高粱的产量形成与能量潜力乌克兰中部森林草原条件下的Moench生物量

О. P. Popova, М. І. Кulyk
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引用次数: 0

摘要

目的。乌克兰中部森林草原条件下高粱品种生物特征指标、生物量产量和能量潜力形成动态研究。方法。采用现场、实验室和统计方法。五个已注册的高粱品种,即“Huliver”,“Dovista”,“Zubr”,“Su”和“Tsukrove”作为研究对象。植物生物特征指标的测量、生物量产量和能量潜力的计算均按照公认的科学和方法建议进行。结果。高粱在“苗期-叶管形成期和叶管形成期-开花期”生长最快。在生长季节结束时,品种“Huliver”(237.2-245.1厘米),“Tsukrove”(218.0-227.2厘米)和“Dovista”(205.6-220.9厘米)的植物最高。“Hulliver”、“Tsukrove”和“Zubr”的光合叶面积最大,生物量最大,能量生产力(epr等于或大于60.0 GJ/ha)和能量效率系数(Kee等于或大于4.0)最高。结论。干残茬生物量产量最高的高粱品种为“Huliver”(15.4 t/ha)、“Tsukrove”(15.2 t/ha)和“Zubr”(12.5 t/ha)。相同品种具有较高的能量生产力(生物质储存的能量与用于生产生物质的能量之差),分别为65.3、64.9和56.8 GJ/ha, Kee值为4.0或更高,表明生物质生产效率的平均水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Yield formation and energy potential of Sorghum saccharatum (L.) Moench biomass under the conditions of the central Ukrainian Forest-Steppe
Purpose. Study of the dynamics of formation of biometric indicators, biomass yield and energy potential of sorghum varieties in the conditions of the Central ForestSteppe of Ukraine. Methods. Field, laboratory and statistical methods were used. Five registered varieties of sorghum, viz: ‘Huliver’, ‘Dovista’, ‘Zubr’, ‘Su’ and ‘Tsukrove’ served as the object of research. The measurement of biometric indicators of plants, the calculation of biomass yield and energy potential were carried out in accordance with approved scientific and methodological recommendations. Results. The most rapid growth in height of sorghum was observed during the interphases of “seedling – leaf-tube formation and leaf-tube formation – flowering”. At the end of the growing season, plants of the varieties ‘Huliver’ (237.2–245.1 cm), ‘Tsukrove’ (218.0–227.2 cm) and ‘Dovista’ (205.6–220.9 cm) were the tallest. ‘Hulliver’, ‘Tsukrove’ and ‘Zubr’ were characterized by the largest photosynthetic leaf area, they produced the largest biomass and were characterized by the highest energy efficiency of cultivation in terms of energy productivity (EPс equal to or greater than 60.0 GJ/ha) and energy efficiency coefficient (Kee equal to or greater than 4.0). Conclusions. The highest biomass yield by dry residue was found in the sorghum varieties ‘Huliver’ (15.4 t/ha), ‘Tsukrove’ (15.2 t/ha) and ‘Zubr’ (12.5 t/ha). The same varieties were characterized by high energy productivity (the difference between the energy stored in biomass and the energy used to produce it) – 65.3, 64.9 and 56.8 GJ/ha respectively, with a Kee value of 4.0 or more, which characterizes the average level of biomass production efficiency.
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