Abstract
The effect of slit application of fertilizer tablets and sewage sludge on the growth of loblolly pine seedlings in copper mine spoils was explored. While application of fertilizer and sludge had no effect on the rate of seedling survival, seedling growth was increased by nine to 20 times after fertilizer application and three to eight times after sludge treatment, compared with untreated seedlings. Results indicate that slow-release fertilizer stimulates seedling growth on copper spoils. (1 graph, 3 photos, 14 references, 4 tables)
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Claims 5
Claim · model-written summary
Fertilizer application did not affect loblolly pine seedling survival rate.
- Taxon
- loblolly pine
Pinus taedat0 - Treatment
- fertilizere0
- Outcome
- rate of seedling survivale0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While application of fertilizer and sludge had no effect on the rate of seedling survival”
t0“loblolly pine seedlings”
Claim · model-written summary
Sewage sludge did not affect loblolly pine seedling survival rate.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- sludgee0
- Outcome
- rate of seedling survivale0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While application of fertilizer and sludge had no effect on the rate of seedling survival”
t0“loblolly pine seedlings”
Claim · model-written summary
Fertilizer increased loblolly pine seedling growth nine to 20 times relative to untreated seedlings.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- fertilizer applicatione0
- Outcome
- seedling growthe0
- Direction
- increasede0
- Value
- nine to 20 timese0
- Comparator
- untreated seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seedling growth was increased by nine to 20 times after fertilizer application and three to eight times after sludge treatment, compared with untreated seedlings”
t0“loblolly pine seedlings”
Claim · model-written summary
Sludge increased loblolly pine seedling growth three to eight times relative to untreated seedlings.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- sludge treatmente0
- Outcome
- seedling growthe0
- Direction
- increasede0
- Value
- three to eight timese0
- Comparator
- untreated seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seedling growth was increased by nine to 20 times after fertilizer application and three to eight times after sludge treatment, compared with untreated seedlings”
t0“loblolly pine seedlings”
Claim · model-written summary
The authors conclude that slow-release fertilizer stimulates seedling growth on copper spoils.
- Taxon
- loblolly pinePinus taedat0
- Treatment
- slow-release fertilizere0
- Outcome
- seedling growthe0
- Setting
- copper spoilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicate that slow-release fertilizer stimulates seedling growth on copper spoils.”
t0“loblolly pine seedlings”
The same questions in other papers
organic · growth · Pinus taeda (loblolly pine)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
fertilization · growth · Pinus taeda (loblolly pine)Positive and negative results
25 papers in the same direction as this paper · 4 in the opposite direction
- no effect
- no effect
- no effect
26 papers more in this group
See all 30 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.