Abstract
This greenhouse study was initiated to determine potential plant growth on three surface-mined soils and their overburden, and on coal flyash mixtures from sites in Wyoming prior to field studies and plant establishment trials. There was no indication that either topsoil or overburden from the active mine sites in Gillette, Hanna, or Shirley Basin, was detrimental to plant growth when water and temperature were not limiting. Forage plants and range shrubs on each soil benefited from the addition of N and/or P fertilizer. The addition of sewage sludge or manure also greatly increased growth. The study indicated that certain mixtures of flyash in soil and sludge can be successfully revegetated. The application of this data may be extensive in the reclamation and revegetation of surface-mined soils in those areas tested.
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Claims 5
Claim · model-written summary
Mine topsoil and overburden were not detrimental to plant growth when water and temperature were adequate.
- Taxon
- PlantsViridiplantaet0
- Outcome
- plant growthe0
- Qualifier
- when water and temperature were not limitinge0
- Setting
- Gillette, Hanna, or Shirley Basine0
Verbatim
e0“There was no indication that either topsoil or overburden from the active mine sites in Gillette, Hanna, or Shirley Basin, was detrimental to plant growth when water and temperature were not limiting.”
t0“Selected Plants”
Claim · model-written summary
N and/or P fertilizer benefited forage plants and range shrubs on each soil.
- Taxon
- Forage plants and range shrubse0
- Treatment
- addition of N and/or P fertilizere0
- Outcome
- benefitede0
- Direction
- benefitede0
Not reportedComparator
Verbatim
e0“Forage plants and range shrubs on each soil benefited from the addition of N and/or P fertilizer.”
Claim · model-written summary
Sewage sludge greatly increased plant growth.
- Taxon
- PlantsViridiplantaet0
- Treatment
- sewage sludgee0
- Outcome
- growthe0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The addition of sewage sludge or manure also greatly increased growth.”
t0“Selected Plants”
Claim · model-written summary
Manure greatly increased plant growth.
- Taxon
- PlantsViridiplantaet0
- Treatment
- manuree0
- Outcome
- growthe0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The addition of sewage sludge or manure also greatly increased growth.”
t0“Selected Plants”
Claim · model-written summary
Certain flyash mixtures with soil and sludge could be successfully revegetated.
- Taxon
- PlantsViridiplantaet0
- Outcome
- successfully revegetatede0
- Qualifier
- certain mixtures of flyash in soil and sludgee0
Verbatim
e0“certain mixtures of flyash in soil and sludge can be successfully revegetated.”
t0“Selected Plants”
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See all 39 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.