Search claims · PlantClaims

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Average total height, height growth and diameter at breast height did not differ significantly among black walnut families.

Taxon: black walnutJuglans nigrae0
Outcome: Average total height, height growth, and diameter at breast heighte1

Verbatim

e0
“Average survival, 7-year stem diameter, and stem diameter growth differed significantly among 34 black walnut families planted in West Virginia”
✓ located verbatim in the source · abstract, characters 0–143

e1
“Average total height, height growth, and diameter at breast height were not significantly different among families”
✓ located verbatim in the source · abstract, characters 145–259

Title

Survival and Growth

G. W. Wendel; Donald E. Dorn 1985

Other claims from this paper (2)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

After 1984 fertilizer had no significant effect on Populus height growth, total height or diameter.

Taxon: PopulusPopulust0
Treatment: fertilizere0
Outcome: height growth, total height, or diametere0
Direction: no significant effectse0

Not reportedComparator

Verbatim

t0
“Populus”
✓ located verbatim in the source · title, characters 23–30

e0
“After 1984, no significant effects of fertilizer on height growth, total height, or diameter were evident.”
✓ located verbatim in the source · abstract, characters 1150–1256

Title

Growth and N status of Populus in mixture with red alder on recent volcanic mudflow from Mount Saint Helens

Paul E. Heilman Canadian Journal of Forest Research 1990. doi:10.1139/x90-012

Other claims from this paper (12)

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Root pruning did not significantly affect height and root collar diameter growth after 80 days.

Taxon: kamagongt0
Treatment: root pruninge0
Outcome: height and root collar diameter growthe0
Direction: did not significantly affecte0

Not reportedComparator

Verbatim

e0
“After 80 days, root pruning did not significantly affect height and root collar diameter growth”
✓ located verbatim in the source · abstract, characters 593–688

t0
“kamagong”
✓ located verbatim in the source · title, characters 45–53

Title

Root growth potential and seedling growth of kamagong (Diospyros blancoi A. DC.) influenced by root pruning

Milbrenne D. Yabes; Gerryc P. Alfonso; Vida Q. Carandang Israel Journal of Ecology and Evolution 2022. doi:10.1163/22244662-bja10034

Other claims from this paper (6)

Intervention effect Shoot dry mass, root collar diameter, root length, total tree dry mass, sturdiness quotient and mortality were consistent between treatments.
Intervention effect Non-root-pruned seedlings had higher root volume and root dry mass.
Intervention effect Root-pruned seedlings had higher shoot height, root:shoot ratio and seedling quality index.
Intervention effect Root pruning influenced attainment of moderate root growth potential.
Association Root growth potential correlated positively with root dry mass, sturdiness quotient and seedling quality index.
Recommendation The authors concluded that root pruning increases kamagong planting-stock quality.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Different manure applications had no significant effect on sugarcane growth height and stem diameter.

Taxon: Sugarcanet0
Treatment: different manure applicationse0
Outcome: growth height and stem diametere1
Direction: no significant effecte0

Not reportedComparator

Verbatim

e0
“different manure applications had no significant effect”
✓ located verbatim in the source · abstract, characters 444–499

e1
“growth height and stem diameter in the stage of sugarcane growth”
✓ located verbatim in the source · abstract, characters 375–439

t0
“Sugarcane Intercropping”
✓ located verbatim in the source · title, characters 11–34

Title

Effects of Sugarcane Intercropping with Potato on the Sugarcane Yield and Quality

Jingmei Dao Zhongguo tangliao 2013

Other claims from this paper (3)

Association Sugarcane growth height and stem diameter differed significantly between row spacings.
Intervention effect Potato intercropping markedly affected sugarcane growth height and stem diameter.
Observation Neither potato intercropping nor different manure applications affected sugarcane quality.

Associationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Annual diameter and height growth variations were reported as not significant, despite p = 0.005.

