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Mathias Neumann Andersen

Response of potato to drip and gun irrigation systems

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Standard

Response of potato to drip and gun irrigation systems. / Zhenjiang, Zhou; Andersen, Mathias Neumann; Plauborg, Finn; Edlefsen, Ove.

In: Agricultural Engineering International: CIGR Journal, Vol. Special Issue 2015, No. 18th World Congress of CIGR, 2015.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Zhenjiang, Z, Andersen, MN, Plauborg, F & Edlefsen, O 2015, 'Response of potato to drip and gun irrigation systems', Agricultural Engineering International: CIGR Journal, vol. Special Issue 2015, no. 18th World Congress of CIGR. <http://www.cigrjournal.org/index.php/Ejounral/article/viewFile/3154/2041>

APA

Zhenjiang, Z., Andersen, M. N., Plauborg, F., & Edlefsen, O. (2015). Response of potato to drip and gun irrigation systems. Agricultural Engineering International: CIGR Journal, Special Issue 2015(18th World Congress of CIGR). http://www.cigrjournal.org/index.php/Ejounral/article/viewFile/3154/2041

CBE

Zhenjiang Z, Andersen MN, Plauborg F, Edlefsen O. 2015. Response of potato to drip and gun irrigation systems. Agricultural Engineering International: CIGR Journal. Special Issue 2015(18th World Congress of CIGR).

MLA

Zhenjiang, Zhou et al. "Response of potato to drip and gun irrigation systems". Agricultural Engineering International: CIGR Journal. 2015. Special Issue 2015(18th World Congress of CIGR).

Vancouver

Zhenjiang Z, Andersen MN, Plauborg F, Edlefsen O. Response of potato to drip and gun irrigation systems. Agricultural Engineering International: CIGR Journal. 2015;Special Issue 2015(18th World Congress of CIGR).

Author

Zhenjiang, Zhou ; Andersen, Mathias Neumann ; Plauborg, Finn ; Edlefsen, Ove. / Response of potato to drip and gun irrigation systems. In: Agricultural Engineering International: CIGR Journal. 2015 ; Vol. Special Issue 2015, No. 18th World Congress of CIGR.

Bibtex

@article{a36c60b10b4b4ff68ef802f319aebc13,
title = "Response of potato to drip and gun irrigation systems",
abstract = "The objective of this study was to evaluate effects of different irrigation and N fertilization regimes by gun irrigation and drip-fertigation on potato production, and subsequently optimize the supply of water and N fertilizer to the growth condition of the specific season and minimize nitrate leaching without compromising profits. Four replicate plots of each treatment with varying predefined and model-based (Daisy and Aquacrop crop model) irrigation and N fertilization levels were used in the study. Two experiments were conducted. In experiment-I, treatments consisted of one drip-fertigation system (DFdsNds) and two gun irrigation systems (GIdsN120 and GIaN120) to display the differences on growth, yield and water use efficiency of potato. All treatments were irrigated according to model simulated soil water content. For fertilization all treatments received a basic dressing at planting of P, K, Mg and micronutrients, and in addition 120 kg N/ha in the gun irrigated treatments and 36 kg N/ha in the drip-fertigated. For the latter, portion of 20 kg N/ha was applied whenever plant N concentration approached a critical value as simulated by the Daisy model. As a result differences in soil water deficit and nitrogen application rates emerged during the season. Soil water content in the drip-fertigation system was higher than gun irrigation systems most time during growth season, with less N used in total (100 kg N/ha) in DFdsNds. GIaN120 used 20 mm less water than the GIdsN120 treatment. Yield was not significantly different between treatments. As a consequence GIaN120 had higher irrigation water use efficiency than GIdsN120 and DFdsNds: 23 and 18%, respectively.In experiment-II, 14 treatments with different combinations of irrigation and N levels was conducted, all using the fertigation system, among which several treatments were irrigated and/or fertilized with assistance of the Daisy model. Results showed that, soil water content was well simulated by the Daisy model (low root mean square error (RMSE)), whereas the Aquacrop model had higher RMSE, suggesting a requirement of calibration to entail a better performance of Aquacrop model. Increasing N supply showed expected effect on fresh yield, treatments applied with 60, 100, 140 and 180kgN/ha increased fresh yield by 77%, 83%, 90% and 106% compared to treatment without N application. N-fertigation based on Daisy (I1Nds) got higher fresh yield than I1N2, I1Norg and I1Nt by 2%, 4% and 14%, respectively, even all received 100kg N/ha. Hence some effect of N fertilization timing was found, i.e. varying time of the last fertigation. The results indicated giving N too early or late may result in decline of fresh yield. In contrast, increasing irrigation in 140 kg N/ha treatments decreased yield by 4%. In addition, treatments guided with Daisy or Aquacrop had higher irrigation water use efficiency, suggesting that the use of models to guide application allowed a better use of water and N fertilizer in potato production.",
keywords = "gun irrigation, fertigation, potato yield, crop growth model, Denmark",
author = "Zhou Zhenjiang and Andersen, {Mathias Neumann} and Finn Plauborg and Ove Edlefsen",
year = "2015",
language = "English",
volume = "Special Issue 2015",
journal = "Agricultural Engineering International: CIGR Journal",
issn = "1682-1130",
publisher = "CIGR",
number = "18th World Congress of CIGR",

