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논문 기본 정보

자료유형
학술저널
저자정보
박문수 (축산시험장) 이종경 (축산시험장) 서성 (축산시험장) 한영춘 (축산시험장)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제7권 제2호
발행연도
1987.1
수록면
87 - 91 (5page)

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초록· 키워드

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This study was carried out to investigate the effects of different cutting times at 0, 10 and 20 days after lodging on the percentage of dead plants and bare ground, live and dead matter build-up, and botanical composition of orchardgrass dominated pasture during the mid summer season. For the test, a randomized block design with 3 replications was treated with 3 different cutting times (July 17, July 27 and Aug. 6). The results obtained are summarized as follows: 1. The percentage of dead plants with cutting times at 0, 10 and 20 days after lodging was 26.3,41.7 and 46.7'%, respectively. 2. The percentage of bare ground with cutting times at 0, 10 and 20 days after lodging was 13.3,26.7 and 3 1.7%, respectively. 3. Dead matter build-up with cutting times at 0, 10 and 20 days after lodging was increased significantly with later cutting (p<0.05). The ratio of live and dead matter build-up with cutting times at 0, 10 and 20 days after lodging was 90.2:9.8, 47.7:52.3 and 39.1:60.9%, respectively. 4. Regrowth yield after lodging was decreased significantly (p<0.05) with later cutting time. 5. The percentage of legumes in botanical composition was increased greatly with later cutting time. The ratio of grasses and legumes with cutting times at 0, 10 and 20 days after lodging was 77.8:21.6,45.5: 50.3 and 36.5:61.7%, respectively.

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