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    Rights statement: The original publication is available at https://www.ishs.org/ishs-article/1253_58 Puértolas, J., Johnson, D., Dodd, I.C. and Rothwell, S.A. (2019). Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management. Acta Hortic. 1253, 443-448 DOI: 10.17660/ActaHortic.2019.1253.58 https://doi.org/10.17660/ActaHortic.2019.1253.58

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Can we water crops with our phones?: Smartphone technology application to infrared thermography for use in irrigation management

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

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Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management . / Puértolas, J.; Johnson, D.; Dodd, I.C.; Rothwell, S.A.

XXX International Horticultural Congress IHC2018: International Symposium on Water and Nutrient Relations and Management of Horticultural Crops. Vol. 1253 International Society for Horticultural Science, 2019. p. 443-448 (Acta Horticulturae).

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

Harvard

Puértolas, J, Johnson, D, Dodd, IC & Rothwell, SA 2019, Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management . in XXX International Horticultural Congress IHC2018: International Symposium on Water and Nutrient Relations and Management of Horticultural Crops. vol. 1253, Acta Horticulturae, International Society for Horticultural Science, pp. 443-448. https://doi.org/10.17660/ActaHortic.2019.1253.58

APA

Puértolas, J., Johnson, D., Dodd, I. C., & Rothwell, S. A. (2019). Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management . In XXX International Horticultural Congress IHC2018: International Symposium on Water and Nutrient Relations and Management of Horticultural Crops (Vol. 1253, pp. 443-448). (Acta Horticulturae). International Society for Horticultural Science. https://doi.org/10.17660/ActaHortic.2019.1253.58

Vancouver

Puértolas J, Johnson D, Dodd IC, Rothwell SA. Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management . In XXX International Horticultural Congress IHC2018: International Symposium on Water and Nutrient Relations and Management of Horticultural Crops. Vol. 1253. International Society for Horticultural Science. 2019. p. 443-448. (Acta Horticulturae). https://doi.org/10.17660/ActaHortic.2019.1253.58

Author

Puértolas, J. ; Johnson, D. ; Dodd, I.C. ; Rothwell, S.A. / Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management . XXX International Horticultural Congress IHC2018: International Symposium on Water and Nutrient Relations and Management of Horticultural Crops. Vol. 1253 International Society for Horticultural Science, 2019. pp. 443-448 (Acta Horticulturae).

Bibtex

@inproceedings{7ad4c1a16ec9461f9fe713dd7ca12345,
title = "Can we water crops with our phones?: Smartphone technology application to infrared thermography for use in irrigation management ",
abstract = "Infrared thermography has been used to assess plant transpiration and infer stress levels in different agricultural production systems. The development of low cost infrared cameras adapted to smart phones provides an opportunity to develop applications that would allow growers to monitor crop water status. We explored the capabilities of this system by assessing the response of crop water stress index (CWSI) to treatments differing in irrigation frequency. Soya bean plants were grown in pots in a glasshouse and different irrigation treatments were applied for two weeks. CWSI, stomatal conductance (gs) and biomass growth were compared in fully irrigated (FI), deficit irrigation (50% ET) applied either at high (HFDI) and low (LFDI) frequency. Statistical differences in CWSI between deficit irrigation and FI treatments were observed when CWSI'0.5. CWSI and gs followed very similar patterns in all treatments, but the higher number of replicates that the thermal camera could measure in a given time and its low variability compared to the porometer increased the capacity to detect differences between treatments. As gs decreased at the end of the experiment in FI plants, probably because of restricted soil volume, differences in CWSI between well-watered and stressed plants diminished, suggesting the need to maintain well-watered plants grown under optimal conditions as a reference baseline. Within the deficit irrigation treatments, CWSI decreased and gs, increased when irrigation was more frequent, but dry biomass and water use efficiency (biomass/irrigation volume) did not change, and were lower and higher than FI plants respectively. These results demonstrate that the low cost thermal camera is suitable to rapidly assess gs, but highlight the issues associated with irrigation scheduling based on this physiological response.",
keywords = "stomatal conductance, deficit irrigation, Glycine max, irrigation frequency, crop water stress index",
author = "J. Pu{\'e}rtolas and D. Johnson and I.C. Dodd and S.A. Rothwell",
note = "The original publication is available at https://www.ishs.org/ishs-article/1253_58 Pu{\'e}rtolas, J., Johnson, D., Dodd, I.C. and Rothwell, S.A. (2019). Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management. Acta Hortic. 1253, 443-448 DOI: 10.17660/ActaHortic.2019.1253.58 https://doi.org/10.17660/ActaHortic.2019.1253.58",
year = "2019",
month = oct,
day = "31",
doi = "10.17660/ActaHortic.2019.1253.58",
language = "English",
isbn = "9789462612501",
volume = "1253",
series = "Acta Horticulturae",
publisher = "International Society for Horticultural Science",
pages = "443--448",
booktitle = "XXX International Horticultural Congress IHC2018",
address = "Belgium",

}

RIS

TY - GEN

T1 - Can we water crops with our phones?

