Paper · 2010 · Xinjiang nongye kexue

Effects of Water and Nitrogen Coupling on the Yield of Different Varieties Cotton under Film Drip Irrigation

Yan Jing-hua

7
claims
10
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

The field experiment was conducted to research the effects and differences of different quantity of water and nitrogen application on cotton yield in two cotton varieties.The results show that the yields of two cotton varieties were increased significantly with the increase of water and nitrogen,but reduced with excessive irrigation water,the maximum cotton yield were obtained with treatment N2W2(N2:360kg/hm2;W2:4500 m3/hm2).The cotton yield of Biaoza A1 is significantly higher than that of Xinluzao33,there was no significant difference between in treatment N1W1 and N1W3,other treatments showed ignificant difference in cotton yield between the two varieties.These results suggested that the yield and water and fertilizer use efficiency can be enhanced evidently by adopting suitable measures of water and fertilize application based on different cotton varieties.

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Claims 7

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Cotton yield increased significantly with increasing water and nitrogen application.

Treatment
water and nitrogene0
Outcome
yieldse0
Direction
increasede0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the yields of two cotton varieties were increased significantly with the increase of water and nitrogen”

✓ located verbatim in the source · abstract, characters 193–296 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Excessive irrigation water reduced cotton yield.

Treatment
excessive irrigation watere0
Outcome
Cottont0
Direction
reducede0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“reduced with excessive irrigation water”

✓ located verbatim in the source · abstract, characters 301–340 · show in text ↑
t0

“Cotton”

✓ located verbatim in the source · title, characters 75–81 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N2W2 produced the maximum cotton yield.

Treatment
N2W2(N2:360kg/hm2;W2:4500 m3/hm2)e0
Outcome
cotton yielde0
Direction
maximume0

Not reportedComparator

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the maximum cotton yield were obtained with treatment N2W2(N2:360kg/hm2;W2:4500 m3/hm2)”

✓ located verbatim in the source · abstract, characters 341–428 · show in text ↑
Observationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Biaoza A1 had significantly higher cotton yield than Xinluzao33.

Material
Biaoza A1e0
Outcome
cotton yielde0
Direction
highere0
Comparator
Xinluzao33e0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The cotton yield of Biaoza A1 is significantly higher than that of Xinluzao33”

✓ located verbatim in the source · abstract, characters 429–506 · show in text ↑
Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Cotton yield did not differ significantly between the varieties under N1W1 and N1W3.

Treatment
N1W1 and N1W3e0
Outcome
cotton yielde1
Direction
no significant differencee0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“there was no significant difference between in treatment N1W1 and N1W3”

✓ located verbatim in the source · abstract, characters 507–577 · show in text ↑
e1

“cotton yield between the two varieties”

✓ located verbatim in the source · abstract, characters 627–665 · show in text ↑
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Other treatments showed a significant yield difference between the cotton varieties.

Treatment
other treatmentse0
Outcome
cotton yielde0

Not reportedDirection

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“other treatments showed ignificant difference in cotton yield between the two varieties”

✓ located verbatim in the source · abstract, characters 578–665 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest tailored water and fertilizer application can enhance cotton yield and resource use efficiency.

Treatment
suitable measures of water and fertilize applicatione0
Outcome
yield and water and fertilizer use efficiencye0
Direction
enhancede0

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

Gossypium hirsutum
Gossypium hirsutum · TaxonChriKo · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the yield and water and fertilizer use efficiency can be enhanced evidently by adopting suitable measures of water and fertilize application based on different cotton varieties”

✓ located verbatim in the source · abstract, characters 695–871 · show in text ↑
t0

“Cotton”

✓ located verbatim in the source · title, characters 75–81 · show in text ↑

irrigation · organism · Gossypium hirsutum (cotton)Positive and negative results

22 papers: 15 positive, 7 negative or no effect

6 papers in the same direction as this paper · 15 in the opposite direction

  1. positive
  2. positive
  3. positive

18 papers more in this group

See all 22 papers →

nitrogen · yield · Gossypium hirsutum (cotton)Positive and negative results

343 papers: 286 positive, 57 negative or no effect

285 papers in the same direction as this paper · 53 in the opposite direction · 4 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

339 papers more in this group

See all 343 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.