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Associationobservedoriginal resultmeasured

Claim · model-written summary

The effect of precipitation on soil organic matter, nitrogen and phosphorus decreased in the order of soil total nitrogen, organic matter, total phosphorus, available nitrogen and available phosphorus.

Treatment
precipitatione1
Outcome
soil organic matter, nitrogen and phosphoruse1
Qualifier
decreased with soil total nitrogen, soil organic matter, soil total phosphorus, soil available nitrogen and soil available phosphoruse1

Not reportedTaxonDirection

Verbatim

e1

“The effect of precipitation on soil organic matter, nitrogen and phosphorus decreased with soil total nitrogen, soil organic matter, soil total phosphorus, soil available nitrogen and soil available phosphorus”

✓ located verbatim in the source · abstract, characters 582–791

Title

Distribution of organic matter、nitrogen and phosphorus along an altitude gradient and productivity change and their relationships with environmental factors in the Alpine meadow

Changting Wang; Long Rui-jun; Qiji Wang; et al. Acta Pratacultural Science 2005

Other claims from this paper (5)
Associationobservedoriginal resultmeasured

Claim · model-written summary

The effect of temperature on soil organic matter, nitrogen and phosphorus decreased in the order of soil available nitrogen, organic matter, total nitrogen, total phosphorus and available phosphorus.

Treatment
temperaturee1
Outcome
soil organic matter, nitrogen and phosphoruse1
Qualifier
decreased with soil available nitrogen, soil organic matter, soil total nitrogen, soil total phosphorus, and soil available phosphoruse1

Not reportedTaxonDirection

Verbatim

e1

“The effect of temperature on soil organic matter, nitrogen and phosphorus decreased with soil available nitrogen, soil organic matter, soil total nitrogen, soil total phosphorus, and soil available phosphorus”

✓ located verbatim in the source · abstract, characters 793–1001

Title

Distribution of organic matter、nitrogen and phosphorus along an altitude gradient and productivity change and their relationships with environmental factors in the Alpine meadow

Changting Wang; Long Rui-jun; Qiji Wang; et al. Acta Pratacultural Science 2005

Other claims from this paper (5)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Organic soil amendments increased soil organic matter and total nitrogen.

Treatment
Organic soil amendmentse0
Outcome
soil organic matter and total nitrogene0
Direction
increasede0

Not reportedTaxonComparator

Verbatim

e0

“Organic soil amendments increased the level of soil organic matter and total nitrogen”

✓ located verbatim in the source · abstract, characters 610–695

Title

Combined Organic/Inorganic Fertilization Enhance Soil Quality and Increased Yield, Photosynthesis and Sustainability of Sweet Maize Crop

Αspasia Efthimiadou; Dimitrios Bilalis; Anestis Karkanis; et al. Australian Journal of Crop Science 2010

Other claims from this paper (6)
Associationobservedoriginal resultmeasured

Claim · model-written summary

Illinois Soil Nitrogen Test values were highly correlated with total soil nitrogen, total soil organic carbon and soil organic matter.

Outcome
ISNT valuese0
Comparator
total soil N (TN), total soil organic carbon (TC), and soil organic matter (OM)e0

Not reportedDirection

Verbatim

t0

“Corn”

✓ located verbatim in the source · title, characters 57–61
e0

“The ISNT values were highly correlated to total soil N (TN), total soil organic carbon (TC), and soil organic matter (OM)”

✓ located verbatim in the source · abstract, characters 935–1056

Title

An Evaluation of the Illinois Soil Nitrogen Test in Iowa Corn Production

John E. Sawyer; Daniel W. Barker Crop Management 2011. doi:10.1094/cm-2011-0630-01-rs

Other claims from this paper (5)
Method / resourceobservedoriginal resultnegativemeasured

Claim · model-written summary

Soil organic matter or total soil nitrogen was relatively ineffective as an index.

