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논문 기본 정보

자료유형
학술저널
저자정보
이주삼 (연세대학교 농업개발원) 윤용범 (건국대학교 축산대학) 김성규 (건국대학교 축산대학) 윤익석 (건국대학교 축산대학)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제7권 제1호
발행연도
1987.1
수록면
37 - 41 (5page)

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The purpose of this study is to clarify the effect of top dressing on the thatch losses in bentgrass (Agrostis palustris). Top dressing materials used were clay loam, sand, zeolite, and sawdust. Data were taken on July 10 ($T_1$), Aug. 7 (($T_2$ ) and Sept. 4 (($T_3$) respectively. The results are summarized as follows: 1. The dry weight of accumulated thatch was significantly different between treatments and dates of survery, and for the interaction of treatment x date of survey. 2. The dry weight of accumulated thatch showed a tendency to decrease as growth progressed in all treatments. (Table 1) The dry weight of accumulated thatch was the smallest at sand but the largest at clay loam in each date of survey. 3. The losses rate of accumulated thatch showed a tendency to slightly increase as affected by top dressing materials. (Table 2) Sand showed a significantly higher losses rate of accumulated thatch than that of other treatments. 4. The dry weight of accumulated thatch showed a significant negative correlation (p<0.01) with the losses rate of accumulated thatch. (Fig. 1) 5. Turf coverage was significant difference between treatments and dates of survey. 6. Turf coverage showed a tendency to increase as growth progressed in all treatments. (Table 3) 7. Turf coverage indicated significant negative correlation (p<0.001) with the dry weight of accumulated thatch. (Fig. 2)

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