Abstract
Improvements in water use efficiency are of primary importance for maintaining agricultural productivity and sustainability. Irrigation management based on soil water potential has proven effective for this purpose with many different crops, including strawberries. However, problems related to the spatial variability of soil properties and inadequate water application methods were reported when applying soil water potential-based irrigation to strawberries in soils with a significant proportion of rock fragments. In this study, a field-scale experiment was performed to simultaneously evaluate the impacts of three irrigation management scales and a pulsed water application method on strawberry yield and water use efficiency. An analytical solution to Richards equation was also used to establish critical root zone soil water potentials for this crop and evaluate the effects of the observed variability in the soil hydraulic properties. The results showed that spatial variability of the soil properties at the experimental site was important but most likely not enough to influence the crop response to irrigation practices. The studied properties did not present any spatial structure that could allow establishing specific management zones. A four-fold reduction in the size of the irrigation management zones had no effect on yield and increased the applied irrigation water volume. Pulsed water application lead to significant increases in yield (22%) and water use efficiency (36%) compared with the standard water application method used by the producer at the experimental site.
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Claims 6
Claim · model-written summary
Spatial variability of soil properties was judged insufficient to influence strawberry irrigation response.
- Taxon
- strawberries
_single2.jpg?width=60)
Fragaria ×ananassat0 - Outcome
- crop response to irrigation practicese0
- Qualifier
- most likely not enoughe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“spatial variability of the soil properties at the experimental site was important but most likely not enough to influence the crop response to irrigation practices.”
t0“strawberries”
Claim · model-written summary
The soil properties lacked spatial structure suitable for specific irrigation management zones.
- Taxon
- strawberriesFragaria ×ananassat0
- Outcome
- spatial structuree0
- Direction
- did not presente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The studied properties did not present any spatial structure that could allow establishing specific management zones.”
t0“strawberries”
Claim · model-written summary
Fourfold smaller irrigation zones had no effect on strawberry yield.
- Taxon
- strawberriesFragaria ×ananassat0
- Treatment
- four-fold reduction in the size of the irrigation management zonese0
- Outcome
- yielde0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A four-fold reduction in the size of the irrigation management zones had no effect on yield and increased the applied irrigation water volume.”
t0“strawberries”
Claim · model-written summary
Fourfold smaller irrigation zones increased applied irrigation water volume.
- Taxon
- strawberriesFragaria ×ananassat0
- Treatment
- four-fold reduction in the size of the irrigation management zonese0
- Outcome
- applied irrigation water volumee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A four-fold reduction in the size of the irrigation management zones had no effect on yield and increased the applied irrigation water volume.”
t0“strawberries”
Claim · model-written summary
Pulsed water application increased strawberry yield by 22% versus standard application.
- Taxon
- strawberriesFragaria ×ananassat0
- Treatment
- Pulsed water applicatione0
- Outcome
- yielde0
- Direction
- increasese0
- Value
- 22%e0
- Comparator
- standard water application methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pulsed water application lead to significant increases in yield (22%) and water use efficiency (36%) compared with the standard water application method used by the producer at the experimental site.”
t0“strawberries”
Claim · model-written summary
Pulsed water application increased strawberry water use efficiency by 36% versus standard application.
- Taxon
- strawberriesFragaria ×ananassat0
- Treatment
- Pulsed water applicatione0
- Outcome
- water use efficiencye0
- Direction
- increasese0
- Value
- 36%e0
- Comparator
- standard water application methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pulsed water application lead to significant increases in yield (22%) and water use efficiency (36%) compared with the standard water application method used by the producer at the experimental site.”
t0“strawberries”
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