Abstract
A 2-yr field experiment was conducted to determine the influence of supplemental N-P-K foliar fertilizers (9-8-7 or 16-2-3) applied during flowering, fruit enlargement and/or flower initiation on yield, quality, and nutrition of Earliglow strawberries (Fragaria × ananassa Duch.). All plots received soil applied fertilizer at planting and at renovation according to soil test recommendations. Foliar fertilizers did not significantly increase total yield at any of the rates or times of application employed. Average yields the first year were 1.5 times greater than those the second year, regardless of whether foliar fertilizers were applied. Treatments did not significantly affect mean berry weight or percent soluble solids. Concentrations of N and P in recently matured leaves sampled during harvest were not significantly affected by foliar treatments, but K level was increased in the second year of the study by some foliar treatments.Key words: Fragaria spp., foliar nutrient sprays, nitrogen, phosphorus, potassium, strawberry
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Claims 5
Claim · model-written summary
Foliar fertilizers did not significantly increase strawberry total yield at any application rate or time.
- Taxon
- strawberries
_single2.jpg?width=60)
Fragaria ×ananassae1 - Material
- Earliglowe1
- Treatment
- Foliar fertilizerse0
- Outcome
- total yielde0
- Direction
- did not significantly increasee0
- Qualifier
- at any of the rates or times of application employede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Foliar fertilizers did not significantly increase total yield at any of the rates or times of application employed.”
e1“Earliglow strawberries (Fragaria × ananassa Duch.)”
Claim · model-written summary
Strawberry average yields in year one were 1.5 times greater than in year two regardless of foliar fertilizer application.
- Taxon
- strawberriesFragaria ×ananassae1
- Outcome
- Average yieldse0
- Direction
- greatere0
- Value
- 1.5 timese0
- Qualifier
- regardless of whether foliar fertilizers were appliede0
- Comparator
- second yeare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Average yields the first year were 1.5 times greater than those the second year, regardless of whether foliar fertilizers were applied.”
e1“Earliglow strawberries (Fragaria × ananassa Duch.)”
Claim · model-written summary
Foliar treatments did not significantly affect strawberry mean berry weight or soluble solids percentage.
- Taxon
- strawberriesFragaria ×ananassae1
- Treatment
- Treatmentse0
- Outcome
- mean berry weight or percent soluble solidse0
- Direction
- did not significantly affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatments did not significantly affect mean berry weight or percent soluble solids.”
e1“Earliglow strawberries (Fragaria × ananassa Duch.)”
Claim · model-written summary
Foliar treatments did not significantly affect N and P concentrations in recently matured strawberry leaves during harvest.
- Taxon
- strawberriesFragaria ×ananassae1
- Organ / stage
- recently matured leavese0
- Treatment
- foliar treatmentse0
- Outcome
- Concentrations of N and Pe0
- Direction
- not significantly affectede0
- Qualifier
- during harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Concentrations of N and P in recently matured leaves sampled during harvest were not significantly affected by foliar treatments”
e1“Earliglow strawberries (Fragaria × ananassa Duch.)”
Claim · model-written summary
Some foliar treatments increased strawberry leaf K in the second year.
- Taxon
- strawberriesFragaria ×ananassae1
- Organ / stage
- recently matured leavese2
- Treatment
- some foliar treatmentse0
- Outcome
- K levele0
- Direction
- increasede0
- Qualifier
- second yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“K level was increased in the second year of the study by some foliar treatments.”
e1“Earliglow strawberries (Fragaria × ananassa Duch.)”
e2“recently matured leaves sampled during harvest”
The same questions in other papers
application · nutrient: content · Fragaria x ananassa (strawberry)Positive and negative results
18 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
16 papers more in this group
See all 20 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.