon dioxide (CO2) emissions and reducing atmospheric levels are global priorities. Thus, it is necessary at this moment to develop an appropriate approach to reduce or stabilize CO2 levels in the atmosphere. However, CO2 capture projects are long-term, low-profitable, and high-risk environmental projects. Consequently, it is necessary to find an appropriate and sustainable CO2 capture approach that is efficient in reducing atmospheric CO2 levels while having a safe impact on the environment. Although carbon (C) is the key basic component used to produce biological compounds by photosynthetic organisms in terrestrial plants, the C pathway is a key factor affecting the capture of CO2 by photosynthetic organisms. Among photosynthetic organisms, Paulownia, a multipurpose tree, is popular around the world for its timber and its potential role in CO2 sequestration. Paulownia spp. belongs to the Paulowniaceae family and comprises a group of trees. These trees are primarily found in southeastern Asia, particularly in China, and have been intentionally grown for more than two millennia due to their ornamental, cultural, and medicinal value. The number of Paulownia species varies depending on taxonomic classification, ranging from 6 to 17. Among them, Paulownia tomentosa, Paulownia elongata, Paulownia fortunei, and Paulownia catalpifolia are the most widely recognized and favored species. The present review provides a comprehensive technical-economic scenario for the capture of one million tons of CO2 by Paulownia trees (as a terrestrial plant model, grown on 2,400 ha−1). P. tomentosa can be utilized in agroforestry systems to mitigate greenhouse gas (GHG) emissions within urban cities and emphasize the carbon storage potential of agroforestry. In conclusion, Paulownia trees as an environmental mass project showed great encouragement to investors and governments to expand these types of projects to achieve global climate goals by 2050.

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“…Data on biomethane production potential are presented in other publications. The Helianthus annuus substrates have a biomethane potential of 190-454 l kg −1 vs. [63,[112][113][114]; Silphium perfoliatum substrate 280-300 l kg −1 vs. [10,28,29,33,[41][42][43]115,116]; Cynara cardunculus substrates-209-293 l kg −1 vs. [117,118]; Medicago sativa substrates 248-410 l kg −1 vs. [71,92,97,119], Galega orientalis substrates 244-384 l kg −1 vs. [73,120], Glycine max substrate-266 l kg −1 vs. [121], Phacelia tanacetifolia substrates 217-300 l kg −1 vs. [42,92,122], Malva crispa substrate 237 l kg −1 vs. [97], Sida hermaphrodita substrates-131-394 l kg −1 vs. [28,[41][42][43]97,100,115], Triticum aestivium substrate-369-390 l kg −1 vs. [119,123], Pennisetum glaucum substrates 257-278 l kg −1 vs. [63,119].…”

Section: Biochemical Composition and Fodder Value Of Fresh Mass And B...mentioning

confidence: 99%

A Comparative Study on the Characteristics of Seeds and Phytomass of New High-Potential Fodder and Energy Crops

et al. 2023

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The purpose of this research is to capitalise on the potential of non-traditional plant species in the Republic of Moldova from the families Asteraceae (cup plant Silphium perfoliatum; cardoon Cynara cardunculus), Fabaceae (fodder galega Galega orientalis, sand sainfoin Onobrychis arenaria), Hydrophylaceae (phacelia Phacelia tanacetifolia), Malvaceae (curly mallow Malva crispa; Virginia mallow Sida hermaphrodita) and Poaceae (perennial sorghum Sorghum almum, pearl millet Pennisetum glaucum). The study presents the research results on the seed properties (dimensional parameters, structure, friability, apparent specific mass, mass of 1000 seeds) and on the phytomass quality of the above-mentioned plants. The obtained results demonstrate that the criterion of dimensional proportionality Kdp, proposed in this paper, effectively reflects the structure of the seeds; the seeds of new crops (except phacelia) have high friability (angle of repose α ≤ 33° and angle of static friction on steel α1 ≤ 27.8°, on wood α1 = 34.7°, on enamelled surface α1 = 30°). The natural fodder from the researched species is characterised by a crude protein content of 9.0–23.4%, dry matter digestibility of 56.0–66.5%, digestible energy load of 11.16–12.95 MJ kg−1, metabolizable energy of 9.16–10.63 MJ kg−1, net energy for lactation of 5.18–6.76 MJ kg−1, and relative feed value RFV = 74–129. The biochemical biomethane potential from studied vegetal substrates is 297–353 l kg−1 VS.

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Assessment of Areal Methane Yields from Energy Crops in Ukraine, Best Practices

Cited by 7 publications

References 35 publications

Effects of sorghum biomass quality on ensilability and methane yield

Effects of sorghum biomass quality on ensilability and methane yield

Paulownia trees as a sustainable solution for CO2 mitigation: assessing progress toward 2050 climate goals

A Comparative Study on the Characteristics of Seeds and Phytomass of New High-Potential Fodder and Energy Crops

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