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Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions

Authorized Users Only
2017
Authors
Ćosić, Marija
Stričević, Ružica
Djurović, Nevenka
Moravčević, Djordje
Pavlović, Milos
Todorović, Mladen
Article (Published version)
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Abstract
The applicability of the FAO AquaCrop model to simulate sweet pepper growth with and without plastic film mulching under different water supply and weather conditions is assessed. Pepper yield and biomass are simulated using the results of a two-year (2012 and 2013) field experiment conducted in Stara Pazova and a three-year (2011, 2012 and 2013) field experiment in Sombor, both in Serbia. The year 2012 was much warmer and drier than the two other years. At the Stara Pazova site, black plastic mulch was used and three different irrigation treatments applied: 1) full irrigation (F), at 100% of ETc (crop evapotranspiration); 2) deficit irrigation (R), at 80% of ETc; and 3) deficit irrigation (S), at 70% of ETc. In Sombor, only full irrigation (F*) was applied and there was no mulching. Two different cultivars (cv. Elephant Ear and Misina) were grown in Stara Pazova and Sombor, respectively. The model was calibrated using data from the F-treatment in 2012 at Stara Pazova and F*-treatment ...in 2011 at Sombor, given that the highest yields were recorded in these two cases. The difference between the measured and simulated values was 2.9% and 7.5% for yield and 7.6% and -14.3% for biomass, in Stara Pazova and Sombor, respectively. The calibration results showed a very good agreement between the measured and simulated values. The deviation of simulated yields from the measured values in the validation data set depended on weather and soil conditions. Namely, the match was very good in the case of well-watered pepper grown without plastic film mulching in the average year at Sombor (1.2%), and was the worst in the extremely warm year (-45.2%). Similar differences were noted in biomass. Based on statistical indicators, the coefficient of determination (R-2) of pepper yield at Stara Pazova and Sombor was 0.61 and 1.00 and the Willmott index of agreement (d), 0.79 and 0.89, respectively. Thus the AquaCrop model simulates the yield of pepper grown with and without plastic film mulching quite well. Biomass simulations resulted in slightly lower values of R2 and d. The AquaCrop model can also predict the amount of water needed for pepper grown with and without black plastic mulch.

Keywords:
Pepper / AquaCrop / Deficit irrigation / Black plastic mulch / Moderate continental climate
Source:
Agricultural Water Management, 2017, 188, 91-100
Publisher:
  • Elsevier, Amsterdam
Funding / projects:
  • Assessment of Climate Change Impact on Water Resources of Serbia (RS-37005)

