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A Study on the Quality of Tuber silage of Jerusalem Artichoke ( Helianthus tuberosus L. )
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배합사료를 혼합한 돼지감자 ( Helianthus tuberosus L. ) 사일리지 제조시험

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Type
Academic journal
Author
고영두 (경상대학교 농과대학) 안병관 (경상대학교 농과대학)
Journal
THE KOREAN SOCIETY OF GRASSLSND SCIENCE 한국초지조사료학회지 한국초지조사료학회지 제7권 제3호 KCI Accredited Journals
Published
1987.1
Pages
157 - 161 (5page)

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A Study on the Quality of Tuber silage of Jerusalem Artichoke ( Helianthus tuberosus L. )
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In order to utilize the tuber of Jerusalem artichoke (Jerusalem tuberosus L.) which has been considered one of the most economical resources for bioenergy, the tubers of the plant were processed into silage in 11 lab-silo with three levels of mixture of concentrates i.e. 10, 20, 30%. The silage was stored for 20 to 40 days before analyses. The quality of silage was compared with those of the tube-only silage without concentrates. Aproximate composition, pH, ammonium nitrogen, total nitrogen, and organic acids were analyzed. The results obtained are summarized ; 1. With the mixture of concentrates, the water content of the silage was able to be adjusted to 70 percent and NDF significantly increased (P<0.05) while ADF significantly decreased. 2. The content of water-soluble carbohydrate (WSC) was significantly decreased in silages of the mixture of concentrate and the tuber (P<0.05), while total nitrogen and ammonium nitrogen increased. 3. Tube-only silage gave satisfaction in fermentation, particularly organic-acid fermentation. As the storage period extended, Flieg's score of the silage was improved. Conclusively, the tuber of Jerusalem artichoke found to satisfy the requirements of good silage and to be recommended as a good resource for all-inane silage provided the tuber was ensilaged with 20 to 30 percent concentrate.

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