Abstract
To compare peach tree water use with soil and plant water status measurements, two trees in a large weighing lysimeter were deficit irrigated with insufficient amounts of water for 3 weeks. Transpiration decreased soon after the deficit irrigation began and evaporation from the soil became relatively more important. Due to shallow, sparse rooting, high-frequency drip irrigation and high evaporative demand, allowable depletion in the wetted soil zone of the lysimeter was only 15% to 20% of available soil water. This indicates the small margin for error in managing irrigation of trees in this situation.
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Claims 4
Claim · model-written summary
Transpiration decreased soon after deficit irrigation began in peach trees.
- Taxon
- peach trees
Prunus persicat0 - Treatment
- deficit irrigatione0
- Outcome
- Transpiratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Transpiration decreased soon after the deficit irrigation began”
t0“peach trees”
Claim · model-written summary
Soil evaporation became relatively more important during deficit irrigation.
Not reportedTaxonComparator
Verbatim
e0“Transpiration decreased soon after the deficit irrigation began and evaporation from the soil became relatively more important.”
Claim · model-written summary
Allowable depletion in the wetted lysimeter soil zone was only 15% to 20% of available soil water under the stated rooting and irrigation conditions.
- Taxon
- peach treesPrunus persicat0
- Outcome
- allowable depletione0
- Value
- 15% to 20%e0
- Qualifier
- shallow, sparse rooting, high-frequency drip irrigation and high evaporative demande0
- Setting
- lysimetere0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Due to shallow, sparse rooting, high-frequency drip irrigation and high evaporative demand, allowable depletion in the wetted soil zone of the lysimeter was only 15% to 20% of available soil water.”
t0“peach trees”
Claim · model-written summary
The authors interpret these conditions as leaving a small margin for error in tree irrigation management.
- Taxon
- peach treesPrunus persicat0
- Outcome
- small margin for error in managing irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This indicates the small margin for error in managing irrigation of trees in this situation.”
t0“peach trees”
The same questions in other papers
irrigation · physiology: gas exchange · Prunus persica (peach)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
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.