Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf CEC exceeded stolon CEC, which exceeded root CEC.

Taxon: leafe0
Outcome: CECe0
Direction: greater thane0

Verbatim

e0
“The CEC of leaf was greater than that of stolon which in turn was greater than that of root material”
✓ located verbatim in the source · abstract, characters 445–545

Title

Aspects of the phosphorus nutrition of white clover populations. IIII cation exchange capacity

J.R. Caradus; R.W. Snaydon Journal of Plant Nutrition 1987. doi:10.1080/01904168709363574

Other claims from this paper (12)

Association Leaf CEC correlated with stolon CEC.
Association Leaf CEC correlated with root CEC.
Association Stolon CEC and root CEC were not significantly correlated.
Observation CEC differed significantly between populations and between genotypes within populations.
Association At high phosphorus, root CEC correlated with plant growth rate.
Association At high phosphorus, stolon CEC correlated with growth rate to a lesser extent.
Association Leaf CEC tended not to correlate with growth attributes.
Intervention effect Root CEC was lower in plants grown under phosphorus deficiency.
Observation Population by organ and population by phosphorus by organ interactions were significant.
Association Population root CEC did not significantly correlate with origin site phosphorus status or soil pH.
Association Root CEC did not significantly correlate with population response to phosphorus.
Recommendation The authors concluded CEC is unlikely to screen white clover genotypes for low-phosphorus tolerance.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Leaf CEC correlated with root CEC.

Taxon: leafe0
Organ / stage: roote0
Outcome: leaf CECe0
Direction: correlatede0
Value: r=+0.69∗e0

Not reportedSetting

Verbatim

e0
“leaf CEC was correlated with root CEC (r=+0.69∗)”
✓ located verbatim in the source · abstract, characters 612–660

Title

Aspects of the phosphorus nutrition of white clover populations. IIII cation exchange capacity

J.R. Caradus; R.W. Snaydon Journal of Plant Nutrition 1987. doi:10.1080/01904168709363574

Other claims from this paper (12)

Observation Leaf CEC exceeded stolon CEC, which exceeded root CEC.
Association Leaf CEC correlated with stolon CEC.
Association Stolon CEC and root CEC were not significantly correlated.
Observation CEC differed significantly between populations and between genotypes within populations.
Association At high phosphorus, root CEC correlated with plant growth rate.
Association At high phosphorus, stolon CEC correlated with growth rate to a lesser extent.
Association Leaf CEC tended not to correlate with growth attributes.
Intervention effect Root CEC was lower in plants grown under phosphorus deficiency.
Observation Population by organ and population by phosphorus by organ interactions were significant.
Association Population root CEC did not significantly correlate with origin site phosphorus status or soil pH.
Association Root CEC did not significantly correlate with population response to phosphorus.
Recommendation The authors concluded CEC is unlikely to screen white clover genotypes for low-phosphorus tolerance.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Leaf CEC correlated with stolon CEC.

Taxon: leafe0
Organ / stage: stolone0
Outcome: Leaf CECe0
Direction: correlatede0
Value: r=+0.80∗∗e0

Not reportedSetting

Verbatim

e0
“Leaf CEC was closely correlated with stolon CEC (r=+0.80∗∗)”
✓ located verbatim in the source · abstract, characters 547–606

Title

Aspects of the phosphorus nutrition of white clover populations. IIII cation exchange capacity

J.R. Caradus; R.W. Snaydon Journal of Plant Nutrition 1987. doi:10.1080/01904168709363574

Other claims from this paper (12)

Observation Leaf CEC exceeded stolon CEC, which exceeded root CEC.
Association Leaf CEC correlated with root CEC.
Association Stolon CEC and root CEC were not significantly correlated.
Observation CEC differed significantly between populations and between genotypes within populations.
Association At high phosphorus, root CEC correlated with plant growth rate.
Association At high phosphorus, stolon CEC correlated with growth rate to a lesser extent.
Association Leaf CEC tended not to correlate with growth attributes.
Intervention effect Root CEC was lower in plants grown under phosphorus deficiency.
Observation Population by organ and population by phosphorus by organ interactions were significant.
Association Population root CEC did not significantly correlate with origin site phosphorus status or soil pH.
Association Root CEC did not significantly correlate with population response to phosphorus.
Recommendation The authors concluded CEC is unlikely to screen white clover genotypes for low-phosphorus tolerance.

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Stolon CEC and root CEC were not significantly correlated.

