Zobrazeno 1 - 10
of 1 469
pro vyhledávání: '"leaf chlorophyll"'
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 132, Iss , Pp 104052- (2024)
Accurate and non-destructive estimation of leaf chlorophyll content (LCC) is crucial for optimizing cotton production. This study enhances the SCOPE model by integrating unmanned aerial vehicle (UAV)-derived multispectral data with leaf area index (L
Externí odkaz:
https://doaj.org/article/f19eeaa9b2df4ff193aaacc1cebfe9da
Publikováno v:
Smart Agricultural Technology, Vol 8, Iss , Pp 100466- (2024)
Current remote sensing technologies employing Unmanned Aerial Vehicles (UAVs) for farm monitoring have shown promise in characterizing the environment through diverse sensor systems, including hyperspectral cameras, LiDAR, thermal cameras, and RGB se
Externí odkaz:
https://doaj.org/article/57dc1fa03e2942ab93795a901b30e5e4
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 4062-4070 (2024)
Leaf chlorophyll content (LCC) is an important indicator of nitrogen content, and therefore, the accurate monitoring of LCC will benefit agronomists in guiding fertilizer applications. Remote sensing techniques have been widely used to estimate LCC f
Externí odkaz:
https://doaj.org/article/b5577bb05d5f49549430366990079d8a
Autor:
Xiaohan Wang, Jing Li, Hu Zhang, Qinhuo Liu, Liangyun Liu, Chenpeng Gu, Faisal Mumtaz, Jing Zhao, Yadong Dong, Junhua Bai, Tianjia Chu, Chang Liu, Li Guan, Wenjiang Huang
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 130, Iss , Pp 103930- (2024)
Leaf chlorophyll content (LCC) is crucial in plant physiology and ecological research. Although several LCC products have recently been generated at a regional or global scale, understanding their accuracy is still a concern in the scientific communi
Externí odkaz:
https://doaj.org/article/8bbdacb5a1384f8d859170fb01225765
Publikováno v:
GCB Bioenergy, Vol 16, Iss 5, Pp n/a-n/a (2024)
Abstract For sustainable biomass production of Miscanthus × giganteus (hereafter miscanthus), understanding the impact of stand age and nitrogen (N) fertilization on biomass yield is crucial. This study investigated the effects of varying N fertiliz
Externí odkaz:
https://doaj.org/article/5549a249a1c040beb80fa9ba83e84584
Autor:
Chunmei He, Jia Sun, Yuwen Chen, Lunche Wang, Shuo Shi, Feng Qiu, Shaoqiang Wang, Torbern Tagesson
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 272-288 (2023)
The ratio of leaf carotenoid to chlorophyll (Car/Chl) is an indicator of vegetation photosynthesis, development and responses to stress. However, the correlation between Car and Chl, and their overlapping absorption in the visible spectral domain pos
Externí odkaz:
https://doaj.org/article/68abba118944463783a659cc7c92486e
Autor:
Andrew M. Bierer, Lisa Tang
Publikováno v:
HortScience, Vol 59, Iss 4 (2024)
Irrigation decision support systems evolving in the domestic temperate tree fruit production industry incorporate measures of soil moisture status, which diverges from classic physiological indicators of edaphic stress. This study used an autonomous
Externí odkaz:
https://doaj.org/article/9ae6bc6a769c4ecf8adbf3d1a6661686
Autor:
Philemon Tsele, Abel Ramoelo
Publikováno v:
Geocarto International, Vol 39, Iss 1 (2024)
Biophysical variables such as leaf area index (LAI) and leaf chlorophyll content (LCC) are cited as essential biodiversity variables. A comprehensive comparison and integration of retrieval methods is needed for the estimation of biophysical variable
Externí odkaz:
https://doaj.org/article/21cf54871af94bf888545bfaffb7d2b1
Autor:
Xiaowen Guo, Rong Wang, Jing M. Chen, Zhiqiang Cheng, Hongda Zeng, Guofang Miao, Zhiqun Huang, Zhenxiong Guo, Jianjie Cao, Jinhui Niu
Publikováno v:
Geo-spatial Information Science, Pp 1-14 (2023)
ABSTRACTIndividual inversions of Leaf Area Index (LAI) and Leaf Chlorophyll Content (LCC) have problems due to the mutual interference between these two vegetation parameters on remote sensing signals. We therefore explore synergetic inversion of the
Externí odkaz:
https://doaj.org/article/0e1a99aa01c941e489db2eafb972f849