Zobrazeno 1 - 10
of 807
pro vyhledávání: '"leaf chlorophyll content"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Leaf chlorophyll content (LCC) is crucial for monitoring the physiological processes of crops. Many studies have utilized spectral features to develop regression models for accurate LCC estimation, enabling the quantitative assessment and ev
Externí odkaz:
https://doaj.org/article/247fa58a62464c8ebbd3f5b92d01239e
Autor:
Bitopi Biswas, Mohammad Tariful Alam Khan, Mohammad Billal Hossain Momen, Mohammad. Rashedur Rahman Tanvir, Abu Mohammad Shahidul Alam, M Robiul Islam Islam
Publikováno v:
Research in Agricultural Engineering, Vol 70, Iss 3, Pp 155-166 (2024)
The research was conducted at the Department of Agronomy and Agricultural Extension, Rajshahi University, from December 2021 to April 2022. The objective was to develop a fuzzy expert system for site-specific N fertilisation using leaf colour code (R
Externí odkaz:
https://doaj.org/article/53b5280f3b9c4538b65eb09ea763f10a
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
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:
Forestry Research, Vol 4, Iss 1, Pp 1-10 (2024)
Chinese fir is the most important native softwood tree in China and has significant economic and ecological value. Accurate assessment of the growth status is critical for both seedling cultivation and germplasm evaluation of this commercially signif
Externí odkaz:
https://doaj.org/article/4c787c38c9cc41029af85ba42b1f81a1
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:
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:
Yaxiao Niu, Longfei Xu, Yanni Zhang, Lizhang Xu, Qingzhen Zhu, Aichen Wang, Shenjin Huang, Liyuan Zhang
Publikováno v:
Drones, Vol 8, Iss 10, p 578 (2024)
Estimating leaf chlorophyll content (LCC) in a timely manner and accurately is of great significance for the precision management of rape. The spectral index derived from UAV images has been adopted as a non-destructive and efficient way to map LCC.
Externí odkaz:
https://doaj.org/article/d740611d8e4c44df803dd06c0c84bda7
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