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Новости/Аналитика

Cannabis cultivars designated for bilateral use have the best biofuel potential

14.08.2020

Dual-use varieties have a higher economic value than varieties grown exclusively for fiber production. The profit of the best variety from grain sales and projected biofuel production is estimated at $ 1,564 per hectare.

According to a study from the University of Kentucky College of Agriculture, Food and the Environment, commercial, dual-use low-drug cannabis varieties show the best potential for biofuels and bio-products.

In experiments led by Jian Shi, Associate Professor at the Department of Biosystems and Agricultural Engineering, dual-use industrial hemp varieties (used as crops for seeds and stems) had better biofuel potential than plant varieties used exclusively for grain production.

The research by a team of specialists led by Mr. Shi was based on the results of previous experiments, which examined the possibility of using the hemp plant as a biofuel. The biofuel characteristics of industrial hemp have been compared with other bioenergy crops such as kenaf, millet and sorghum. In the course of the experiments, it was determined that hemp raw materials have significant potential in the production of biological materials, which are economically feasible to use as fuel in the future. In particular, according to Mr. Shi, “The biofuel market is subject to significant fluctuations as well as the hemp business. Therefore, it is very important that the grown crop can be used not only as the main raw material for cultivation, but that the agricultural producer has the opportunity to make the most of all the constituent plants in order to compensate for the potential losses that may arise in the event of downtrends in the market. It is industrial hemp that has great potential compared to other agricultural crops, which can be effectively used as biofuel. "

In the course of the study, Shea's team evaluated 11 varieties of technical hemp from around the world for the economic viability of using the plant. Six of the studied varieties are grown exclusively for fiber production, and five varieties are used for both fiber and seed production. The study examined the ability of each variety to produce biofuels, and also estimated the projected economic returns from selling the various constituents of the plant to the benefit of a particular consumer. The potential of different varieties as a cash crop for biofuels and bioproducts was compared using combined agronomic, experimental and economic analysis approaches. Compositional analysis of different plant varieties indicates large differences in glucan, xylan and lignin content among the tested hemp varieties, while theoretical ethanol yields range from 91 to 101 gallons per tonne dry hemp stem predicted based on glucan and xylan content. The results show a practical ethanol yield of 70-91 gallons / tonne of dry cannabis stalks.

According to agronomic data, the biomass yield of industrial hemp stalk per hectare ranged from 2933 to 8340 kg for varieties containing only fibers, and from 3582 to 7665 kg for dual-use varieties. In addition to stems, field trials of dual-use varieties showed grain yields from 555 to 1,083 kg / ha. Preliminary cost analysis shows that, in general, dual-use varieties have advantages over fiber-only varieties in terms of potential gross profit per hectare. Those. dual-use grades are more economically viable than grades grown exclusively for fiber production. The profit of the best variety from grain sales and projected biofuel production is estimated at $ 1,564 per hectare.

According to Mr. Shi, “Evaluations of the results of these experiments demonstrate that industrial hemp has significant potential to become a promising regional cash crop for both biofuels and high value added products. Further research is needed on crop agronomic practices, post-harvest handling, biofuel conversion and other potential by-products of industrial hemp cultivation. ”

Commentary of experts of the Association "Ukrainian technical hemp"

Research findings indicate that industrial hemp has tremendous potential to become a promising cash crop for both seed and fiber production and biofuel use. The calculation of the efficiency of growing technical hemp in Ukraine for grain and bilateral use is clearly demonstrated in the presentation “Modern hemp growing in Ukraine”, which is explained to the students of the “Hemp University” during the first day of training. Issues related to the provision of permits, as well as application algorithms and legal mechanisms for the use of the healing / medicinal properties of technical hemp of therapeutic orientation will become the basis for the round table “Experience in using therapeutic elements of technical hemp as raw materials for food, cosmetic preparations, biologically active or feed additives ", Which will be held during the second day of training for students of the" Hemp University ", which will be held in the second half of September on the basis of the National University of Bioresources and Nature Management of Ukraine.

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