Taxon: Acacia senegalSenegalia senegalt0
Outcome: average annual growth variations in terms of diameter and heighte0
Qualifier: p = 0.005e0
Comparator: diameter and heighte0

Not reportedDirection

Verbatim

e0
“the average annual growth variations in terms of diameter and height are not significant (p = 0.005)”
✓ located verbatim in the source · abstract, characters 670–770

t0
“Acacia senegal”
✓ located verbatim in the source · title, characters 13–27

Title

Structure of Acacia senegal (L.) wild settlements in southwest Niger: Case of the gum tree site in the rural district of Guchm

Abdoul Kader Soumaila Sina; Abdou Amani; Laouali Abdou; et al. Journal of Ecology and the Natural Environment 2020. doi:10.5897/jene2020.0818

Other claims from this paper (6)

Observation Acacia senegal density was 238.75 plants/ha.
Observation The stand had a 24.71% regeneration rate.
Observation Mortality increased over time.
Association Diameter and mean height did not vary significantly among plantation years.
Observation The stands had a shrubby structure and a C-shape parameter of 3.6.
Observation The monospecific stands had a right-skewed diameter distribution dominated by younger or smaller-diameter plants.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Survival rate, height growth and collar diameter growth did not significantly differ with light intensity.

Taxon: Quercus castaneifoliaQuercus castaneifoliat0
Treatment: increasing light intensitye0
Outcome: survival rate, height growth and collar diameter growthe0
Direction: no significant differencee0

Not reportedComparator

Verbatim

e0
“With increasing light intensity, number of branch was significantly increased, but no significant difference obtained in survival rate, height growth and collar diameter growth”
✓ located verbatim in the source · abstract, characters 906–1082

t0
“Quercus castaneifolia”
✓ located verbatim in the source · title, characters 47–68

Title

Establishment and growth of direct- seeding of Quercus castaneifolia affected by light intensity and weed competition

Sa' eid Varamesh; Mas' et al. DOAJ (DOAJ: Directory of Open Access Journals) 2010

Other claims from this paper (8)

Intervention effect Weed competition significantly decreased seedling height growth, collar diameter and branch number.
Intervention effect Seedling survival did not differ under weed competition.
Intervention effect Increasing light intensity significantly increased branch number.
Observation Survival did not decrease from 86.4% under weed competition.
Observation Survival did not decrease from 90.6% in full light.
Observation Oak growth and establishment succeeded in open and shaded areas.
Recommendation Direct seeding is suggested for restoration in northern Iranian lowland forests.
Recommendation Weeding around seedlings after direct seeding is recommended to reduce early competition.

Observationobservedoriginal resultnot significant (as stated)measured

Claim · model-written summary

Ash half-sib lines did not differ significantly in annual height and diameter growth.

Taxon: Narrow-leaved ash (Fraxinus angustifolia Vahl)Fraxinus angustifoliat0
Outcome: annual height and diameter growthe0
Direction: no significant differencee0

Not reportedMaterial

Verbatim

e0
“but showed no significant difference for annual height and diameter growth.”
✓ located verbatim in the source · abstract, characters 1763–1838

t0
“Narrow-leaved ash (Fraxinus angustifolia Vahl), one of the most important”
✓ located verbatim in the source · abstract, characters 0–73

Title

Flooding influence on growth and seedlings survival rate of different narrowleaved ash half-sib lines

Šijačić-Nikolić, Mirjana; Nonić, Marina; Kerkez-Janković, Ivona Omorika - Repository of the Faculty of Forestry, Belgrade 2022

Other claims from this paper (7)

Observation Ash seedling survival after flooding was 41.9%.
Observation Stem damage occurred in 27.1% of surviving ash seedlings after flooding.
Observation Three ash half-sib lines exceeded 60% survival after flooding.
Observation Ten ash lines had survival below 20%.
Observation Ten ash half-sib lines differed significantly in diameter.
Observation Ten ash half-sib lines differed significantly in height.
Association Genetic control influenced flooded ash seedling survival more strongly than growth rate.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The two release treatments did not differ significantly in diameter and height growth.

