Paper · 2015 · Advanced materials research

Effect of Water and Nitrogen Fertilizer Coupling on the Yield and Panicle Architecture of Japonica Rice in Cold Area

Yan Jiang Feng; Wen Zhong Zhang; Jing Yang Bian; et al.

12
claims
24
verbatim quotes
0
citations
2
research areas
✓
Open access · cc-by

Abstract

This thesis has listed rice as the research object, and by way of water treatment (water-saving treatment and CK treatment) and nitrogen-fertilizer treatment (N0, N1, N2, N3, N4), to analyze the effects of water and nitrogen fertilizer coupling on the yield and panicle architecture of rice. Results show that compared with CK, water-saving irrigation is more effective in promoting the yield. Under N-fertilizer treatment of N1, N2 and N3, the rice yield was increased by more than 10%; while under N0 and N4, the yield difference was not significant. With the increased apply of Nitrogen, under the two watering means, the yield both showed a tendency of firstly increase and later decrease. The yield hit the highest point in water-saving irrigation under N3, followed by water-saving irrigation under N2, and CK under N3.Under N2 and N3, the yield increased in water-saving irrigation was mainly contributed by the increase of the second rachis branches. The yield was increased by 30.69% and 30.37% under N2 and N3 separately. With water-saving irrigation, the yield under N3 is more than that under N2, this is mainly contributed by the increase of the grain number per panicle and the thousand seed weight. Under N3, the yield difference was not significant in either watering treatments, but water-saving irrigation has increased the average value of yield traits. Analysis of the panicle architecture has revealed that compared with CK, water-saving irrigation is more effective in increase the rice yield, which was mainly realized by the significant increase in the number of second rachis branches.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. 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 12

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-saving irrigation was more effective than CK in increasing rice yield.

Treatment
water-saving irrigatione1
Outcome
yielde1
Direction
higherinferrede1
Comparator
CKe1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Results show that compared with CK, water-saving irrigation is more effective in promoting the yield”

✓ located verbatim in the source · abstract, characters 292–392 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under N1, N2 and N3 nitrogen fertilizer, rice yield increased by more than 10%.

Treatment
N-fertilizer treatment of N1, N2 and N3e1
Outcome
rice yielde1
Direction
increasede1
Value
more than 10%e1
Setting
Cold Areat0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Under N-fertilizer treatment of N1, N2 and N3, the rice yield was increased by more than 10%”

✓ located verbatim in the source · abstract, characters 394–486 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Under N0 and N4, the rice yield difference was not significant.

Treatment
N0 and N4e1
Outcome
yield differencee1
Direction
no_changeinferrede1
Setting
Cold Areat0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“while under N0 and N4, the yield difference was not significant”

✓ located verbatim in the source · abstract, characters 488–551 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Associationobservedoriginal resultmixedmeasured

Claim · model-written summary

With increasing nitrogen, rice yield first increased and then decreased under both watering means.

Treatment
increased apply of Nitrogene1
Outcome
yielde1
Direction
firstly increase and later decreasee1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“With the increased apply of Nitrogen, under the two watering means, the yield both showed a tendency of firstly increase and later decrease”

✓ located verbatim in the source · abstract, characters 553–692 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-saving irrigation under N3 gave the highest rice yield, followed by water-saving irrigation under N2 and then CK under N3.

Treatment
water-saving irrigation under N3e1
Outcome
yielde1
Qualifier
followed by water-saving irrigation under N2, and CK under N3e1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“The yield hit the highest point in water-saving irrigation under N3, followed by water-saving irrigation under N2, and CK under N3”

✓ located verbatim in the source · abstract, characters 694–824 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Under N2 and N3, the yield increase under water-saving irrigation was mainly due to more second rachis branches.

Treatment
water-saving irrigatione1
Outcome
yielde1
Direction
increasede1
Qualifier
mainly contributed by the increase of the second rachis branchese1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Under N2 and N3, the yield increased in water-saving irrigation was mainly contributed by the increase of the second rachis branches”

✓ located verbatim in the source · abstract, characters 825–957 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-saving irrigation increased rice yield by 30.69% under N2.

Treatment
N2e1
Outcome
yielde1
Direction
increasede1
Value
30.69%e1
Setting
Cold Areat0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“The yield was increased by 30.69% and 30.37% under N2 and N3 separately”

✓ located verbatim in the source · abstract, characters 959–1030 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-saving irrigation increased rice yield by 30.37% under N3.

Treatment
N3e1
Outcome
yielde1
Direction
increasede1
Value
30.37%e1
Setting
Cold Areat0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“The yield was increased by 30.69% and 30.37% under N2 and N3 separately”

✓ located verbatim in the source · abstract, characters 959–1030 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

With water-saving irrigation, rice yield under N3 exceeded that under N2, mainly through grain number per panicle and thousand seed weight.

Treatment
water-saving irrigatione1
Outcome
yielde1
Direction
moree1
Qualifier
grain number per panicle and the thousand seed weighte1
Comparator
under N2e1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“With water-saving irrigation, the yield under N3 is more than that under N2, this is mainly contributed by the increase of the grain number per panicle and the thousand seed weight”

✓ located verbatim in the source · abstract, characters 1032–1212 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Under N3, the rice yield difference between the two watering treatments was not significant.

Treatment
N3e1
Outcome
yield differencee1
Qualifier
in either watering treatmentse1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Under N3, the yield difference was not significant in either watering treatments”

✓ located verbatim in the source · abstract, characters 1214–1294 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-saving irrigation increased the average value of rice yield traits under N3.

Treatment
water-saving irrigatione1
Outcome
average value of yield traitse1
Direction
increasede1
Setting
Cold Areat0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“but water-saving irrigation has increased the average value of yield traits”

✓ located verbatim in the source · abstract, characters 1296–1371 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Compared with CK, water-saving irrigation significantly increased the number of second rachis branches in rice.

Treatment
water-saving irrigatione1
Outcome
number of second rachis branchese1
Direction
increasee1
Comparator
CKe1
Setting
Cold Areat0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Oryza sativa Japonica Group
Oryza sativa Japonica Group · TaxonAugustus Binu : flickr : Instagram · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“compared with CK, water-saving irrigation is more effective in increase the rice yield, which was mainly realized by the significant increase in the number of second rachis branches”

✓ located verbatim in the source · abstract, characters 1428–1609 · show in text ↑
t0

“Japonica Rice in Cold Area”

✓ located verbatim in the source · title, characters 90–116 · show in text ↑

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

291 papers: 222 positive, 69 negative or no effect

221 papers in the same direction as this paper · 62 in the opposite direction · 7 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

287 papers more in this group

See all 291 papers →

irrigation · yield · Oryza sativa (rice)Positive and negative results

1,171 papers: 906 positive, 265 negative or no effect

905 papers in the same direction as this paper · 201 in the opposite direction · 64 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

1,167 papers more in this group

See all 1,171 papers →

nitrogen · yield · Oryza sativa (rice)Positive and negative results

2,045 papers: 1,803 positive, 242 negative or no effect

1,802 papers in the same direction as this paper · 193 in the opposite direction · 49 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

2,041 papers more in this group

See all 2,045 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.