Outcome
relatively ineffectivee0
Comparator
soil organic matter or total soil nitrogen contentse0

Not reportedTaxon

Verbatim

e0

“Determination of soil organic matter or total soil nitrogen contents was relatively ineffective.”

✓ located verbatim in the source · abstract, characters 213–309

Title

AN EVALUATION OF NITROGEN SOIL TEST METHODS FOR ONTARIO SOILS

J. A. Smith Canadian Journal of Soil Science 1966. doi:10.4141/cjss66-029

Other claims from this paper (4)
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Soil organic matter, total nitrogen and total phosphorus increased.

Taxon
MaizeZea mayst0
Treatment
improvement of soil fertilitye1
Outcome
soil organic matter,total nitrogen,total phosphoruse0
Direction
increasede0

Not reportedComparator

Verbatim

e0

“soil organic matter,total nitrogen,total phosphorus,available phosphorus increased”

✓ located verbatim in the source · abstract, characters 429–511
e1

“improvement of soil fertility 6 years”

✓ located verbatim in the source · abstract, characters 223–260
t0

“Maize”

✓ located verbatim in the source · title, characters 10–15

Title

Effect of Maize Straw Return to Soil on Premature Senescence

Yuqi Wang Liaoning nongye kexue 2012

Other claims from this paper (10)
Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Nitrogen input significantly affected soil pH, total nitrogen and organic matter.

Treatment
N inpute0
Outcome
potential of hydrogen, total nitrogen, organic mattere0

Not reportedTaxon

Verbatim

e0

“N input significantly affected soil nutrients (potential of hydrogen, total nitrogen, organic matter, and total phosphorus)”

✓ located verbatim in the source · abstract, characters 675–798

Title

Nitrogen addition enhances seed yield by improving soil enzyme activity and nutrients

Wenbo Mi; Feng Luo; Wenhui Liu; et al. PeerJ 2024. doi:10.7717/peerj.16791

Other claims from this paper (6)
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Soil sterilization significantly influenced organic matter content, PO4-P and total organic nitrogen levels.

Treatment
Soil sterilizatione1
Outcome
organic matter content, PO(4)-P and total organic nitrogen levelse1

Not reportedTaxonComparatorDirection

Verbatim

e1

“Soil sterilization significantly influenced the organic matter content, PO(4)-P and total organic nitrogen levels”

✓ located verbatim in the source · abstract, characters 1056–1169

Title

Interaction of 8-Hydroxyquinoline with Soil Environment Mediates Its Ecological Function

Inderjit; Devika Bajpai; M. S. Rajeswari PLoS ONE 2010. doi:10.1371/journal.pone.0012852

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Other claims from this paper (7)
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Long cultivation reduced soil organic matter, total nitrogen and available nitrogen.

Taxon
sugarcanet0
Treatment
Extended cultivatione0
Outcome
soil organic matter, N-total, and available nitrogene0
Direction
reducede0

Not reportedSetting

Verbatim

e0

“Extended cultivation reduced soil organic matter, N-total, and available nitrogen”

✓ located verbatim in the source · abstract, characters 821–902
t0

“sugarcane”

✓ located verbatim in the source · title, characters 21–30

Title

Long-term effects of sugarcane monoculture on soil pedomorphology and physicochemical properties in tropical agroecosystems

Anna Kusumawati; Amir Noviyanto Plant Soil and Environment 2025. doi:10.17221/648/2024-pse

Other claims from this paper (8)
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Soil water content, organic matter and total nitrogen decreased in degraded meadows.

Outcome
soil water content,soil organic matter and total soil nitrogene0

Not reportedTaxonDirection

Verbatim

e0

“as well as soil water content,soil organic matter and total soil nitrogen.”

✓ located verbatim in the source · abstract, characters 353–427

Title

Comparison of plant and soil characters between healthy and degraded Kobresia meadows in Yushu,Qinghai

Sun Chang-hong 2013

Other claims from this paper (7)

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