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Contribution of chlorophyll fluorescence to the apparent vegetation reflectance
2008
Science of the Total Environment
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The practical objectives of the study are to: 1) evaluate the relationship between ChlF and reflectance at the foliar level for corn, soybean and maple; and 2) for corn, determine if the relationship established ...
However, the observed apparent vegetation reflectance (Ra) in reality includes contributions from both the reflected and fluoresced radiation. ...
Acknowledgements We are thankful for the useful suggestions, comments and support from J. McMurtrey and E. Chappelle. This investigation was funded by NRC, NASA and NSF/SGAR grants, the ...
doi:10.1016/j.scitotenv.2007.11.004
pmid:18164750
fatcat:m25sy7g3offj7c737ugn72i7fy
Sensing crop nitrogen status with fluorescence indicators. A review
2011
Agronomy for Sustainable Development
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Fluorescence sensing methods have been used to monitor crop physiology for years, and they may offer solutions for N status diagnosis over reflectance-based methods. ...
However, this practice results in lower nitrogen use efficiency, high levels of residual N after harvest, and losses in the environment. ...
Alexander Dudelzak and Sergei Babichenko for their guidance, as well as Drs. Giovanna Cecchi, Valentina Raimondi, and Giovanni Agati for hosting his OECD fellowship and the late Dr. ...
doi:10.1007/s13593-011-0041-1
fatcat:xkaezodkdneh5hiexhmjtv25na
Remote Sensing for Crop Management
2003
Photogrammetric Engineering and Remote Sensing
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This knowledge has facilitated the development and use of various remote sensing methods for non-destructive monitoring of plant growth and development and for the detection of many environmental stresses ...
water, nutrients, and pests in agricultural crops; and assesses the role of remote sensing in yield prediction. ...
These newer approaches using laser induced fluorescence (LIF) have considerable potential for previsual identification of nutrient and water stress and for detecting optimal levels of plant growth and ...
doi:10.14358/pers.69.6.647
fatcat:ypezuk2vvnbtjfj7mamefsahea
Remote sensing of solar-induced chlorophyll fluorescence: Review of methods and applications
2009
Remote Sensing of Environment
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Interest in remote sensing (RS) of solar-induced chlorophyll fluorescence (F) by terrestrial vegetation is motivated by the link of F to photosynthetic efficiency which could be exploited for large scale ...
and vegetation physiology and the feasibility of a satellite mission specifically designed for F monitoring. ...
The authors would like to thank the four anonymous reviewers of this manuscript for their valuable comments which have helped us to improve the completeness and overall quality of the paper. ...
doi:10.1016/j.rse.2009.05.003
fatcat:h26hvd3vujhexbnjyua25br2w4
Remote sensing of sun-induced fluorescence to improve modeling of diurnal courses of gross primary production (GPP)
2010
Global Change Biology
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Diurnal courses of sun-induced fluorescence yield (F Syield ) and the photochemical reflectance index of corn were derived from high-resolution spectrometric measurements and their potential as proxies ...
Considering structural and physiological effects, this research shows for the first time that including suninduced fluorescence into modeling approaches improves their results in predicting diurnal courses ...
We also thank Remo Bianchi and Michael Berger for their organizational support. ...
doi:10.1111/j.1365-2486.2009.01908.x
fatcat:tdokdnn47zcwflbhmvsgpt75na
Estimation of vegetation photosynthetic capacity from space-based measurements of chlorophyll fluorescence for terrestrial biosphere models
2014
Global Change Biology
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Our V cmax estimates agree well with literature values for corn and soybean plants (average values of 37 and 101 lmol m À2 s À1 , respectively) and show plausible seasonal patterns. ...
Remote sensing can be used to produce a spatially continuous and temporally resolved view on photosynthetic efficiency, but traditional vegetation observations based on spectral reflectance lack a direct ...
Acknowledgements We would like to thank the two reviewers for their valuable comments and suggestions. ...
doi:10.1111/gcb.12664
pmid:24953485
fatcat:leqnhgnmk5awnojoeh3ogegb7y
Review of Top-of-Canopy Sun-Induced Fluorescence (SIF) Studies from Ground, UAV, Airborne to Spaceborne Observations
2020
Sensors
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Remote sensing (RS) of sun-induced fluorescence (SIF) has emerged as a promising indicator of photosynthetic activity and related stress from the leaf to the ecosystem level. ...
In the last few decades, a lot of studies have been conducted on SIF measurement techniques, retrieval algorithms, modeling, application, validation, and radiative transfer processes, incorporating different ...
Acknowledgments: The close links to COST Actions OPTIMISE (ES1903) and SENSECO (CA17134) led us to the idea to write this manuscript. ...
doi:10.3390/s20041144
pmid:32093068
pmcid:PMC7070282
fatcat:yjpqxfjlprbnljl7quyq3lcl64
Remote Sensing and Machine Learning in Crop Phenotyping and Management, with an Emphasis on Applications in Strawberry Farming
2021
Remote Sensing
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In this review, we focus on the recent development of phenomics approaches in strawberry farming, particularly those utilizing remote sensing and machine learning, with an eye toward future prospects for ...
