Abstract
Strawberry ( Fragaria × ananassa ) is a perennial plant with a compressed woody crown that responds to the environment in a similar way as other temperate fruit crops. Nutrient management practices are also similar, with a few exceptions. Levels of preplant amendments are determined based on soil test results, and are used to increase nutrient availability and modify pH as needed. Once plants are established, soil tests, coupled with foliar tissue analysis and observations of plant growth, are the best indicators of plant nutrient status and limitations. Drip irrigation is more efficient than granular applications for supplying soluble nutrients such as nitrogen (N). While most temperate fruit crops respond well to N in spring when growth resumes after winter, applications of spring N in strawberry can cause excessive vegetative growth, reduce fruit quality, and have only a marginal impact on yield. N is most efficiently taken up by plants when conditions favor root growth, and N applied in summer or fall is more effective at increasing yield the following spring, assuming that the carbohydrate status of the plant is good. However, if carbohydrate status is poor, supplemental N late in the season can reduce yield by requiring additional carbon (C) for N uptake. Many questions remain to better understand how to manage nutrients optimally in perennial strawberry.
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Claims 8
Claim · model-written summary
Soil tests with foliar analysis and growth observations indicate established strawberry nutrient status.
- Taxon
- Strawberry
_single2.jpg?width=60)
Fragaria ×ananassae1 - Outcome
- best indicators of plant nutrient status and limitationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Once plants are established, soil tests, coupled with foliar tissue analysis and observations of plant growth, are the best indicators of plant nutrient status and limitations”
e1“Strawberry ( Fragaria × ananassa )”
Claim · model-written summary
Drip irrigation supplies soluble nutrients more efficiently than granular applications.
- Taxon
- StrawberryFragaria ×ananassae1
- Treatment
- Drip irrigatione0
- Outcome
- supplying soluble nutrients such as nitrogen (N)e0
- Direction
- more efficiente0
- Comparator
- granular applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drip irrigation is more efficient than granular applications for supplying soluble nutrients such as nitrogen (N)”
e1“Strawberry ( Fragaria × ananassa )”
Claim · model-written summary
Spring nitrogen can cause excessive vegetative growth in strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- applications of spring Ne0
- Outcome
- vegetative growthe0
- Direction
- excessivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applications of spring N in strawberry can cause excessive vegetative growth, reduce fruit quality, and have only a marginal impact on yield”
Claim · model-written summary
Spring nitrogen can reduce strawberry fruit quality.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- applications of spring Ne0
- Outcome
- fruit qualitye0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applications of spring N in strawberry can cause excessive vegetative growth, reduce fruit quality, and have only a marginal impact on yield”
Claim · model-written summary
Spring nitrogen has only a marginal impact on strawberry yield.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- applications of spring Ne0
- Outcome
- yielde0
- Direction
- marginal impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“applications of spring N in strawberry can cause excessive vegetative growth, reduce fruit quality, and have only a marginal impact on yield”
Claim · model-written summary
Nitrogen uptake is most efficient when strawberry root growth is favored.
- Taxon
- StrawberryFragaria ×ananassae1
- Organ / stage
- roote0
- Outcome
- N is most efficiently taken upe0
- Direction
- most efficientlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N is most efficiently taken up by plants when conditions favor root growth”
e1“Strawberry ( Fragaria × ananassa )”
Claim · model-written summary
Summer or fall nitrogen is more effective at raising next-spring yield when carbohydrate status is good.
- Taxon
- StrawberryFragaria ×ananassae1
- Treatment
- N applied in summer or falle0
- Outcome
- yielde0
- Direction
- increasinge0
- Qualifier
- assuming that the carbohydrate status of the plant is goode0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N applied in summer or fall is more effective at increasing yield the following spring, assuming that the carbohydrate status of the plant is good”
e1“Strawberry ( Fragaria × ananassa )”
Claim · model-written summary
Late-season supplemental nitrogen can reduce yield if carbohydrate status is poor.
- Taxon
- StrawberryFragaria ×ananassae1
- Treatment
- supplemental N late in the seasone0
- Outcome
- yielde0
- Direction
- reducee0
- Qualifier
- if carbohydrate status is poore0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“if carbohydrate status is poor, supplemental N late in the season can reduce yield by requiring additional carbon (C) for N uptake”
e1“Strawberry ( Fragaria × ananassa )”
The same questions in other papers
climate site · yield · Fragaria x ananassa (strawberry)Positive and negative results
3 papers in the same direction as this paper · 9 in the opposite direction
- positive
- positive
- positive
9 papers more in this group
See all 13 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.