지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.6
- 수록면
- 120 - 129 (10page)
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This experiment was conducted to find the most suitable crop establishment method and weed management practices for transplanted aman rice in Bangladesh. Rice variety Bangladesh Rice Research Institute (BRRI) dhan44 was used as planting materials where three crop establishment methods (T₁: direct wet seeding by drum seeder; T₂: hand broadcasting; T₃: transplanting) and four weeding options (W₁: Hand weeding (HW); W₂: BRRI weeder+HW; W₃: Herbicide+HW; and W4: no weeding) were tested. Among the crop establishment methods, the highest grain yield (5.12 t ㏊<SUP>-1</SUP>) was obtained with the T₃, while the highest benefit cost ratio (BCR) of 2.08 was found in T₂. In case of the weed management method, W1 showed superior results on the plant density/㎡ (139.66) at 60 days after transplanting (DAT), grain yield (4.97 t ㏊<SUP>-1</SUP>), and BCR (2.03). On the other hand, the highest plant dry matter (36.20 g) at 60 DAT and the highest yield (6.10 t ha<SUP>-1</SUP>) were obtained in a T₃W₁ combination. The results of this study show that the productivity of rice during aman season could be most significantly increased with the use of transplanting (T₃) alone, hand weeding (W₁) alone, or a combination of the two methods (T₃W₁).
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
CONCLUSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2019-523-000139776