Rapid and accurate acquisition of information about large plant populations is critical for monitoring plant health and dissecting the underlying genetic traits. ...
Fluorescence remote sensing is efficient in retrieving the chlorophyll and nitrogen content, nitrogen-to-carbon ratio, and LAI [34] . ...
doi:10.3390/rs13030531
fatcat:yts5pbuq2zhwrm6rt6c6hmkyti
Sensor Development and Radiometric Correction for Agricultural Applications
2003
Photogrammetric Engineering and Remote Sensing
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The direction of future sensor development includes integrated sensors and systems, sensor standardization, and new sensor technologies measuring fluorescence and soil electrical conductivity, and utilizing ...
for reflectance and temperature retrieval, and enhanced communication between image providers, research scientists, and users. ...
The sensor system has been used to develop and evaluate reflectance-based crop coefficients for corn (Neale et al., 1989; Bausch, 1995) and nitrogen deficiency assess-ment in corn (Bausch and Duke, ...
doi:10.14358/pers.69.6.705
fatcat:mxymgbcrgfb6fmrsvzd7zzglem
Unraveling the physical and physiological basis for the solar- induced chlorophyll fluorescence and photosynthesis relationship using continuous leaf and canopy measurements of a corn crop
2021
Biogeosciences
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These diurnal and seasonal variations in heat dissipation underlie, and are thus responsible for, the observed remote-sensing-based link between far-red SIF and GPP. ...
To explore the physical and physiological basis for their relationship, we used a unique data set comprising continuous field measurements of leaf and canopy fluorescence and photosynthesis of corn over ...
Yang et al.: Unraveling the solar-induced chlorophyll fluorescence and photosynthesis relationship
P.Yang et al.: Unraveling the solar-induced chlorophyll fluorescence and photosynthesis relationship ...
doi:10.5194/bg-18-441-2021
fatcat:5jfoo4mlwbfqndpfonnms67gji
Sensors Applied to Digital Agriculture: A Review
2020
Revista Ciência Agronômica
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Remote sensing and proximal sensing techniques have been developed globally for monitoring different crop systems. The sensors used for yield mapping were presented. ...
Assessment of yield monitoring equipment for dry matter and yield of corn silage and alfalfa/grass. ...
doi:10.5935/1806-6690.20200086
fatcat:bry3ioohb5brpe5vov6yt2u6aq
Making Sense of Light: The Use of Optical Spectroscopy Techniques in Plant Sciences and Agriculture
2022
Applied Sciences
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The emergence of high-throughput technologies for plant phenotyping and the accompanying need for methods for rapid and non-contact assessment of plant productivity has generated renewed interest in the ...
In this perspective paper, starting with a brief overview of the scientific and technological backgrounds of optical spectroscopy and current mainstream techniques and applications, we foresee the future ...
Cavaco and Rui Guerra would like to acknowledge all their CEOT collaborators for their expertise, hard work, team spirit and contributions to the knowledge regarding the scope of this research topic over ...
doi:10.3390/app12030997
fatcat:7kegshpfr5fuzckdw6orhka7la
Canopy Vegetation Indices from In situ Hyperspectral Data to Assess Plant Water Status of Winter Wheat under Powdery Mildew Stress
2017
Frontiers in Plant Science
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The results will help to understand the physical state of the plant, and provide technical support for disease control using remote sensing during wheat production. ...
The Photochemical Reflectance Index (PRI) was sensitive to physiological response influenced by powdery mildew, and the relationships of PRI with chlorophyll content, the maximum quantum efficiency of ...
Several techniques have been developed for detecting crop disease, such as fluorescence spectroscopy (Sindhuja et al., 2010) , and remote sensing (Zhang et al., 2005; Sankaran et al., 2010; Dammer et ...
doi:10.3389/fpls.2017.01219
pmid:28751904
pmcid:PMC5507954
fatcat:pon44yhwwfflnlbfa6zw4jnj7a
Sensing technologies for precision specialty crop production
2010
Computers and Electronics in Agriculture
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Sensing techniques for crop biomass detection, weed detection, soil properties and nutrients are most advanced and can provide the data required for site specific management. ...
With the advances in electronic and information technologies, various sensing systems have been developed for specialty crop production around the world. ...
corn plants and weeds (Shrestha and Steward, 2005) . ...
doi:10.1016/j.compag.2010.08.005
fatcat:tesilbgowvf3vplcwgbcevmhyy
Critical Review Of Precision Agriculture Technologies And Its Scope Of Adoption In India
2011
Zenodo
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Additionally strategies for adoption of PA in Indian agriculture are discussed. ...
Rate Technology, Crop & Soil Sensing & Analysis, Yield Mapping and Information Transmission Protocol. ...
Leaves with higher nitrogen content have stronger spectral reflectance in blue and NIR wave bands and leaves with nitrogen stress, resulting in lower chlorophyll content, reflect more in red spectral region ...
doi:10.5281/zenodo.8086
fatcat:57lmrah6rvh5fguddb7a7esdjm
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