Claim · model-written summary
Authors recommend foliar humic acid biostimulants for summer turf performance.
- Taxon
- creeping bentgrass
Agrostis stoloniferae0 - Outcome
- foliar application of humic acid‐based biostimulantse0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“foliar application of humic acid‐based biostimulants may be considered as an effective tool to improve turf performance in creeping bentgrass putting greens during summer months”
Title
Xunzhong Zhang; Mike Goatley; David McCall; et al. International Turfgrass Society research journal 2021. doi:10.1002/its2.37
Other claims from this paper (9)
- Intervention effect Foliar HA improved turf quality, photochemical efficiency and chlorophyll content at some sampling dates.
- Intervention effect HA increased zeatin riboside on July 25 and August 22.
- Intervention effect HA increased indole-3-acetic acid on August 22.
- Intervention effect HA improved root length, surface area and volume.
- Intervention effect HA improved root biomass and viability.
- Intervention effect Solid HA at 0.2% increased root viability by 91.8%.
- Intervention effect Solid HA at 0.3% increased root viability by 122.4%.
- Intervention effect Liquid HA at 0.2% increased root viability by 57.1%.
- Intervention effect Liquid HA at 0.3% increased root viability by 71.4%.