Abstract
A study was conducted in a new field of northern highbush blueberry ( Vaccinium corymbosum L. ‘Elliott’) to determine the effects of different irrigation methods on growth and water requirements of uncropped plants during the first 2 years after planting. The plants were grown on mulched, raised beds and irrigated by sprinklers, microsprays, or drip at a rate of 50%, 100%, and 150% of the estimated crop evapotranspiration (ET c ) requirement. After 2 years, drip irrigation at 100% ET c produced the most growth among the irrigation methods with at least 42% less water than needed for maximum growth with microsprays and 56% less water than needed with sprinklers. Drip irrigation also maintained higher soil water content in the vicinity of the roots than the other methods but reduced growth when plants were over-irrigated at 150% ET c . Only 570 mm of irrigation water, or the equivalent of 1320 L per plant, was required over two seasons to reach maximum total plant dry weight with drip, whereas 980 mm or more water was needed with sprinklers and microsprays. Consequently, irrigation water use efficiency (defined as the difference in plant biomass produced under irrigated and rain-fed conditions divided by the total amount of irrigation water applied) was significantly higher with drip than with the other irrigation methods, averaging 0.41 g of total dry weight per liter of drip irrigation. In terms of both growth and water use, drip irrigation was the best and most efficient method to establish the plants.
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Claims 8
Claim · model-written summary
Drip irrigation at 100% ET c produced the most growth among the irrigation methods in young highbush blueberry.
- Taxon
- Vaccinium corymbosum
Vaccinium corymbosume0 - Material
- Elliotte0
- Treatment
- drip irrigation at 100% ET ce1
- Outcome
- growthe1
- Direction
- moste1
- Comparator
- irrigation methodse1
- Setting
- new fielde2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e1“drip irrigation at 100% ET c produced the most growth among the irrigation methods with at least 42% less water than needed for maximum growth with microsprays”
e2“A study was conducted in a new field”
Claim · model-written summary
Drip irrigation at 100% ET c needed at least 42% less water than microsprays for maximum growth.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- drip irrigation at 100% ET ce1
- Outcome
- watere1
- Direction
- lesse1
- Value
- 42%e1
- Comparator
- microsprayse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e1“drip irrigation at 100% ET c produced the most growth among the irrigation methods with at least 42% less water than needed for maximum growth with microsprays”
Claim · model-written summary
Drip irrigation at 100% ET c needed 56% less water than sprinklers for maximum growth.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- drip irrigation at 100% ET ce1
- Outcome
- watere2
- Direction
- lesse2
- Value
- 56%e2
- Comparator
- sprinklerse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e1“drip irrigation at 100% ET c produced the most growth among the irrigation methods with at least 42% less water than needed for maximum growth with microsprays”
e2“56% less water than needed with sprinklers”
Claim · model-written summary
Drip irrigation maintained higher soil water content near the roots than the other methods.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- Drip irrigatione3
- Outcome
- soil water content in the vicinity of the rootse3
- Direction
- highere3
- Comparator
- the other methodse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e3“Drip irrigation also maintained higher soil water content in the vicinity of the roots than the other methods”
Claim · model-written summary
Over-irrigation at 150% ET c reduced growth of highbush blueberry.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- over-irrigated at 150% ET ce4
- Outcome
- growthe4
- Direction
- reducede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e4“but reduced growth when plants were over-irrigated at 150% ET c”
Claim · model-written summary
Drip reached maximum total plant dry weight with 570 mm of irrigation water over two seasons, less than sprinklers and microsprays.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- dripe5
- Outcome
- irrigation watere5
- Direction
- lowerinferrede5
- Value
- 570 mme5
- Qualifier
- over two seasonse5
- Comparator
- sprinklers and microsprayse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e5“Only 570 mm of irrigation water, or the equivalent of 1320 L per plant, was required over two seasons to reach maximum total plant dry weight with drip”
e6“whereas 980 mm or more water was needed with sprinklers and microsprays”
Claim · model-written summary
Irrigation water use efficiency was significantly higher with drip than with the other irrigation methods, at 0.41 g of total dry weight per liter.
- Taxon
- Vaccinium corymbosumVaccinium corymbosume0
- Treatment
- dripe7
- Outcome
- irrigation water use efficiencye7
- Direction
- highere7
- Value
- 0.41 g of total dry weight per litere1
- Comparator
- the other irrigation methodse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vaccinium corymbosum L. ‘Elliott’”
e7“irrigation water use efficiency (defined as the difference in plant biomass produced under irrigated and rain-fed conditions divided by the total amount of irrigation water applied) was significantly higher with drip than with the other irrigation methods”
e1“averaging 0.41 g of total dry weight per liter of drip irrigation”
Claim · model-written summary
Drip irrigation is the best and most efficient method to establish highbush blueberry plants.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Outcome
- method to establish the plantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“drip irrigation was the best and most efficient method to establish the plants”
t0“Methods for Highbush Blueberry”
The same questions in other papers
irrigation · physiology: water · Vaccinium corymbosum (highbush blueberry)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
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irrigation · growth · Vaccinium corymbosum (highbush blueberry)Positive and negative results
2 papers in the same direction as this paper · 3 in the opposite direction
- negative
- positive
- no effect
2 papers more in this group
See all 6 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.