국가연구개발성과
논문 (학술지)
중부 평야지에서 사료용 벼 주요품종의 수확시기 별 사료가치 및 수량성
| 등록번호 | RPMS-2019-0090732300 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
비SCI |
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| 저자명 (주·공동저자) | 안억근 ; 원용재; 박향미; 정국현; 현웅조 ※ 과제 참여정보와 일치하는 연구자 상세정보로 정확하지 않을 수 있습니다. 동일저자 논문보기 |
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| 논문구분 | 국내전문학술지 | 학술지명 | 한국작물학회지 |
| ISSN | 0252-9777 | 학술지 출판일자 | - |
| 학술지 볼륨번호 | 63 | 논문페이지 | 294 ~ 303 |
| 학술지 임팩트팩터 | 0.4638 | 기여율 | 100 % |
| DOI | 10.7740/kjcs.2018.63.4.294 | ||
| 초록 | ABSTRACT To set an optimal harvest time for five main whole-crop silage(WCS) rice cultivars, Nokyang (Ny), Mogwoo (Mw), Mogyang (My), Nokwoo (Nw) and Yeongwoo(Yw), based on feed value and dry matter yield, we analyzed water content (WC), feed values such as percent crude protein (CP), crude fat (CF), crude ash (CA), neutral detergent fiber (NDF), acid detergent fiber (ADF), estimated total digestible nutrients (TDN), and calculated their dry matter yield (DMY). These parameters were estimated at the booting stage and every 10 days from start of heading to 45 days after heading (DAH) to identify the optimal harvest time for these rice varieties. In all varieties, except Ny, the WC was about 65% on the 30th DAH. In terms of WC, it is judged that there would be no major problem in preparing high quality silage when harvested between 20∼30 DAH for Ny and about 30 days for the other cultivars. The CP and CA decreased significantly as the harvest time was delayed in all varieties (p<0.05). However, the CF in the tested varieties generally declined as DAH increased, and then increased again(p<0.05). The decrease in ADF and NDF was significantly different from the booting stage to 45 DAH in all varieties (p<0.05) and the estimated TDN increased gradually in all varieties as the harvest time was delayed. The TDN of all varieties, except Nw, was over 70% around 30 DAH. As harvest time was delayed, the DMY for all WCS rice increased significantly (p<0.05). The maximum DMY for each cultivar was observed at 45 DAH, however, no significant difference (p<0.05) was seen after 40 DAH for Ny and Yw, 30 DAH for Mw and Nw, and 20 DAH for My. Considering these results and others factors such as lodging, shattering, digestibility of grains, conversion of eating rice, etc., the optimal harvest time for silage use of all WCS rice tested was generally the yellow ripening stage, at about 30 DAH (30∼40 DAH for Ny and Mw, and 30 DAH for My, Nw and Yw) | ||
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