Abstract
The aim of poplar plantations is to achieve high biomass production over a short rotation period. This requires low mortality and fast development of the transplants. The experiment described in this paper examines methods aimed at enhancing survival and development of Populus trichocarpa plants by application of fertilizers, a hydrogel or a combination of both to dormant cuttings just before planting. The experiment was carried out at two agricultural sites with different soil characteristics, a loamy sand and a silty loam. It was demonstrated that none of the treatments influenced survival or early growth at the silty loam soil site, and plant development was delayed by the solid fertilizer. At the site with loamy sand, the solid fertilizer negatively affected both survival and early growth. Hydrogel and the combination of hydrogel and the solid fertilizer also hampered early growth. Overall, treatments of poplar cuttings with hydrogel or fertilizers alone, or in combination, may not be a method to reduce poplar cutting mortality or to enhance early plant development on agricultural land. However, our results demonstrate that establishing poplar with cuttings as transplants can be used on both loamy sand and silty loam soils.
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Claims 7
Claim · model-written summary
Treatments did not influence survival or early growth on silty loam.
- Taxon
- Populus trichocarpa
Populus trichocarpae1 - Treatment
- treatmentse0
- Outcome
- survival or early growthe0
- Direction
- nonee0
- Setting
- silty loam soil sitee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“none of the treatments influenced survival or early growth at the silty loam soil site”
e1“Populus trichocarpa”
Claim · model-written summary
Solid fertilizer delayed development on silty loam.
- Taxon
- Populus trichocarpaPopulus trichocarpae1
- Treatment
- solid fertilizere0
- Outcome
- plant developmente0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant development was delayed by the solid fertilizer.”
e1“Populus trichocarpa”
Claim · model-written summary
Solid fertilizer reduced survival on loamy sand.
- Taxon
- Populus trichocarpaPopulus trichocarpae1
- Treatment
- solid fertilizere0
- Outcome
- survivale0
- Direction
- negatively affectede0
- Setting
- site with loamy sande0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the site with loamy sand, the solid fertilizer negatively affected both survival and early growth.”
e1“Populus trichocarpa”
Claim · model-written summary
Solid fertilizer reduced early growth on loamy sand.
- Taxon
- Populus trichocarpaPopulus trichocarpae1
- Treatment
- solid fertilizere0
- Outcome
- early growthe0
- Direction
- negatively affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the site with loamy sand, the solid fertilizer negatively affected both survival and early growth.”
e1“Populus trichocarpa”
Claim · model-written summary
Hydrogel hampered early growth on loamy sand.
- Taxon
- Populus trichocarpaPopulus trichocarpae1
- Treatment
- Hydrogele0
- Outcome
- early growthe0
- Direction
- hamperede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hydrogel and the combination of hydrogel and the solid fertilizer also hampered early growth.”
e1“Populus trichocarpa”
Claim · model-written summary
Hydrogel plus solid fertilizer hampered early growth.
- Taxon
- Populus trichocarpaPopulus trichocarpae1
- Treatment
- combination of hydrogel and the solid fertilizere0
- Outcome
- early growthe0
- Direction
- hamperede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the combination of hydrogel and the solid fertilizer also hampered early growth.”
e1“Populus trichocarpa”
Claim · model-written summary
Poplar cuttings established on both tested soil types.
- Outcome
- establishing poplar with cuttings as transplantse0
PopulusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“establishing poplar with cuttings as transplants can be used on both loamy sand and silty loam soils.”
The same questions in other papers
fertilization · growth · Populus trichocarpa (black cottonwood)Positive and negative results
4 in the opposite direction
- positive
- positive
- positive
1 paper more in this group
See all 5 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.