Abstract
Abstract Urbanization and industrial competition continue to reduce both farmland and available water for food production. Therefore, a new root zone soil water retention technology was modified to transform highly permeable soils into sustainable agriculture. This long‐term drought avoidance technology was tested in two arid regions of Iraq, an arid country with declining irrigation water supplies. Manually installed U‐shaped impermeable membrane troughs were compared with manually installed thin layers of partially decomposed organic matter. Tomato ( Solanum lycopersicum L.) variety Dafnis (Syngenta Sweden) and spicy pepper ( Capsicum solanaceae L.) crops were spring planted at Najaf and Diyala field sites during a 2‐yr study. Soil water, temperature, and salinity were measured hourly, and compared to crop growth parameters, yields, and irrigation water use efficiency. Combined weights of four tomato and spicy pepper harvests were ( P = .05) 15 and 25% greater on sand soils equipped with root zone soil water retaining technology (SWRT) membranes and required 61% less irrigation water than crops grown on locally practiced organic matter‐lined and no water retaining control soils. Spicy pepper production on SWRT membranes ( P = .05) increased 30% with concomitant ( P = .05) 125% greater irrigation water use efficiency (IWUE) than organic matter‐layered and control soils at Diyala.
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Claims 5
Claim · model-written summary
Tomato harvest weight increased by 15% under SWRT membranes.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- root zone soil water retaining technology (SWRT) membranese0
- Outcome
- harvestse0
- Direction
- greatere0
- Value
- 15e0
- Comparator
- locally practiced organic matter‐lined and no water retaining control soilse0
- Setting
- Najaf and Diyala field sitese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined weights of four tomato and spicy pepper harvests were ( P = .05) 15 and 25% greater on sand soils equipped with root zone soil water retaining technology (SWRT) membranes and required 61% less irrigation water than crops grown on locally practiced organic matter‐lined and no water retaining control soils”
e1“Tomato ( Solanum lycopersicum L.) variety Dafnis (Syngenta Sweden) and spicy pepper ( Capsicum solanaceae L.) crops were spring planted at Najaf and Diyala field sites during a 2‐yr study.”
Claim · model-written summary
Spicy pepper harvest weight increased by 25% under SWRT membranes.
Verbatim
e0“Combined weights of four tomato and spicy pepper harvests were ( P = .05) 15 and 25% greater on sand soils equipped with root zone soil water retaining technology (SWRT) membranes and required 61% less irrigation water than crops grown on locally practiced organic matter‐lined and no water retaining control soils”
Claim · model-written summary
The membrane crops required 61% less irrigation water.
- Taxon
- TomatoSolanum lycopersicume2
- Treatment
- root zone soil water retaining technology (SWRT) membranese1
- Outcome
- irrigation watere0
- Direction
- lesse0
- Value
- 61%e0
- Comparator
- locally practiced organic matter‐lined and no water retaining control soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“required 61% less irrigation water than crops grown on locally practiced organic matter‐lined and no water retaining control soils”
e1“Combined weights of four tomato and spicy pepper harvests were ( P = .05) 15 and 25% greater on sand soils equipped with root zone soil water retaining technology (SWRT) membranes and required 61% less irrigation water than crops grown on locally practiced organic matter‐lined and no water retaining control soils”
e2“Tomato ( Solanum lycopersicum L.) variety Dafnis (Syngenta Sweden) and spicy pepper ( Capsicum solanaceae L.) crops were spring planted at Najaf and Diyala field sites during a 2‐yr study.”
Claim · model-written summary
Spicy pepper production increased 30% on SWRT membranes at Diyala.
Verbatim
e0“Spicy pepper production on SWRT membranes ( P = .05) increased 30% with concomitant ( P = .05) 125% greater irrigation water use efficiency (IWUE) than organic matter‐layered and control soils at Diyala”
Claim · model-written summary
Spicy pepper irrigation water use efficiency was 125% greater on membranes.
Verbatim
e0“Spicy pepper production on SWRT membranes ( P = .05) increased 30% with concomitant ( P = .05) 125% greater irrigation water use efficiency (IWUE) than organic matter‐layered and control soils at Diyala”
The same questions in other papers
soil water · physiology: water · Solanum lycopersicum (tomato)Positive and negative results
6 papers in the same direction as this paper · 4 in the opposite direction
- negative
- no effect
- negative
7 papers more in this group
See all 11 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.