Abstract
Abstract Although use of micro‐irrigation has risen steadily in Georgia, few studies have been reported describing its effect on yield or rooting distribution of tomato ( Licopersicon esculentum ). The objective of this experiment was to determine the effects of mulch type (plastic mesh and straw) and micro‐irrigation on soil physical properties and growth of ‘Celebrity’ tomato. In 1986, an experiment was initiated on a Cecil sandy loam (clayey, kaolinitic, thermic, Typic Kanhapludult) at Griffin, GA. Tomato yield and root growth, soil temperature, and water potential in 1987 and 1988 were compared using black plastic mesh and straw mulches and three micro‐irrigation frequencies: control (no irrigation), daily, and twice weekly. Soil properties beneath the two types of mulches were compared in terms of surface evaporation, measured during 24‐h periods several times each year and bulk density, organic C, pH, infiltration rate, and cone index measured at the end of the 1988 growing season. Straw mulch resulted in a significantly greater infiltration rate, and lower pH, bulk density, surface evaporation, cone index, soil temperature and matric potential than the plastic mulch. Yields were higher under the straw mulch compared to the plastic mulch and irrigation increased yield with a straw mulch in 1987 but not 1988. Yields were not increased by irrigation of the plastic mulch treatment. Straw mulches have the potential to improve tomato yields in high‐temperature environments, provided soil pH is controlled.
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Claims 8
Claim · model-written summary
Straw mulch increased soil infiltration relative to plastic mulch.
- Taxon
- Tomato
Solanum lycopersicumt0 - Treatment
- Straw mulche0
- Outcome
- infiltration ratee0
- Direction
- greatere0
- Comparator
- plastic mulche1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Straw mulch resulted in a significantly greater infiltration rate”
e1“than the plastic mulch”
t0“Tomato Growth”
Claim · model-written summary
Straw mulch lowered soil pH, bulk density and surface evaporation relative to plastic mulch.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Straw mulche1
- Outcome
- pH, bulk density, surface evaporatione0
- Direction
- lowere0
- Comparator
- plastic mulche1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lower pH, bulk density, surface evaporation”
e1“Straw mulch resulted in a significantly greater infiltration rate, and lower pH, bulk density, surface evaporation, cone index, soil temperature and matric potential than the plastic mulch”
t0“Tomato Growth”
Claim · model-written summary
Straw mulch lowered cone index, soil temperature and matric potential relative to plastic mulch.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Straw mulche0
- Outcome
- cone index, soil temperature and matric potentiale0
- Direction
- lowere0
- Comparator
- plastic mulche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Straw mulch resulted in a significantly greater infiltration rate, and lower pH, bulk density, surface evaporation, cone index, soil temperature and matric potential than the plastic mulch”
t0“Tomato Growth”
Claim · model-written summary
Tomato yields were higher under straw mulch than plastic mulch.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- straw mulche0
- Outcome
- Yieldse0
- Direction
- highere0
- Comparator
- plastic mulche0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields were higher under the straw mulch compared to the plastic mulch”
t0“Tomato Growth”
Claim · model-written summary
Irrigation increased tomato yield under straw mulch in 1987.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- irrigatione0
- Outcome
- yielde0
- Direction
- increasede0
- Qualifier
- in 1987e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigation increased yield with a straw mulch in 1987 but not 1988”
t0“Tomato Growth”
Claim · model-written summary
Irrigation did not increase tomato yield under straw mulch in 1988.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- irrigatione0
- Outcome
- yielde0
- Direction
- no_changeinferrede0
- Qualifier
- 1988e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“irrigation increased yield with a straw mulch in 1987 but not 1988”
t0“Tomato Growth”
Claim · model-written summary
Irrigation did not increase tomato yield under plastic mulch.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- irrigatione0
- Outcome
- Yieldse0
- Direction
- not increasede0
- Qualifier
- plastic mulch treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yields were not increased by irrigation of the plastic mulch treatment”
t0“Tomato Growth”
Claim · model-written summary
Straw mulch may improve tomato yield in hot environments if soil pH is controlled.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Straw mulchese0
- Outcome
- improve tomato yieldse0
- Qualifier
- provided soil pH is controllede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Straw mulches have the potential to improve tomato yields in high‐temperature environments, provided soil pH is controlled”
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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.