Paper · 2020 · Applied Ecology and Environmental Research

EFFECTS OF DEGRADABLE MULCHING FILM ON SOIL TEMPERATURE, SEED GERMINATION AND SEEDLING GROWTH OF DIRECT-SEEDED RICE (ORYZA SATIVA L.)

H. LI; S. ZENG; X.W. LUO; et al.

9
claims
18
verbatim quotes
6
citations
2
research areas
✓
Open access

Abstract

The effect of degradable mulching film on dry direct-seeded rice remains largely unknown. Then the aim of this research is to investigate the effects of degradable mulching film on dry direct-seeded rice. A field investigation of four treatments (CK: non-mulching; MF1: a degradable film (Shanghai Hongrui Biotech, Shanghai, China); MF2: a degradable film (Xifeng Plastic Corp. Ltd., Baishan, China); MF3: common agricultural mulching film (Jialiming New Material Corp Ltd., Hinggan League, China)) was conducted to evaluate the effects of degradable mulching film on the rice seed germination, seedling growth, soil temperature, and grain yield of dry direct-seeded rice. The results showed that compared to CK, mulching film treatments increased soil temperature, especially at night time, improved seed germination rate, plant height, leaf area of seedlings, and grain yield. MF1 showed good degradation performances and had the highest soil temperature at the night time of 13.65 -14.08 , grain yield at 7.938t ha -1 , and seedling growth with shoot dry mass at 46.73 mg plant -1 and root dry mass at 31.34 mg plant -1 . The germination rate significantly increased by 6.99%-755.60% at MF1 as compared to CK. Overall, mulching films resulted in high yield due to the increasing soil temperature, seedling germination, and improving seedling growth, amongst MF1 performance the best.

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Claims 9

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mulching film treatments increased soil temperature compared with non-mulching (CK), especially at night.

Taxon
ORYZA SATIVA L.t0
Treatment
mulching film treatmentse0
Outcome
soil temperaturee0
Direction
increasede0
Qualifier
especially at night timee0
Comparator
CKe0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“compared to CK, mulching film treatments increased soil temperature, especially at night time, improved seed germination rate, plant height, leaf area of seedlings, and grain yield”

✓ located verbatim in the source · abstract, characters 697–877 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mulching film treatments improved seed germination rate, plant height and leaf area of rice seedlings compared with non-mulching (CK).

Taxon
ORYZA SATIVA L.t0
Treatment
mulching film treatmentse0
Outcome
seed germination rate, plant height, leaf area of seedlingse0
Direction
improvede0
Comparator
CKe0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“compared to CK, mulching film treatments increased soil temperature, especially at night time, improved seed germination rate, plant height, leaf area of seedlings, and grain yield”

✓ located verbatim in the source · abstract, characters 697–877 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mulching film treatments improved rice grain yield compared with non-mulching (CK).

Taxon
ORYZA SATIVA L.t0
Treatment
mulching film treatmentse0
Outcome
grain yielde0
Direction
improvede0
Comparator
CKe0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“compared to CK, mulching film treatments increased soil temperature, especially at night time, improved seed germination rate, plant height, leaf area of seedlings, and grain yield”

✓ located verbatim in the source · abstract, characters 697–877 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

The degradable film MF1 gave the highest night-time soil temperature, 13.65 -14.08.

Taxon
ORYZA SATIVA L.t0
Outcome
highest soil temperature at the night timee0
Value
13.65 -14.08e0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“highest soil temperature at the night time of 13.65 -14.08”

✓ located verbatim in the source · abstract, characters 932–990 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Under MF1, grain yield was 7.938 t ha-1.

Taxon
ORYZA SATIVA L.t0
Outcome
grain yielde0
Value
7.938t ha -1e0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“grain yield at 7.938t ha -1”

✓ located verbatim in the source · abstract, characters 993–1020 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Under MF1, seedling shoot dry mass was 46.73 mg per plant.

Taxon
ORYZA SATIVA L.t0
Outcome
shoot dry masse0
Value
46.73 mg plant -1e0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“shoot dry mass at 46.73 mg plant -1”

✓ located verbatim in the source · abstract, characters 1048–1083 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Under MF1, seedling root dry mass was 31.34 mg per plant.

Taxon
ORYZA SATIVA L.t0
Outcome
root dry masse0
Value
31.34 mg plant -1e0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“root dry mass at 31.34 mg plant -1”

✓ located verbatim in the source · abstract, characters 1088–1122 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Germination rate increased significantly, by 6.99%-755.60%, with MF1 compared with CK.

Taxon
ORYZA SATIVA L.t0
Treatment
MF1e0
Outcome
germination ratee0
Direction
increasede0
Value
6.99%-755.60%e0
Comparator
CKe0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“The germination rate significantly increased by 6.99%-755.60% at MF1 as compared to CK”

✓ located verbatim in the source · abstract, characters 1125–1211 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors attribute the high yield under mulching films to increased soil temperature, seedling germination and improved seedling growth.

Taxon
ORYZA SATIVA L.t0
Treatment
mulching filmse0
Outcome
high yielde0
Qualifier
increasing soil temperature, seedling germination, and improving seedling growthe0

Verbatim

t0

“ORYZA SATIVA L.”

✓ located verbatim in the source · title, characters 117–132 · show in text ↑
e0

“mulching films resulted in high yield due to the increasing soil temperature, seedling germination, and improving seedling growth”

✓ located verbatim in the source · abstract, characters 1222–1351 · show in text ↑

mulching · yield · Oryza sativa (rice)Results differ

126 papers: 106 positive, 20 negative or no effect

105 papers in the same direction as this paper · 17 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
    Mulching reduced rice yield by 43% in one of four comparisons with burning.

    Effect of residue management and fallow length on weeds and rice yield · 1998 · compared with farmers' traditional burning of crop and weed residues

    Opposite direction

  2. negative
  3. negative

122 papers more in this group

See all 126 papers →

mulching · growth · Oryza sativa (rice)Positive and negative results

46 papers: 34 positive, 12 negative or no effect

33 papers in the same direction as this paper · 12 in the opposite direction

  1. negative
  2. no effect
  3. negative

42 papers more in this group

See all 46 papers →

mulching · soil: physics · Oryza sativa (rice)Results agree

13 papers: 13 positive, 0 negative or no effect

12 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

9 papers more in this group

See all 13 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.