지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.11
- 수록면
- 589 - 599 (11page)
이용수
초록· 키워드
오류제보하기
Unmanned Aerial Vehicle (UAV)s have a high resolution of around 10 cm, and can acquire images with lower cost when we want. The purpose of this study was to estimate the winter wheat nitrogen content, biomass and grain yield using UAV image. We collected the time series UAV aerial images at the upland and the data were compared with the wheat nitrogen contents, biomass and yield in the experimental sites. Correlation coefficient (R) between the vegetation indices (NDVI, GNDVI, RVI, GRVI, NDRE) and wheat nitrogen contents were more than 0.8 from early-April to late-April. Correlation coefficient (R) between the vegetation indices (NDVI, GNDVI, RVI, GRVI, NDRE) and wheat biomass, grain yield, and crude protein were from 0.7 to 0.8 from early-April to late-April. Using these results, we were able to make the distribution map of the wheat nitrogen, biomass and yield. In the future, it will be necessary to study to recommend supplemental fertilization to ensure the wheat yield using UAV images information.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (22)
참고문헌 신청
Agren, G.I. 1985. Theory for growth of plants derived from the nitrogen productivity concept. Physiologia Plantarum. 64:17-28.
Chung, S.O., W.K. Park, Y.C. Chang, D.H. Lee, and W.P. Park. 1999. Yield mapping of a small sized paddy field. J. Biosyst. Eng. 24(2):135-144 (in Korean).
Gitelson, A.A., Y.J. Kaufman, and M.N. Merzlyak. 1996. Use of a green channel in remote sensing of global vegetation from EOS-MODIS. Remote Sensing of Environment. 58:289-298.
Givens, D.I., T.W. Davies, and R.M. Laverick. 2004. Effect of variety, nitrogen fertilizer and various agronomic factors on the nutritive value of husked and naked oats grain. Animal Feed Science and Technology. 13:168-181.
Jordan, C.F. 1969. Derivation of leaf area index from quality of light on the forest floor. Ecology. 50:663-666.
Chung, S.O., W.K. Park, Y.C. Chang, D.H. Lee, and W.P. Park. 1999. Yield mapping of a small sized paddy field. J. Biosyst. Eng. 24(2):135-144 (in Korean).
Gitelson, A.A., Y.J. Kaufman, and M.N. Merzlyak. 1996. Use of a green channel in remote sensing of global vegetation from EOS-MODIS. Remote Sensing of Environment. 58:289-298.
Givens, D.I., T.W. Davies, and R.M. Laverick. 2004. Effect of variety, nitrogen fertilizer and various agronomic factors on the nutritive value of husked and naked oats grain. Animal Feed Science and Technology. 13:168-181.
Jordan, C.F. 1969. Derivation of leaf area index from quality of light on the forest floor. Ecology. 50:663-666.
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