DOI: 10.1016/j.agwat.2017.04.006

ISSN: 0378-3774

WoS: 000401879600010

Scopus: 2-s2.0-85018502837
[ Google Scholar ]
22
14
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4352
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Ćosić, Marija
AU  - Stričević, Ružica
AU  - Djurović, Nevenka
AU  - Moravčević, Djordje
AU  - Pavlović, Milos
AU  - Todorović, Mladen
PY  - 2017
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4352
AB  - The applicability of the FAO AquaCrop model to simulate sweet pepper growth with and without plastic film mulching under different water supply and weather conditions is assessed. Pepper yield and biomass are simulated using the results of a two-year (2012 and 2013) field experiment conducted in Stara Pazova and a three-year (2011, 2012 and 2013) field experiment in Sombor, both in Serbia. The year 2012 was much warmer and drier than the two other years. At the Stara Pazova site, black plastic mulch was used and three different irrigation treatments applied: 1) full irrigation (F), at 100% of ETc (crop evapotranspiration); 2) deficit irrigation (R), at 80% of ETc; and 3) deficit irrigation (S), at 70% of ETc. In Sombor, only full irrigation (F*) was applied and there was no mulching. Two different cultivars (cv. Elephant Ear and Misina) were grown in Stara Pazova and Sombor, respectively. The model was calibrated using data from the F-treatment in 2012 at Stara Pazova and F*-treatment in 2011 at Sombor, given that the highest yields were recorded in these two cases. The difference between the measured and simulated values was 2.9% and 7.5% for yield and 7.6% and -14.3% for biomass, in Stara Pazova and Sombor, respectively. The calibration results showed a very good agreement between the measured and simulated values. The deviation of simulated yields from the measured values in the validation data set depended on weather and soil conditions. Namely, the match was very good in the case of well-watered pepper grown without plastic film mulching in the average year at Sombor (1.2%), and was the worst in the extremely warm year (-45.2%). Similar differences were noted in biomass. Based on statistical indicators, the coefficient of determination (R-2) of pepper yield at Stara Pazova and Sombor was 0.61 and 1.00 and the Willmott index of agreement (d), 0.79 and 0.89, respectively. Thus the AquaCrop model simulates the yield of pepper grown with and without plastic film mulching quite well. Biomass simulations resulted in slightly lower values of R2 and d. The AquaCrop model can also predict the amount of water needed for pepper grown with and without black plastic mulch.
PB  - Elsevier, Amsterdam
T2  - Agricultural Water Management
T1  - Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions
EP  - 100
SP  - 91
VL  - 188
DO  - 10.1016/j.agwat.2017.04.006
ER  - 
@article{
author = "Ćosić, Marija and Stričević, Ružica and Djurović, Nevenka and Moravčević, Djordje and Pavlović, Milos and Todorović, Mladen",
year = "2017",
abstract = "The applicability of the FAO AquaCrop model to simulate sweet pepper growth with and without plastic film mulching under different water supply and weather conditions is assessed. Pepper yield and biomass are simulated using the results of a two-year (2012 and 2013) field experiment conducted in Stara Pazova and a three-year (2011, 2012 and 2013) field experiment in Sombor, both in Serbia. The year 2012 was much warmer and drier than the two other years. At the Stara Pazova site, black plastic mulch was used and three different irrigation treatments applied: 1) full irrigation (F), at 100% of ETc (crop evapotranspiration); 2) deficit irrigation (R), at 80% of ETc; and 3) deficit irrigation (S), at 70% of ETc. In Sombor, only full irrigation (F*) was applied and there was no mulching. Two different cultivars (cv. Elephant Ear and Misina) were grown in Stara Pazova and Sombor, respectively. The model was calibrated using data from the F-treatment in 2012 at Stara Pazova and F*-treatment in 2011 at Sombor, given that the highest yields were recorded in these two cases. The difference between the measured and simulated values was 2.9% and 7.5% for yield and 7.6% and -14.3% for biomass, in Stara Pazova and Sombor, respectively. The calibration results showed a very good agreement between the measured and simulated values. The deviation of simulated yields from the measured values in the validation data set depended on weather and soil conditions. Namely, the match was very good in the case of well-watered pepper grown without plastic film mulching in the average year at Sombor (1.2%), and was the worst in the extremely warm year (-45.2%). Similar differences were noted in biomass. Based on statistical indicators, the coefficient of determination (R-2) of pepper yield at Stara Pazova and Sombor was 0.61 and 1.00 and the Willmott index of agreement (d), 0.79 and 0.89, respectively. Thus the AquaCrop model simulates the yield of pepper grown with and without plastic film mulching quite well. Biomass simulations resulted in slightly lower values of R2 and d. The AquaCrop model can also predict the amount of water needed for pepper grown with and without black plastic mulch.",
publisher = "Elsevier, Amsterdam",
journal = "Agricultural Water Management",
title = "Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions",
pages = "100-91",
volume = "188",
doi = "10.1016/j.agwat.2017.04.006"
}
Ćosić, M., Stričević, R., Djurović, N., Moravčević, D., Pavlović, M.,& Todorović, M.. (2017). Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions. in Agricultural Water Management
Elsevier, Amsterdam., 188, 91-100.
https://doi.org/10.1016/j.agwat.2017.04.006
Ćosić M, Stričević R, Djurović N, Moravčević D, Pavlović M, Todorović M. Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions. in Agricultural Water Management. 2017;188:91-100.
doi:10.1016/j.agwat.2017.04.006 .
Ćosić, Marija, Stričević, Ružica, Djurović, Nevenka, Moravčević, Djordje, Pavlović, Milos, Todorović, Mladen, "Predicting biomass and yield of sweet pepper grown with and without plastic film mulching under different water supply and weather conditions" in Agricultural Water Management, 188 (2017):91-100,
https://doi.org/10.1016/j.agwat.2017.04.006 . .

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