Taxon: green ashFraxinus pennsylvanicat0
Treatment: two release treatmentse0
Outcome: diameter and height growth responsee0
Direction: did not differe0
Comparator: two release treatmentse0

Verbatim

e0
“The two release treatments did not differ significantly in diameter and height growth response, but statistically outperformed the control treatment”
✓ located verbatim in the source · abstract, characters 597–745

t0
“Green Ash”
✓ located verbatim in the source · title, characters 68–77

Title

Crop Tree Management Improved Growth and Crown Class Maintenance of Green Ash: 18-Year Results

A. E. Houston; W. K. Clatterbuck; J. L. Bowers Forest Science 2026. doi:10.1007/s44391-026-00064-w

Other claims from this paper (7)

Intervention effect Both release treatments outperformed control for diameter and height growth.
Intervention effect Crown class scores did not differ between release treatments.
Intervention effect Release treatments improved crown class scores versus control.
Intervention effect Release treatments increased the percentage of crop trees competing for upper canopy status.
Association Initial diameters of 12.5 to 20 cm predicted overstory presence after 18 years.
Association Trees under 12.5 cm diameter were likely to stay in subordinate crown classes.
Association Trees over 20 cm diameter maintained upper canopy position.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Container differences in height and basal diameter were insignificant at the initial seedling growth stage.

Taxon: tree seedlingse0
Organ / stage: initial growing stagee0
Outcome: height and basal diametere0

Not reportedTreatmentComparatorDirection

Verbatim

e0
“The results indicated that no insignificant differences were found height and basal diameter at the initial growing stage within the same tree seedlings.”
✓ located verbatim in the source · abstract, characters 162–315

Title

Effects of Different Containers on the Growth of Seedlings of 3 Tree Species

MA Lv-yi Xibei Linxueyuan xuebao 2009

Other claims from this paper (5)

Intervention effect Schima superba seedling height and basal diameter differed significantly among containers after 75 days.
Intervention effect Ficus concinna seedling growth differed among containers after an unclear number of days.
Intervention effect Pinus pinaster seedling growth differed among containers after 135 days.
Observation Containers No.1 and No.2 were unsuitable for Ficus concinna seedlings.
Observation Containers No.1 and No.2 were suitable for class II Schima superba seedlings.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Nursery source did not significantly affect oak height and diameter growth after two years.

Taxon: Nuttall Oakt0
Treatment: nursery sourcee0
Outcome: height and diameter growthe0
Direction: did not significantly affecte0
Qualifier: 2 years after outplantinge0

Not reportedComparator

Verbatim

e0
“nursery source did not significantly affect seedling survival or height and diameter growth 2 years after outplanting.”
✓ located verbatim in the source · abstract, characters 411–529

t0
“Nuttall Oak”
✓ located verbatim in the source · title, characters 21–32

Title

Field performance of Nuttall Oak on former agricultural fields: Initial effects of nursery source and competition control

Emile S. Gardiner; K. Francis Salifu; Douglass F. Jacobs; et al. http://www.srs.fs.usda.gov/pubs/ja/ja_gardiner014.pdf 2007

Other claims from this paper (8)

Observation Seedlings from different state nurseries differed in height, root collar diameter, and fresh mass.
Observation Nursery seedlings differed in first order lateral root number, root volume, and height to collar diameter ratio.
Intervention effect Nursery source did not significantly affect oak seedling survival after two years.
Intervention effect Competing herbaceous vegetation reduced oak seedling survival by 8%.
Intervention effect Competing herbaceous vegetation reduced oak height growth by 69%.
Intervention effect Competing herbaceous vegetation reduced oak root collar diameter growth by 61 %.
Association Nursery source influenced Nuttall oak ability to overcome transplant stress.
Observation Planting check lasted longest for oak seedlings from nurseries B and C, particularly under herbaceous competition.

“height and diameter growth”

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