农业技术因素对大麻生产力的影响

L. Poiša, Lidia Antipova
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摘要

该主题的话题性是由于需要发展能源作物的生产,特别是大麻,鉴于有限的可用矿物质的热量供应的需要。大麻是一种具有广泛用途的有利可图的作物,适合用于生物燃料生产。为了进行这项研究,作者评估了农业技术因素对拉脱维亚用于生产固体燃料的大麻种子的播种生产力和质量指标的影响。对波兰大麻品种“Bialobrzeskie”和拉脱维亚大麻品种“Pūriņi”施用3剂氮肥进行了评价。采用分析方法,分为系统分析、统计分析和比较分析。应用的研究方法:在作物生产、田间和实验室中普遍接受的研究方法-阐明研究对象与农业技术和自然非生物因素的相互作用;计算和加权-确定作物的生产力;计算比较;数学和统计(分散)-用于评估研究结果的概率。结果表明,纤维性大麻茎干物质产量为6.5 ~ 11.0 t/ha,种子产量为0.7 ~ 1.4 t/ha。大麻的生产力在很大程度上取决于农业技术因素,特别是肥料的品种和施用,因为这些组成技术显著影响用于生产固体生物燃料的种子的产量和质量指标。在氮肥用量为N100的情况下,大麻品种“Pūriņi”的产量低于“Bialobrzeskie”。施氮量对土壤灰分、最高热值等能量参数有影响。研究表明,树干馏分对生产效率、最高热值和灰分含量有显著影响(Р<0.05)。科学上的新颖之处在于评估了氮肥的品种和剂量对生产力的影响,包括大麻的能量特性,实用价值在于通过正确选择氮肥的品种和优化氮肥的剂量来改进大麻的种植技术,以创造高质量的产品用于加热和使用无废物技术
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Influence of Agrotechnical Factors on Productivity Hemp (Cannabis sativa L.)
The topicality of the topic is due to the need to develop the production of energy crops, in particular hemp, given the limited amount of available minerals for the needs of heat supply. Hemp is suitable for biofuel production as a profitable crop with a wide range of uses. For the purpose of the study, the authors assessed the influence of agrotechnical factors on the productivity of sowing and quality indicators of hemp seeds for the production of solid fuel in Latvia. The Polish hemp variety “Bialobrzeskie” and the Latvian hemp variety “Pūriņi” were evaluated for application of 3 doses of nitrogen fertilizers. Analyzes are used, which are classified as systemic, statistical and comparative. Research methods are applied: generally accepted in crop production, field and laboratory – to clarify the interaction of the object of research with agrotechnical and natural abiotic factors; calculated and weighted – to determine the productivity of crops; calculation and comparison; mathematical and statistical (dispersion) – for assessing the probability of research results. It was determined that for fibrous hemp, the dry matter yield of the stem ranges from 6.5 to 11.0 t/ha, and the seed yield is 0.7-1.4 t/ha. The productivity of hemp significantly depends on agrotechnical factors, in particular, on the variety and application of fertilizers, because these component technologies significantly affect the yield and quality indicators of seeds for the production of solid biofuel. The hemp variety “Pūriņi” is less productive than the hemp variety “Bialobrzeskie”, even with the use of N100 nitrogen fertilizer dose. The dose of nitrogen fertilizers affects such energy parameters as ash content and the highest calorific value. The research revealed a significant (Р<0.05) influence of the trunk fraction on productivity, the highest calorific value and ash content. The scientific novelty is that the impact of the variety and doses of nitrogen fertilizers on productivity, including the energy properties of hemp, has been evaluated, and the practical value is in the improvement of the technology of growing hemp by correctly selecting the variety and optimizing the dose of nitrogen fertilizers to create high-quality products for heating and use of waste-free technologies
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