Abstract
In northern India, chilli is transplanted in the hot and dry months of February and March when the crop depends upon irrigation water for canopy establishment. Hybrid chilli may require more irrigation water and fertilizer N due to its higher yield potential but the problem of the depleting groundwater table in the region necessitates developing a technique for reducing water requirement. Rice residue mulching can lower soil temperature and reduce evaporation losses from soil. An experiment was conducted on sandy loam soil for three years to evaluate the effect of rice straw mulch @ 6 Mg ha−1 on yield, fertilizer N and irrigation water requirement of hybrid chilli. Maximum and minimum soil temperatures at 50 mm depth during 2003 were lowered up to 8.9 and 2.2°C, respectively, by rice residue mulching. Mulching improved fresh red chilli yield by 2.4 Mg ha−1 and required 120 mm less irrigation water. Substantial yield increase with mulching may be attributed to favourable soil hydrothermal regime as evident from lower soil temperature, higher profile moisture (12 mm) and 13.5 Mg ha−1 lower weed biomass. Chilli yield obtained with 45 kg N ha−1 with mulch was the same as that of 75 kg N ha−1 without mulch. Ascorbic acid content decreased with lower irrigation frequency but was significantly higher without mulch.
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
Rice residue mulch lowered maximum soil temperature at 50 mm by up to 8.9°C.
- Taxon
- hybrid chillit0
- Treatment
- rice residue mulchinge0
- Outcome
- soil temperaturese0
- Direction
- lowerede0
- Value
- 8.9e0
Not reportedOrgan / stageComparator
Verbatim
e0“Maximum and minimum soil temperatures at 50 mm depth during 2003 were lowered up to 8.9 and 2.2°C, respectively, by rice residue mulching”
t0“hybrid chilli”
Claim · model-written summary
Rice residue mulch lowered minimum soil temperature at 50 mm by up to 2.2°C.
- Taxon
- hybrid chillit0
- Treatment
- rice residue mulchinge0
- Outcome
- minimum soil temperaturese0
- Direction
- lowerede0
- Value
- 2.2°Ce0
Not reportedComparator
Verbatim
e0“Maximum and minimum soil temperatures at 50 mm depth during 2003 were lowered up to 8.9 and 2.2°C, respectively, by rice residue mulching”
t0“hybrid chilli”
Claim · model-written summary
Mulching increased fresh red chilli yield by 2.4 Mg ha−1.
- Taxon
- chillie0
- Treatment
- Mulchinge0
- Outcome
- fresh red chilli yielde0
- Direction
- improvede0
- Value
- 2.4 Mg ha−1e0
Not reportedComparator
Verbatim
e0“Mulching improved fresh red chilli yield by 2.4 Mg ha−1”
Claim · model-written summary
Mulching required 120 mm less irrigation water.
Not reportedComparator
Verbatim
e0“Mulching improved fresh red chilli yield by 2.4 Mg ha−1 and required 120 mm less irrigation water”
t0“hybrid chilli”
Claim · model-written summary
Mulching increased soil profile moisture by 12 mm.
Not reportedComparator
Verbatim
e0“higher profile moisture (12 mm)”
e1“with mulching”
t0“hybrid chilli”
Claim · model-written summary
Mulching lowered weed biomass by 13.5 Mg ha−1.
- Taxon
- hybrid chillit0
- Treatment
- mulchinge1
- Interactor
- weede0weed
- Outcome
- weed biomasse0
- Direction
- lowere0
- Value
- 13.5 Mg ha−1e0
Not reportedComparator
Verbatim
e0“13.5 Mg ha−1 lower weed biomass”
e1“with mulching”
t0“hybrid chilli”
Claim · model-written summary
Chilli yield with 45 kg N ha−1 plus mulch was the same as with 75 kg N ha−1 without mulch.
Verbatim
e0“Chilli yield obtained with 45 kg N ha−1 with mulch was the same as that of 75 kg N ha−1 without mulch”
Claim · model-written summary
Lower irrigation frequency decreased chilli ascorbic acid content.
- Taxon
- hybrid chillit0
- Treatment
- lower irrigation frequencye0
- Outcome
- Ascorbic acid contente0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“Ascorbic acid content decreased with lower irrigation frequency”
t0“hybrid chilli”
Claim · model-written summary
Chilli ascorbic acid content was significantly higher without mulch.
Not reportedComparator
Verbatim
e0“Ascorbic acid content decreased with lower irrigation frequency but was significantly higher without mulch”
t0“hybrid chilli”
The same questions in other papers
mulching · yield · Capsicum (peppers)Results differ
38 papers in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
37 papers more in this group
See all 41 papers →irrigation · quality: phytochemicals · Capsicum (peppers)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- no effect
2 papers more in this group
See all 6 papers →mulching · weed · Capsicum (peppers)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
5 papers more in this group
See all 9 papers →nitrogen · yield · Capsicum (peppers)Positive and negative results
3 papers in the same direction as this paper · 31 in the opposite direction
- positive
- positive
- positive
31 papers more in this group
See all 35 papers →mulching · quality: phytochemicals · Capsicum (peppers)Results agree
1 paper in the same direction as this paper
- positive
mulching · physiology: water · Capsicum (peppers)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →mulching · soil: physics · Capsicum (peppers)Results agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 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.