Taxon: stolone0
Organ / stage: roote0
Outcome: stolon CECe0
Direction: not significantly correlatede0
Value: r=+0.48e0

Not reportedSetting

Verbatim

e0
“stolon CEC and root CEC were not significantly correlated (r=+0.48)”
✓ located verbatim in the source · abstract, characters 665–732

Title

Aspects of the phosphorus nutrition of white clover populations. IIII cation exchange capacity

J.R. Caradus; R.W. Snaydon Journal of Plant Nutrition 1987. doi:10.1080/01904168709363574

Other claims from this paper (12)

Observation Leaf CEC exceeded stolon CEC, which exceeded root CEC.
Association Leaf CEC correlated with stolon CEC.
Association Leaf CEC correlated with root CEC.
Observation CEC differed significantly between populations and between genotypes within populations.
Association At high phosphorus, root CEC correlated with plant growth rate.
Association At high phosphorus, stolon CEC correlated with growth rate to a lesser extent.
Association Leaf CEC tended not to correlate with growth attributes.
Intervention effect Root CEC was lower in plants grown under phosphorus deficiency.
Observation Population by organ and population by phosphorus by organ interactions were significant.
Association Population root CEC did not significantly correlate with origin site phosphorus status or soil pH.
Association Root CEC did not significantly correlate with population response to phosphorus.
Recommendation The authors concluded CEC is unlikely to screen white clover genotypes for low-phosphorus tolerance.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Chlorosis differences among herbicide rates were greatest at low CEC and diminished as CEC increased.

Taxon: SunflowerHelianthus annuust0
Treatment: sulfentrazone ratese0
Outcome: Differences in chlorosise0
Direction: lessenede0
Setting: soil CECe0

Verbatim

t0
“Sunflower”
✓ located verbatim in the source · title, characters 45–54

e0
“Differences in chlorosis among sulfentrazone rates were greatest in soil with low CEC and lessened as soil CEC increased.”
✓ located verbatim in the source · abstract, characters 770–891

Title

Soil pH and Cation Exchange Capacity Affects Sunflower Tolerance to Sulfentrazone

Gregory W. Kerr; Phillip W. Stahlman; J. Anita Dille Weed Technology 2004. doi:10.1614/wt-03-025r

Other claims from this paper (10)

Association Sulfentrazone-induced chlorosis differences by soil pH at 12 DAP disappeared nine days later.
Association At 12 DAP chlorosis was 3 or 4% more severe at pH 7.3 or higher than pH 7.0.
Association At 105 g/ha sulfentrazone, chlorosis was 17% less at 23 than 8.2 cmol/kg CEC.
Association At 158 g/ha sulfentrazone, chlorosis was 25% less at 23 than 8.2 cmol/kg CEC.
Association At 184 g/ha sulfentrazone, chlorosis was 35% less at 23 than 8.2 cmol/kg CEC.
Observation Plants regained normal color and newly emerging leaves were unaffected.
Intervention effect Sulfentrazone at 158 g/ha or above reduced plant dry weights.
Association Dry weights were lower at 8.2 CEC than 13.7 cmol/kg or higher.
Observation Dry matter did not differ in treated soil above 13.7 cmol/kg CEC.
Association CEC affected sulfentrazone tolerance more than soil pH in tested ranges.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

CEC contributed 24% to SQI.

Outcome: CECe0
Value: 24%e0

Not reportedTaxon

Verbatim

e0
“CEC (24%)”
✓ located verbatim in the source · abstract, characters 820–829

Title

Identifying soil quality indicators for two contrasting agro-ecological sub-regions of India

Padikkal Chandran; Duraisamy Vasu; Pramod Tiwary; et al. Archives of Agronomy and Soil Science 2021. doi:10.1080/03650340.2021.1958319

Other claims from this paper (10)

Method / resource Soil pH, active carbon pool, and available Zn were common soil quality indicators in both regions.
Observation SQI under cotton and sugarcane in AESR 6.1 was higher than SQI under rice in AESR 18.4.
Observation EC contributed 35% to SQI.
Observation pH contributed 23% to SQI.
Observation clay contributed 17% to SQI.
Observation ACP contributed 14% to SQI.
Association RSQI was strongly related to cotton yield (R2 = 0.52).
Association RSQI was strongly related to sugarcane yield (R2 = 0.68).
Association RSQI was strongly related to rice yield (R2 = 0.64).
Recommendation The authors concluded that region specific soil indicators are suitable for evaluating and monitoring agroecosystem functions.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Both conventional CEC measures greatly overestimated peat CEC at unbuffered pH.

