Abstract
Core Ideas Irrigation and straw mulch increased yields and WUE, compared with non‐mulch, especially in dry years. Enhanced grain yield was largely influenced by changes in WUE, soil water, SPAD and dry matter. Residue retention in the fallow period conserves soil moisture, delays senescence and improves wheat production. Seasonal drought is a limiting factor for wheat ( Triticum aestivum L.) production in the southwest hill regions of China. During a 4‐yr field experiment conducted in Jianyang, Sichuan Basin, we evaluated the effects of production‐system residue retention on water use, physiological characteristics, and grain yield of winter wheat grown in a relay strip cropping system. Four treatments were used: whole‐period without mulch or irrigation (NM), no mulch plus irrigation at sowing and jointing (NMI); whole‐period mulch without irrigation (WM); and fallow‐period mulch without irrigation (FM). The results were that irrigation and straw mulch increased yields by 0 to ∼42% and water use efficiency (WUE) by 0 to ∼30%, compared with NM, especially in dry years. Improvement in grain yield under residue retention was attributed to increased spike number. Residue retention significantly improved the following crop parameters; tiller numbers, aboveground dry mass accumulation, soil moisture, root length density, and root surface area at critical growth stages, as well as inhibiting leaf chlorophyll loss after anthesis. The FM achieved greater performance on the above parameters than WM. Enhanced grain yield was largely influenced by changes in WUE, gravimetric soil water, SPAD value and dry matter accumulation. In conclusion, residue retention over the fallow period is instrumental in conserving soil moisture, delaying leaf senescence and improving wheat production. This treatment was also the most convenient for farmers.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 9
Claim · model-written summary
Irrigation and straw mulch increased yield by 0 to ∼42% compared with NM, especially in dry years.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- irrigation and straw mulche1
- Outcome
- yieldse1
- Direction
- increasede1
- Value
- 0 to ∼42%e1
- Qualifier
- especially in dry yearse1
- Comparator
- NMe1
- Setting
- Jianyang, Sichuan Basine2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e1“irrigation and straw mulch increased yields by 0 to ∼42% and water use efficiency (WUE) by 0 to ∼30%, compared with NM, especially in dry years”
e2“conducted in Jianyang, Sichuan Basin”
Claim · model-written summary
Irrigation and straw mulch increased water use efficiency by 0 to ∼30% compared with NM, especially in dry years.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- irrigation and straw mulche1
- Outcome
- water use efficiency (WUE)e1
- Direction
- increasede1
- Value
- 0 to ∼30%e1
- Qualifier
- especially in dry yearse1
- Comparator
- NMe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e1“irrigation and straw mulch increased yields by 0 to ∼42% and water use efficiency (WUE) by 0 to ∼30%, compared with NM, especially in dry years”
Claim · model-written summary
Improvement in grain yield under residue retention was attributed to increased spike number.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- residue retentione3
- Outcome
- grain yielde3
- Qualifier
- increased spike numbere3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e3“Improvement in grain yield under residue retention was attributed to increased spike number”
Claim · model-written summary
Grain yield was largely influenced by changes in WUE, gravimetric soil water, SPAD value and dry matter accumulation.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- grain yielde6
- Qualifier
- changes in WUE, gravimetric soil water, SPAD value and dry matter accumulatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e6“Enhanced grain yield was largely influenced by changes in WUE, gravimetric soil water, SPAD value and dry matter accumulation”
Claim · model-written summary
Residue retention significantly improved tiller numbers and aboveground dry mass accumulation at critical growth stages.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Residue retentione4
- Outcome
- tiller numbers, aboveground dry mass accumulatione4
- Direction
- improvede4
- Qualifier
- at critical growth stagese4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e4“Residue retention significantly improved the following crop parameters; tiller numbers, aboveground dry mass accumulation, soil moisture, root length density, and root surface area at critical growth stages, as well as inhibiting leaf chlorophyll loss after anthesis”
Claim · model-written summary
Residue retention significantly improved soil moisture, root length density and root surface area at critical growth stages.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Residue retentione4
- Outcome
- soil moisture, root length density, and root surface areae4
- Direction
- improvede4
- Qualifier
- at critical growth stagese4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e4“Residue retention significantly improved the following crop parameters; tiller numbers, aboveground dry mass accumulation, soil moisture, root length density, and root surface area at critical growth stages, as well as inhibiting leaf chlorophyll loss after anthesis”
Claim · model-written summary
Residue retention inhibited leaf chlorophyll loss after anthesis.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Residue retentione4
- Outcome
- leaf chlorophyll loss after anthesise4
- Direction
- inhibitinge4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e4“Residue retention significantly improved the following crop parameters; tiller numbers, aboveground dry mass accumulation, soil moisture, root length density, and root surface area at critical growth stages, as well as inhibiting leaf chlorophyll loss after anthesis”
Claim · model-written summary
Fallow-period mulch without irrigation (FM) achieved greater performance on the above parameters than whole-period mulch without irrigation (WM).
- Taxon
- wheatTriticum aestivumt0
- Treatment
- FMe5
- Outcome
- performance on the above parameterse5
- Direction
- greatere5
- Comparator
- WMe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e5“The FM achieved greater performance on the above parameters than WM”
Claim · model-written summary
The fallow-period mulch treatment was the most convenient option for farmers.
- Taxon
- wheatTriticum aestivumt0
- Outcome
- the most convenient for farmerse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Subsequent Wheat”
e7“This treatment was also the most convenient for farmers”
The same questions in other papers
organic · physiology: water · Triticum aestivum (wheat)Results differ
27 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
26 papers more in this group
See all 30 papers →organic · growth · Triticum aestivum (wheat)Results differ
59 papers in the same direction as this paper · 10 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- negative
67 papers more in this group
See all 71 papers →organic · physiology: pigments · Triticum aestivum (wheat)Positive and negative results
9 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
7 papers more in this group
See all 11 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
- no effect
- no effect
- negative
299 papers more in this group
See all 303 papers →organic · yield · Triticum aestivum (wheat)Positive and negative results
280 papers in the same direction as this paper · 35 in the opposite direction · 6 reporting no difference from an alternative
- positive
- no effect
- negative
318 papers more in this group
See all 322 papers →irrigation · yield · Triticum aestivum (wheat)Positive and negative results
797 papers in the same direction as this paper · 184 in the opposite direction · 7 reporting no difference from an alternative
- negative
- no effect
- negative
985 papers more in this group
See all 989 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.