Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Jae-Hyun Ryu"'
Autor:
Dohyeok Oh, Jae-Hyun Ryu, Hoejeong Jeong, Hyun-Dong Moon, Hyunki Kim, Euni Jo, Bo-Kyeong Kim, Subin Choi, Jaeil Cho
Publikováno v:
Agronomy, Vol 13, Iss 12, p 2887 (2023)
Rice is one of the major food crops, particularly in Asia. However, it is vulnerable to high temperature and has high yield fluctuations. Monitoring crop growth and physiological responses to high temperatures can help us better understand the agricu
Externí odkaz:
https://doaj.org/article/a3e4c8fb77bc46048c5b6db7b4f28cd6
Publikováno v:
Journal of Integrative Agriculture, Vol 20, Iss 7, Pp 1969-1986 (2021)
A spectral reflectance sensor (SRS) fixed on the near-surface ground was developed to support the continuous monitoring of vegetation indices such as the normalized difference vegetation index (NDVI) and photochemical reflectance index (PRI). NDVI is
Externí odkaz:
https://doaj.org/article/938e185bf9424aa19f208e82dc84b3a4
Publikováno v:
Agronomy, Vol 12, Iss 8, p 1972 (2022)
Extremely high air temperature at the heading stage of paddy rice causes a yield reduction due to the increasing spikelet sterility. Quantifying the damage to crops caused by high temperatures can lead to more accurate estimates of crop yields. The r
Externí odkaz:
https://doaj.org/article/7c2ffb53577a4623abfc6237e6809cf4
Autor:
Dohyeok Oh, Jae-Hyun Ryu, Sehee Oh, Hoejeong Jeong, Jisung Park, Rae-Dong Jeong, Wonsik Kim, Jaeil Cho
Publikováno v:
The Plant Pathology Journal, Vol 34, Iss 3, Pp 236-240 (2018)
Crop yield is critically related to the physiological responses and disease resistance of the crop, which could be strongly affected by high temperature conditions. We observed the changes in the growth of barley under higher than ambient air-tempera
Externí odkaz:
https://doaj.org/article/b0cb50a6d4c34063a5946ffd0cdbf543
Publikováno v:
Remote Sensing, Vol 12, Iss 18, p 2980 (2020)
Remote sensing techniques using visible and near-infrared wavelengths are useful for monitoring terrestrial vegetation. The normalized difference vegetation index (NDVI) is a widely used proxy of vegetation conditions, and it has been measured at var
Externí odkaz:
https://doaj.org/article/2c850f5beb3c4699a3db870f960f9c82
Publikováno v:
Remote Sensing, Vol 12, Iss 16, p 2654 (2020)
Spectral reflectance-based vegetation indices have sensitive characteristics to crop growth and health conditions. The performance of each vegetation index to a certain condition is different and needs to be interpreted, correspondingly. This study a
Externí odkaz:
https://doaj.org/article/1b31c3550a6a4488a719ef012fd8b4d5
Autor:
Jae-Hyun Ryu, Kyung-Soo Han, Yang-Won Lee, No-Wook Park, Sungwook Hong, Chu-Yong Chung, Jaeil Cho
Publikováno v:
Remote Sensing, Vol 11, Iss 15, p 1773 (2019)
Satellite-based remote sensing techniques have been widely used to monitor droughts spanning large areas. Various agricultural drought indices have been developed to assess the intensity of agricultural drought and to detect damaged crop areas. Howev
Externí odkaz:
https://doaj.org/article/ffb3d06a76b247ed9667d85f7f77a810
Publikováno v:
Remote Sensing, Vol 10, Iss 6, p 918 (2018)
The worst forest fire in South Korea occurred in April 2000 on the eastern coast. Forest recovery works were conducted until 2005, and the forest has been monitored since the fire. Remote sensing techniques have been used to detect the burned areas a
Externí odkaz:
https://doaj.org/article/3a80d7ce859a44f8a94c620cd437a2f1
Autor:
Duk Yoon Kim1 dykim@cu.ac.kr, Jae Hyun Ryu2, Tag Keun Yoo3, Yun Beom Kim2, Tae Young Jung2, Woo Jin Ko4, Eun Kyoung Yang5
Publikováno v:
Investigative & Clinical Urology. Jan2024, Vol. 65 Issue 1, p40-52. 16p.
Publikováno v:
Korean Journal of Soil Science and Fertilizer. 55:361-368
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ded052815b13ad53e5a9daacd7dfcfeb
https://doi.org/10.7745/kjssf.2022.55.4.361
https://doi.org/10.7745/kjssf.2022.55.4.361