Outcome: CEC of the peate0
Direction: overestimatede0
Comparator: unbuffered pHe0

Not reportedTaxon

Verbatim

e0
“both greatly overestimated the CEC of the peat at its unbuffered pH.”
✓ located verbatim in the source · abstract, characters 1390–1458

Title

Leaching losses of nutrients and yield and nutrient uptake by container‐grown begonia as affected by lime and fertiliser applications to a peat medium

Richar D. J. Haynes Journal of the Science of Food and Agriculture 1982. doi:10.1002/jsfa.2740330503

Other claims from this paper (18)

Observation Mineral N and P recoveries were 60–80%.
Observation Ca, Mg and K recoveries were 95 to 111%.
Observation Without plants, mineral N leaching loss was 75–76%.
Observation Without plants, P leaching loss was 59–74%.
Observation Without plants, Ca leaching loss was 5–7%.
Observation Without plants, Mg leaching loss was 14–19%.
Observation Without plants, K leaching loss was 17–31%.
Intervention effect Plants lowered N leaching loss by 9.3% on average.
Intervention effect Plants lowered P leaching loss by 4.4% on average.
Intervention effect Plants lowered Ca leaching loss by 0.5% on average.
Intervention effect Plants lowered Mg leaching loss by 0.3% on average.
Intervention effect Plants lowered K leaching loss by 1.3% on average.
Intervention effect Liming tended to lower NH4-N, P, Ca and Mg leaching losses.
Intervention effect Liming tended to raise K and NO3-N leaching losses.
Observation Peat phosphate adsorption capacity was unmeasurable.
Observation High pH and N rates produced significant ammonia fixation from added ammonium sulfate.
Intervention effect Effective and unbuffered NH4Cl CEC more than doubled with liming as peat pH rose from 4.3 to 5.6.
Intervention effect Conventional ammonium acetate and BaCl2-TEA CEC measurements were unaffected by initial lime rates.

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

Predictive models for soil CEC after biochar application were successfully developed from initial soil and biochar CEC.

Taxon: ryegrassLoliume3
Outcome: predictive models for estimation of soil CEC after biochar applicatione0
Comparator: initial soil and biochar CECe0

Not reportedDirection

Verbatim

e3
“grown with ryegrass”
✓ located verbatim in the source · abstract, characters 613–632

e0
“predictive models for estimation of soil CEC after biochar application were successfully developed based on initial soil and biochar CEC”
✓ located verbatim in the source · abstract, characters 1406–1542

Title

Comparative analysis and prediction of cation exchange capacity via summation: influence of biochar type and nutrient ratios

Joao Arthur Antonangelo; Steven Culman; Hailin Zhang Frontiers in Soil Science 2024. doi:10.3389/fsoil.2024.1371777

Other claims from this paper (6)

Observationobservedoriginal resultmeasured

Claim · model-written summary

CEC was 20.8~21.3.

Outcome: CECe0
Value: 20.8~21.3e0

Not reportedTaxon

Verbatim

e0
“CEC 20.8~21.3”
✓ located verbatim in the source · abstract, characters 605–618

Title

Environmental and Growth Characteristics of Pimpinella brachycarpa Habitat in Mt. Jeombong, Korea

Yun Mi Park; Mahn-Jo Kim Journal of Korean Society of Forest Science 2011

Other claims from this paper (10)

Observation P. brachycarpa populations occurred at 978~1016 m altitude.
Observation Average atmospheric humidity at the populations hovered at 80 percent.
Observation Soil moisture content in the populations was 26.7%.
Observation Organic matter was 11.1~11.7%.
Observation Nitrate nitrogen was 0.60%.
Observation Available phosphorus was 19.5~39.0 ppm.
Observation Soil pH was 4.7~4.8.
Association Shoot length was significantly longer under improved light in sunny forest than dense forest.
Mechanism The authors inferred high humidity and soil moisture to be growth factors.
Association The authors inferred that light amount affects relative growth rate.

Observationobservedreview summarypositivebasis n/a

Claim · model-written summary

Steel slag improved soil pH and CEC.

Outcome: pH and CECe0

Not reportedTaxon

Verbatim

e0
“steel slag can improve some chemical characteristics like pH and CEC”
✓ located verbatim in the source · abstract, characters 1029–1097

Title

Utilization of Steel Slag in Agriculture (Review)

Rina Devnita; Apong Sandrawati; Mahfud Arifin Soil Rens Jurnal Ilmiah Lingkungan Tanah Pertanian 2021. doi:10.24198/soilrens.v19i1.35090

Other claims from this paper (3)

“CEC”

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