Claim · model-written summary
Clones performing poorly without fertilizer frequently excelled with fertilizer, with the reverse occurring in several instances.
- Taxon
- Populus deltoides
Populus deltoidest0 - Treatment
- fertilizede0
- Outcome
- excellede0
- Direction
- excellede0
- Comparator
- unfertilized conditionse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Frequently a clone which performed poorly under unfertilized conditions excelled when fertilized and in several instances the reverse was true.”
t0“Populus deltoides”
Title
Clonal Differences in Yield Response of Populus deltoides to Nitrogen Fertilization
James W. Curlin Soil Science Society of America Journal 1967. doi:10.2136/sssaj1967.03615995003100020035x
Other claims from this paper (7)
- Intervention effect Fertilization produced large growth increases in Populus deltoides.
- Association A strong clone-by-fertilizer interaction occurred for diameter, height and volume growth.
- Intervention effect Fertilization reduced wood specific gravity.
- Association No clone-by-fertilizer interaction was noted for wood specific gravity after two years.
- Recommendation Cottonwood should be selected in the nutritional environment in which it will grow.
- Recommendation Selection specifically for fertilizer response may be possible in tree improvement programs.
- Recommendation Fertilizer response in potentially genetically biased experimental populations should be interpreted cautiously.