Abstract
Abstract The growing scarcity of water resources has made the need to optimize water consumption in the agricultural sector inevitable. In this study, the accuracy of the AquaCrop model in simulating the yield and dry matter of winter wheat under different plant densities and water levels was evaluated. Then using economic‐mathematical analysis, the optimum values of plant density and irrigation water were determined. Next, using time‐series models, the values of optimum irrigation water and economic yield were forecasted for the next 10 years. Results showed that the accuracy of the AquaCrop model to simulate grain yield and dry matter of winter wheat was very satisfactory. For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively. The time‐series model used in this study was able to forecast optimum applied water with high accuracy. The forecasting results of this study can be used by farm managers and decision‐makers in water resources management in the study areas.
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Claims 8
Claim · model-written summary
AquaCrop simulated grain yield and dry matter with very satisfactory accuracy.
- Taxon
- winter wheat
Triticum aestivume0 - Outcome
- accuracye0
- Qualifier
- very satisfactorye0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the accuracy of the AquaCrop model to simulate grain yield and dry matter of winter wheat was very satisfactory”
Claim · model-written summary
At 289.9 mm seasonal rainfall, optimum irrigation reduced water consumption by 22.4% versus full irrigation.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- applying optimum irrigation watere0
- Outcome
- water consumptione0
- Direction
- decreasee0
- Value
- 22.4e0
- Qualifier
- seasonal rainfall of 289.9e0
- Comparator
- full irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
At 394.5 mm seasonal rainfall, optimum irrigation reduced water consumption by 29.9% versus full irrigation.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- applying optimum irrigation watere0
- Outcome
- water consumptione0
- Direction
- decreasee0
- Value
- 29.9%e0
- Qualifier
- 394.5 mme0
- Comparator
- full irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
At 289.9 mm seasonal rainfall, optimum irrigation increased land area by 28.9% versus full irrigation.
- Treatment
- applying optimum irrigation watere0
- Outcome
- land areae0
- Direction
- increasee0
- Value
- 28.9e0
- Qualifier
- seasonal rainfall of 289.9e0
- Comparator
- full irrigatione0
Not reportedTaxon
Verbatim
t0“winter wheat”
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
At 394.5 mm seasonal rainfall, optimum irrigation increased land area by 42.7% versus full irrigation.
- Treatment
- applying optimum irrigation watere0
- Outcome
- land areae0
- Direction
- increasee0
- Value
- 42.7%e0
- Qualifier
- 394.5 mme0
- Comparator
- full irrigatione0
Not reportedTaxon
Verbatim
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
At 289.9 mm seasonal rainfall, optimum irrigation increased total benefit by 47.4% versus full irrigation.
- Treatment
- applying optimum irrigation watere0
- Outcome
- total benefite0
- Direction
- increasee0
- Value
- 47.4e0
- Qualifier
- seasonal rainfall of 289.9e0
- Comparator
- full irrigatione0
Not reportedTaxon
Verbatim
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
At 394.5 mm seasonal rainfall, optimum irrigation increased total benefit by 50.2% versus full irrigation.
- Treatment
- applying optimum irrigation watere0
- Outcome
- total benefite0
- Direction
- increasee0
- Value
- 50.2%e0
- Qualifier
- 394.5 mme0
- Comparator
- full irrigatione0
Not reportedTaxon
Verbatim
e0“For seasonal rainfall of 289.9 and 394.5 mm (the values related to an occurrence probability of 50 and 80%, respectively), applying optimum irrigation water resulted in a 22.4 and 29.9% decrease in water consumption and 28.9 and 42.7% increase in land area and 47.4 and 50.2% increase in total benefit compared to full irrigation, respectively.”
Claim · model-written summary
The time-series model forecast optimum applied water with high accuracy.
Not reportedTaxonComparatorValue
Verbatim
e0“The time‐series model used in this study was able to forecast optimum applied water with high accuracy.”
The same questions in other papers
irrigation · physiology: water · Triticum aestivum (wheat)Positive and negative results
252 papers in the same direction as this paper · 49 in the opposite direction · 1 reporting no difference from an alternative
- positive
- no effect
- no effect
299 papers more in this group
See all 303 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.