不同播量下不同糖高粱杂交种茎部生物乙醇产量

P. Piasetskyi, A. Morhun, K. Leonova, V. Liubych
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The highest yield of dry mass was obtained at a density of 200 thousand pcs/ha in Zubr and Mamont hybrids – 19.3–20.0 t/ha. The yield of dry mass at the level of 14.0–17.5 t/ha was obtained for the cultivation of Favoryt, Medovyi, Verblid and Sokhatyii hybrids with a sowing rate of 150–200 thousand pcs/ha. The highest yield at sowing rates of 75 thousand pcs/ha was provided by the cultivation of Mamont, Verbluid and Sokhatyi hybrids – 12.4–13.7 t/ha. It was found that stem sugar content decreased significantly with the increase in plant sowing rate. In addition, in the stems of Zubr and Verb­luid hybrids, sugar content was significantly higher compared to other hybrids - 17.0–18.9%, depending on sowing rate. The highest bioethanol yield was provided by the cultivation of Zubr, Mamont, Verbluid and Sokhatyi hybrids with a sowing rate of 200 thousand pcs/ha – 6 467–7 215 l/ha. At this sowing rate, the bioethanol yield in other hybrids was at the level of 5563–5658 l/ha. 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引用次数: 0

摘要

的目标。测定不同播量下糖高粱茎部生物乙醇产量。方法。实地建立和进行研究,物理-确定植物营养质量的产量,化学-确定茎糖含量,分析和统计。结果。本文介绍了播种量为75、10、15、20万株/公顷的糖高粱杂交种的营养质量、干质量、茎糖含量、生物乙醇产量的研究结果。结果表明,在播种率最高的变异中,Mamont、Verbliud和Sokhatyii杂交种的绿色质量产量提高到82.9 ~ 92.6 t/ha, Zubr、Favoryt和Medovyi杂交种的绿色质量产量提高到72.6 ~ 78.6 t/ha。祖布尔和马蒙杂交品种干质量最高产量为19.3-20.0吨/公顷,密度为20万匹/公顷。在播量为15 ~ 20万株/公顷的条件下,杂交品种Favoryt、medoyi、Verblid和Sokhatyii的干质量产量为14.0 ~ 17.5 t/公顷。播种量最高的是马蒙、威布卢德和索哈伊杂交品种,播种量为7.5万株/公顷,产量为12.4-13.7吨/公顷。结果表明,随着播种量的增加,茎糖含量显著降低。此外,根据播种量的不同,Zubr和Verb-luid杂交种茎部的含糖量显著高于其他杂交种(17.0 ~ 18.9%)。Zubr、Mamont、Verbluid和Sokhatyi杂交品种的生物乙醇产量最高,播种量为20万株/公顷- 6 467 ~ 7 215升/公顷。在此播量下,其他杂交种的生物乙醇产量为5563 ~ 5658 l/ha。稳定性指数在0.31 ~ 0.88之间变化。结论。在右岸森林草原条件下,糖高粱茎的生物乙醇产量随杂交和播种量的不同而变化。在Zubr、Mamont、Verbluid和Sokhatyi杂交种播种量为20万单位/ha的生长条件下,生物乙醇产量为6467 ~ 7215 l/ha。此外,生物乙醇产量受天气条件的影响。在较有利的天气条件下,播种量为20万株/公顷的祖布尔、马蒙、维布卢伊和索哈伊杂交品种,该指标为8.508 ~ 9.149 l/公顷,较不利的天气条件下,该指标为3.784 ~ 5.922 l/公顷,为1.4 ~ 2.4倍。
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Bioethanol yield from stems of different sugar sorghum hybrids at different sowing rates
Aim. To determine bioethanol yield from sugar sorghum stems at different plant sowing rates. Methods. Field – establishing and conducting research, physical – determining the yield of plant vegetative mass, chemical – determining stem sugar content, analysis and statistical. Results. The article presents the study results of the yield of vegetative and dry mass, stem sugar content, bioethanol yield for the cultivation of various hybrids of sugar sorghum with a sowing rate of 75, 100, 150 and 200 thousand psc/ha. It was found that in the variant with the highest sowing rate, the green mass yield of Mamont, Verbliud and Sokhatyii hybrids increased to 82.9–92.6 t/ha, and that of Zubr, Favoryt and Medovyi ones increased to 72.6–78.6 t/ha. The highest yield of dry mass was obtained at a density of 200 thousand pcs/ha in Zubr and Mamont hybrids – 19.3–20.0 t/ha. The yield of dry mass at the level of 14.0–17.5 t/ha was obtained for the cultivation of Favoryt, Medovyi, Verblid and Sokhatyii hybrids with a sowing rate of 150–200 thousand pcs/ha. The highest yield at sowing rates of 75 thousand pcs/ha was provided by the cultivation of Mamont, Verbluid and Sokhatyi hybrids – 12.4–13.7 t/ha. It was found that stem sugar content decreased significantly with the increase in plant sowing rate. In addition, in the stems of Zubr and Verb­luid hybrids, sugar content was significantly higher compared to other hybrids - 17.0–18.9%, depending on sowing rate. The highest bioethanol yield was provided by the cultivation of Zubr, Mamont, Verbluid and Sokhatyi hybrids with a sowing rate of 200 thousand pcs/ha – 6 467–7 215 l/ha. At this sowing rate, the bioethanol yield in other hybrids was at the level of 5563–5658 l/ha. In addition, stability index varied from 0.31 to 0.88. Conclusions. In the conditions of the Right Bank Forest Steppe, bioethanol yield from sugar sorghum stems varies depending on the hybrid and plant sowing rate. Under the growing conditions of Zubr, Mamont, Verbluid and Sokhatyi hybrids with a sowing rate of 200 thousand units/ha, bioethanol yield is 6467–7215 l/ha. In addition, biothenol yield is affected by weather conditions. In more favorable weather conditions, this indicator is 8.508–9.149 l/ha in Zubr, Mamont, Verbluid, and Sokhatyi hybrids with a sowing rate of 200 thousand pcs/ha, and in less favorable conditions, it is 3.784–5.922 l/ha or less by 1.4–2.4 times.
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