Abstract
Humic substances (HS) have been widely used and investigated in several horticultural crops.Most HS used are in liquid form with fast and early releasing effects, while studies on HS products in solid forms and their effects on plant growth components across the complete growth cycle have been less reported.sources derived from different raw materials (lignite, leonardite, and sub-bituminous coal) and tested their effects as substrate amendments on cherry tomato (Solanum lycopersicum cv.'Micro-Tom') growth.Results showed that solid HS products improved plant growth, compared to controls, in plant height, canopy area, and dry biomass accumulation.HS treatments had profound effects on root growth, as seen in the increased root relative growth rate during the late weights compared to controls or within different HS products.However, leonardite-derived HS treated plants showed a higher fruit number than other HS product treatments.These results demonstrate that as substrate amendments, different solid HS sources tomato growth performance.In addition to exploring the substrate environmental changes due to HS application, future mechanistic studies are needed to better understand how different HS sources induce either positive, neutral, or negative effects on plant growth.
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Claims 3
Claim · model-written summary
Solid humic products improved plant height, canopy area and dry biomass relative to controls.
- Taxon
- cherry tomato
Solanum lycopersicum var. cerasiformee1 - Material
- Micro-Tome1
- Treatment
- solid HS productse0
- Outcome
- plant height, canopy area, and dry biomass accumulatione0
- Direction
- improvede0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“solid HS products improved plant growth, compared to controls, in plant height, canopy area, and dry biomass accumulation”
e1“cherry tomato (Solanum lycopersicum cv.'Micro-Tom')”
Claim · model-written summary
HS treatments increased root relative growth rate during late weights.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee1
- Treatment
- HS treatmentse0
- Outcome
- root relative growth ratee0
- Direction
- increasede0
- Qualifier
- during the late weightse0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HS treatments had profound effects on root growth, as seen in the increased root relative growth rate during the late weights compared to controls or within different HS products”
e1“cherry tomato (Solanum lycopersicum cv.'Micro-Tom')”
Claim · model-written summary
Leonardite-derived HS produced more fruits than other HS products.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee1
- Treatment
- leonardite-derived HSe0
- Outcome
- fruit numbere0
- Direction
- highere0
- Comparator
- other HS product treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leonardite-derived HS treated plants showed a higher fruit number than other HS product treatments”
e1“cherry tomato (Solanum lycopersicum cv.'Micro-Tom')”
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See all 175 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.