Abstract
The present study evaluated the effect of different colored plastic mulching viz. olive polythene film (OPF), silver polythene film (SPF), white polythene film (WPF), black polythene film (BPF) and blue polythene film (BLPF) on soil properties, growth, physiology, biochemical and mineral nutrient composition in onion bulbs. Soil properties at 0–10 cm depth are variably affected by colored polythene film mulches. The highest values of soil moisture and pH were found when covered with a silver film, whereas black film provided the higher temperature among other types of film. The contents of nitrogen, phosphorus, potassium, and sulfur in the soils were slightly enhanced by mulching. Fresh biomass of shoot, bulb, and root was enhanced by silver colored mulching due to suitable moisture conditions, temperature and nutrients in the root zone. Plant height, number of leaves, bulb diameter and bulb length, were also remarkably increased after mulching where also the utmost values of dry biomass of shoot, bulb, and root were found. Under different colored polythene film mulches, a significant difference was found only for blue-yellow chromaticity (b*) while lightness (L*) and green-red chromaticity (a*) of onion skin did not affect significantly. With the mulching of olive colored polythene film, the skin of onion bulbs exhibited maximum b* values in compare to all mulches and control. Sugars, pyruvate and mineral nutrient concentration in onion bulbs also increased in all colored mulches whereas silver film provided the utmost value almost in all. Comparing all results, silver color polythene mulching is found to be the best choice for better onion growth, physiology, and quality.
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Claims 12
Claim · model-written summary
Silver film gave the highest soil moisture and pH.
- Taxon
- onion
Allium cepat0 - Treatment
- silver filme0
- Outcome
- soil moisture and pHe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“The highest values of soil moisture and pH were found when covered with a silver film”
Claim · model-written summary
Black film gave higher soil temperature than the other films.
- Taxon
- onion
Allium cepat0 - Treatment
- black filme0
- Outcome
- temperaturee0
- Direction
- highere0
- Comparator
- other types of filme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“black film provided the higher temperature among other types of film”
Claim · model-written summary
Mulching slightly raised soil nitrogen, phosphorus, potassium and sulfur contents.
- Taxon
- onion
Allium cepat0 - Treatment
- mulchinge0
- Outcome
- contents of nitrogen, phosphorus, potassium, and sulfur in the soilse0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“The contents of nitrogen, phosphorus, potassium, and sulfur in the soils were slightly enhanced by mulching”
Claim · model-written summary
Silver mulch increased fresh shoot, bulb and root biomass.
- Taxon
- onion
Allium cepat0 - Treatment
- silver colored mulchinge0
- Outcome
- Fresh biomass of shoot, bulb, and roote0
- Direction
- enhancede0
- Qualifier
- suitable moisture conditions, temperature and nutrients in the root zonee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“Fresh biomass of shoot, bulb, and root was enhanced by silver colored mulching due to suitable moisture conditions, temperature and nutrients in the root zone”
Claim · model-written summary
Mulching increased plant height, leaf number and bulb dimensions.
- Taxon
- onion
Allium cepat0 - Treatment
- mulchinge0
- Outcome
- Plant height, number of leaves, bulb diameter and bulb lengthe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“Plant height, number of leaves, bulb diameter and bulb length, were also remarkably increased after mulching”
Claim · model-written summary
Mulching gave the greatest dry shoot, bulb and root biomass.
- Taxon
- onion
Allium cepat0 - Outcome
- dry biomass of shoot, bulb, and roote0
- Direction
- utmoste0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“utmost values of dry biomass of shoot, bulb, and root were found”
Claim · model-written summary
Only onion skin blue-yellow chromaticity differed significantly across film colors.
- Taxon
- onion
Allium cepat0 - Organ / stage
- onion skine0
- Outcome
- blue-yellow chromaticity (b*)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“a significant difference was found only for blue-yellow chromaticity (b*) while lightness (L*) and green-red chromaticity (a*) of onion skin did not affect significantly”
Claim · model-written summary
Onion skin lightness and green-red chromaticity did not differ significantly across mulches.
- Taxon
- onion
Allium cepat0 - Outcome
- lightness (L*) and green-red chromaticity (a*) of onion skine0
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“lightness (L*) and green-red chromaticity (a*) of onion skin did not affect significantly”
Claim · model-written summary
Olive film produced the maximum onion skin b* value versus other mulches and control.
- Taxon
- onion
Allium cepat0 - Treatment
- olive colored polythene filme0
- Outcome
- b* valuese0
- Direction
- maximume0
- Comparator
- all mulches and controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“With the mulching of olive colored polythene film, the skin of onion bulbs exhibited maximum b* values in compare to all mulches and control”
Claim · model-written summary
All colored mulches increased bulb sugars, pyruvate and mineral nutrients.
- Taxon
- onion
Allium cepat0 - Treatment
- all colored mulchese0
- Outcome
- Sugars, pyruvate and mineral nutrient concentration in onion bulbse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“Sugars, pyruvate and mineral nutrient concentration in onion bulbs also increased in all colored mulches”
Claim · model-written summary
Silver film yielded the highest values for almost all measured bulb composition traits.
- Taxon
- onion
Allium cepat0 - Treatment
- silver filme0
- Outcome
- utmost valuee0
- Direction
- utmoste0
- Qualifier
- almost in alle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“silver film provided the utmost value almost in all”
Claim · model-written summary
The authors recommend silver polythene mulch for onion growth, physiology and quality.
- Taxon
- onion
Allium cepat0 - Treatment
- silver color polythene mulchinge0
- Outcome
- best choice for better onion growth, physiology, and qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“onion growth”
e0“silver color polythene mulching is found to be the best choice for better onion growth, physiology, and quality”
The same questions in other papers
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1 paper in the same direction as this paper
- positive
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.