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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 510 - 519 (10page)
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One of the most pressing issues facing the dairy industry is drought. In areas where annual precipitation is low, irrigation for growing feed presents the greatest water-utilization challenge for dairy producers. Here, we investigated the effects of cultivar and harvest days after planting (DAP) on dry matter (DM) yield and nutritive value of teff (Eragrostis tef), a warm-season annual grass native to Ethiopia that is well adapted to drought conditions. Eighty pots were blocked by location in a greenhouse and randomly assigned to four teff cultivars (Tiffany, Moxie, Corvallis, and Dessie) and to five harvest times (40, 45, 50, 55, or 60 DAP). Cultivars had no effect on DM yield and nutritive value. As harvest time increased from 40 to 60 DAP, DM yield and ash-free neutral detergent fiber (aNDFom) concentrations increased, while crude protein (CP) concentrations and in vitro NDF digestibility decreased. To assess carryover effects of time of harvest on yield and nutritive value, two additional cuttings were taken from each pot. Increasing first-cutting harvest time decreased CP concentrations in the second cutting and reduced DM yields in the second and third cutting. Harvesting teff between 45 and 50 DAP best optimized forage yield and nutritive value in the first and subsequent cuttings.
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참고문헌 (30)
참고문헌 신청
Innovation Center for U.S. Dairy / U.S. dairy’s environmental footprint
John A. Cross / 2015 / Change and Sustainability Issues in America's Dairyland / Focus on Geography 58(4):173~183
Melak H. Mengesha / 1966 / Chemical composition of teff (Eragrostis tef) compared with that of wheat, barley and grain sorghum / Economic Botany 20(3):268~273
Miller D / Teff grass: crop overview and forage production guide
United States Department of Agriculture / 2019 / Crop production 2018 summary
John A. Cross / 2015 / Change and Sustainability Issues in America's Dairyland / Focus on Geography 58(4):173~183
Melak H. Mengesha / 1966 / Chemical composition of teff (Eragrostis tef) compared with that of wheat, barley and grain sorghum / Economic Botany 20(3):268~273
Miller D / Teff grass: crop overview and forage production guide
United States Department of Agriculture / 2019 / Crop production 2018 summary
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