Abstract
Providing climate-adaptive solutions to enhance wheat production while improving the efficiency of resource utilization is a key approach to addressing the food security challenges faced by dryland agriculture. This study aimed to assess the impacts of straw mulching and supplementary irrigation on wheat yield, water use efficiency, irrigation water productivity, water footprint, carbon footprint, and energy productivity through the water-energy-food nexus by employing the DSSAT-CERES-Wheat model. Result showed that the DSSAT-CERES-Wheat model can accurately evaluate grain yield and water balance of winter wheat response to residue management and irrigation practice. The grain yield with straw mulching was higher than that with non-mulching. The straw mulching produced the higher indirect emission than non-mulching, resulting in higher GHG emission. Straw mulching significantly reduced the water and carbon footprints while simultaneously enhancing energy productivity for winter wheat compared to non-mulching treatment, primarily by increasing the wheat grain yield. The influence of straw mulching on the energy consumption of wheat production is relatively limited. The grain yield combing straw mulching with a single spring irrigation reached 81 % of the maximum yield. From the perspective of optimizing the water-energy-food nexus, straw mulching combined with one irrigation at critical stage was the best treatment for wheat. The research framework on the Water-Energy-Food Nexus for crops presented in this study provides a scientific basis for informed decision-making, which is crucial for formulating sustainable agricultural policies, optimizing resource management strategies, and promoting integrated governance of agricultural ecosystems in arid regions. • CERES-Wheat model was used to simulate irrigation practices with straw mulching. • Water-energy-food nexus approach was used to evaluate the impacts of straw mulching and irrigation. • Straw mulching with supplemental irrigation enhance grain yield and water productivity. • Straw mulching with supplemental irrigation maintain lower environmental footprint of wheat.
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Claims 10
Claim · model-written summary
DSSAT-CERES-Wheat accurately evaluated grain yield and water balance responses.
- Taxon
- winter wheat
Triticum aestivumt0 - Outcome
- grain yield and water balancee0
- Comparator
- residue management and irrigation practicee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“the DSSAT-CERES-Wheat model can accurately evaluate grain yield and water balance of winter wheat response to residue management and irrigation practice”
Claim · model-written summary
Straw mulching produced higher grain yield than non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulchinge0
- Outcome
- grain yielde0
- Direction
- highere0
- Comparator
- non-mulchinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“The grain yield with straw mulching was higher than that with non-mulching”
Claim · model-written summary
Straw mulching produced higher indirect emission than non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulchinge0
- Outcome
- indirect emissione0
- Direction
- highere0
- Comparator
- non-mulchinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“The straw mulching produced the higher indirect emission than non-mulching, resulting in higher GHG emission”
Claim · model-written summary
Straw mulching produced higher GHG emission than non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulchinge0
- Outcome
- GHG emissione0
- Direction
- highere0
- Comparator
- non-mulchinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“The straw mulching produced the higher indirect emission than non-mulching, resulting in higher GHG emission”
Claim · model-written summary
Straw mulching reduced water relative to non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- Straw mulchinge0
- Outcome
- watere0
- Direction
- reducede0
- Comparator
- non-mulching treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Straw mulching significantly reduced the water and carbon footprints while simultaneously enhancing energy productivity for winter wheat compared to non-mulching treatment”
Claim · model-written summary
Straw mulching reduced carbon footprints relative to non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- Straw mulchinge0
- Outcome
- carbon footprintse0
- Direction
- reducede0
- Comparator
- non-mulching treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Straw mulching significantly reduced the water and carbon footprints while simultaneously enhancing energy productivity for winter wheat compared to non-mulching treatment”
Claim · model-written summary
Straw mulching enhancing energy productivity relative to non-mulching.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- Straw mulchinge0
- Outcome
- energy productivitye0
- Direction
- enhancinge0
- Comparator
- non-mulching treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“Straw mulching significantly reduced the water and carbon footprints while simultaneously enhancing energy productivity for winter wheat compared to non-mulching treatment”
Claim · model-written summary
Straw mulching had limited influence on energy consumption.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulchinge0
- Outcome
- energy consumption of wheat productione0
- Qualifier
- relatively limitede0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“The influence of straw mulching on the energy consumption of wheat production is relatively limited”
Claim · model-written summary
Straw mulching with one spring irrigation yielded 81 % of the maximum yield.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulching with a single spring irrigatione0
- Outcome
- grain yielde0
- Value
- 81 %e0
- Comparator
- maximum yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“The grain yield combing straw mulching with a single spring irrigation reached 81 % of the maximum yield”
Claim · model-written summary
The authors identified straw mulching with one critical-stage irrigation as the best treatment.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- straw mulching combined with one irrigation at critical stagee0
- Outcome
- best treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat”
e0“straw mulching combined with one irrigation at critical stage was the best treatment for wheat”
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