}

RIS

TY - JOUR

T1 - Response of potato to drip and gun irrigation systems

AU - Zhenjiang, Zhou

AU - Andersen, Mathias Neumann

AU - Plauborg, Finn

AU - Edlefsen, Ove

PY - 2015

Y1 - 2015

N2 - The objective of this study was to evaluate effects of different irrigation and N fertilization regimes by gun irrigation and drip-fertigation on potato production, and subsequently optimize the supply of water and N fertilizer to the growth condition of the specific season and minimize nitrate leaching without compromising profits. Four replicate plots of each treatment with varying predefined and model-based (Daisy and Aquacrop crop model) irrigation and N fertilization levels were used in the study. Two experiments were conducted. In experiment-I, treatments consisted of one drip-fertigation system (DFdsNds) and two gun irrigation systems (GIdsN120 and GIaN120) to display the differences on growth, yield and water use efficiency of potato. All treatments were irrigated according to model simulated soil water content. For fertilization all treatments received a basic dressing at planting of P, K, Mg and micronutrients, and in addition 120 kg N/ha in the gun irrigated treatments and 36 kg N/ha in the drip-fertigated. For the latter, portion of 20 kg N/ha was applied whenever plant N concentration approached a critical value as simulated by the Daisy model. As a result differences in soil water deficit and nitrogen application rates emerged during the season. Soil water content in the drip-fertigation system was higher than gun irrigation systems most time during growth season, with less N used in total (100 kg N/ha) in DFdsNds. GIaN120 used 20 mm less water than the GIdsN120 treatment. Yield was not significantly different between treatments. As a consequence GIaN120 had higher irrigation water use efficiency than GIdsN120 and DFdsNds: 23 and 18%, respectively.In experiment-II, 14 treatments with different combinations of irrigation and N levels was conducted, all using the fertigation system, among which several treatments were irrigated and/or fertilized with assistance of the Daisy model. Results showed that, soil water content was well simulated by the Daisy model (low root mean square error (RMSE)), whereas the Aquacrop model had higher RMSE, suggesting a requirement of calibration to entail a better performance of Aquacrop model. Increasing N supply showed expected effect on fresh yield, treatments applied with 60, 100, 140 and 180kgN/ha increased fresh yield by 77%, 83%, 90% and 106% compared to treatment without N application. N-fertigation based on Daisy (I1Nds) got higher fresh yield than I1N2, I1Norg and I1Nt by 2%, 4% and 14%, respectively, even all received 100kg N/ha. Hence some effect of N fertilization timing was found, i.e. varying time of the last fertigation. The results indicated giving N too early or late may result in decline of fresh yield. In contrast, increasing irrigation in 140 kg N/ha treatments decreased yield by 4%. In addition, treatments guided with Daisy or Aquacrop had higher irrigation water use efficiency, suggesting that the use of models to guide application allowed a better use of water and N fertilizer in potato production.

AB - The objective of this study was to evaluate effects of different irrigation and N fertilization regimes by gun irrigation and drip-fertigation on potato production, and subsequently optimize the supply of water and N fertilizer to the growth condition of the specific season and minimize nitrate leaching without compromising profits. Four replicate plots of each treatment with varying predefined and model-based (Daisy and Aquacrop crop model) irrigation and N fertilization levels were used in the study. Two experiments were conducted. In experiment-I, treatments consisted of one drip-fertigation system (DFdsNds) and two gun irrigation systems (GIdsN120 and GIaN120) to display the differences on growth, yield and water use efficiency of potato. All treatments were irrigated according to model simulated soil water content. For fertilization all treatments received a basic dressing at planting of P, K, Mg and micronutrients, and in addition 120 kg N/ha in the gun irrigated treatments and 36 kg N/ha in the drip-fertigated. For the latter, portion of 20 kg N/ha was applied whenever plant N concentration approached a critical value as simulated by the Daisy model. As a result differences in soil water deficit and nitrogen application rates emerged during the season. Soil water content in the drip-fertigation system was higher than gun irrigation systems most time during growth season, with less N used in total (100 kg N/ha) in DFdsNds. GIaN120 used 20 mm less water than the GIdsN120 treatment. Yield was not significantly different between treatments. As a consequence GIaN120 had higher irrigation water use efficiency than GIdsN120 and DFdsNds: 23 and 18%, respectively.In experiment-II, 14 treatments with different combinations of irrigation and N levels was conducted, all using the fertigation system, among which several treatments were irrigated and/or fertilized with assistance of the Daisy model. Results showed that, soil water content was well simulated by the Daisy model (low root mean square error (RMSE)), whereas the Aquacrop model had higher RMSE, suggesting a requirement of calibration to entail a better performance of Aquacrop model. Increasing N supply showed expected effect on fresh yield, treatments applied with 60, 100, 140 and 180kgN/ha increased fresh yield by 77%, 83%, 90% and 106% compared to treatment without N application. N-fertigation based on Daisy (I1Nds) got higher fresh yield than I1N2, I1Norg and I1Nt by 2%, 4% and 14%, respectively, even all received 100kg N/ha. Hence some effect of N fertilization timing was found, i.e. varying time of the last fertigation. The results indicated giving N too early or late may result in decline of fresh yield. In contrast, increasing irrigation in 140 kg N/ha treatments decreased yield by 4%. In addition, treatments guided with Daisy or Aquacrop had higher irrigation water use efficiency, suggesting that the use of models to guide application allowed a better use of water and N fertilizer in potato production.

KW - gun irrigation

KW - fertigation

KW - potato yield

KW - crop growth model

KW - Denmark

M3 - Journal article

VL - Special Issue 2015

JO - Agricultural Engineering International: CIGR Journal

JF - Agricultural Engineering International: CIGR Journal

SN - 1682-1130

IS - 18th World Congress of CIGR

ER -