| Summary: | 碩士 === 國立臺灣大學 === 農業經濟學研究所 === 106 === Sweet potato is the main grain crops in Taiwan in the early time. It also has many
advantages such as easy cultivation, high yield per hectare area, and rich nutrition. In
recent years, with the income rise and the concept of health promoting, the utilization of
sweet potato has been transformed into consumption oriented.
This study uses in-depth interview to collect information and opinions. To explore
the development of sweet potato industry in Taiwan, production and marketing of sweet
potato, commodity value and marketing channels have been analyzed to estimate the
profitability of farmers and agribusiness enterprises in fresh and processed products
(including sweet potato skins). It was found that the total farm revenue from sweet
potato sales was NT$355,235 per hectare in 2016 with the gross revenue of
NT$254,266, and the gross profit margin of 71.58%. If the sweet potato were
processed by agribusiness enterprises into roasted products, the gross profit margin
would be 59.49%. If the sweet potato were processed into sweet potato fries, the gross
margin would be reduced to 47%. If the sweet potato skins was processed by
biotechnology enterprises into biotech nutrition products, the gross profit margin would
be 58.6%.
To summarise, this study indicates that the development of sweet potato industry
in Taiwan is full of market opportunities. We that the introduction of biotechnology is
an important way to create the new processing and utilization of sweet potato
by-products. To enhance the competitiveness of sweet potato industry in Taiwan, we
must strengthen the commercialization of biotechnology, establish spcilized marketing
channel and brand marketing, as well as maximize the value-added of product lines. In
this way, it can promote the vigorous development of sweet potato industry and bring in
new opportunities for agriculture in Taiwan.
Keywords: Sweet potato, Sweet potato skin, In-depth
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