T2 - Smartphone technology application to infrared thermography for use in irrigation management

AU - Puértolas, J.

AU - Johnson, D.

AU - Dodd, I.C.

AU - Rothwell, S.A.

N1 - The original publication is available at https://www.ishs.org/ishs-article/1253_58 Puértolas, J., Johnson, D., Dodd, I.C. and Rothwell, S.A. (2019). Can we water crops with our phones? Smartphone technology application to infrared thermography for use in irrigation management. Acta Hortic. 1253, 443-448 DOI: 10.17660/ActaHortic.2019.1253.58 https://doi.org/10.17660/ActaHortic.2019.1253.58

PY - 2019/10/31

Y1 - 2019/10/31

N2 - Infrared thermography has been used to assess plant transpiration and infer stress levels in different agricultural production systems. The development of low cost infrared cameras adapted to smart phones provides an opportunity to develop applications that would allow growers to monitor crop water status. We explored the capabilities of this system by assessing the response of crop water stress index (CWSI) to treatments differing in irrigation frequency. Soya bean plants were grown in pots in a glasshouse and different irrigation treatments were applied for two weeks. CWSI, stomatal conductance (gs) and biomass growth were compared in fully irrigated (FI), deficit irrigation (50% ET) applied either at high (HFDI) and low (LFDI) frequency. Statistical differences in CWSI between deficit irrigation and FI treatments were observed when CWSI'0.5. CWSI and gs followed very similar patterns in all treatments, but the higher number of replicates that the thermal camera could measure in a given time and its low variability compared to the porometer increased the capacity to detect differences between treatments. As gs decreased at the end of the experiment in FI plants, probably because of restricted soil volume, differences in CWSI between well-watered and stressed plants diminished, suggesting the need to maintain well-watered plants grown under optimal conditions as a reference baseline. Within the deficit irrigation treatments, CWSI decreased and gs, increased when irrigation was more frequent, but dry biomass and water use efficiency (biomass/irrigation volume) did not change, and were lower and higher than FI plants respectively. These results demonstrate that the low cost thermal camera is suitable to rapidly assess gs, but highlight the issues associated with irrigation scheduling based on this physiological response.

AB - Infrared thermography has been used to assess plant transpiration and infer stress levels in different agricultural production systems. The development of low cost infrared cameras adapted to smart phones provides an opportunity to develop applications that would allow growers to monitor crop water status. We explored the capabilities of this system by assessing the response of crop water stress index (CWSI) to treatments differing in irrigation frequency. Soya bean plants were grown in pots in a glasshouse and different irrigation treatments were applied for two weeks. CWSI, stomatal conductance (gs) and biomass growth were compared in fully irrigated (FI), deficit irrigation (50% ET) applied either at high (HFDI) and low (LFDI) frequency. Statistical differences in CWSI between deficit irrigation and FI treatments were observed when CWSI'0.5. CWSI and gs followed very similar patterns in all treatments, but the higher number of replicates that the thermal camera could measure in a given time and its low variability compared to the porometer increased the capacity to detect differences between treatments. As gs decreased at the end of the experiment in FI plants, probably because of restricted soil volume, differences in CWSI between well-watered and stressed plants diminished, suggesting the need to maintain well-watered plants grown under optimal conditions as a reference baseline. Within the deficit irrigation treatments, CWSI decreased and gs, increased when irrigation was more frequent, but dry biomass and water use efficiency (biomass/irrigation volume) did not change, and were lower and higher than FI plants respectively. These results demonstrate that the low cost thermal camera is suitable to rapidly assess gs, but highlight the issues associated with irrigation scheduling based on this physiological response.

KW - stomatal conductance

KW - deficit irrigation

KW - Glycine max

KW - irrigation frequency

KW - crop water stress index

U2 - 10.17660/ActaHortic.2019.1253.58

DO - 10.17660/ActaHortic.2019.1253.58

M3 - Conference contribution/Paper

SN - 9789462612501

VL - 1253

T3 - Acta Horticulturae

SP - 443

EP - 448

BT - XXX International Horticultural Congress IHC2018

PB - International Society for Horticultural Science

ER -