Abstract
Summary This paper reports the results on safflower crops grown in a nine-year study, conducted on a 8 ha site, to determine the feasibility of using drainage water for irrigation in a 2-year cotton/1-year safflow-er rotation system. The cotton crops were irrigated with waters of 400, 1,500, 3,000, 4,500, 6,000, and 9,000 ppm total dissolved salts, and safflower was grown only with a preplant irrigation with nonsaline water. The use of drainage water for crop irrigation may be a means of decreasing its volume. Even though safflower was never irrigated with saline drainage water directly, the residual effect of using saline water for cotton irrigation adversely impacted safflower growth and development. Safflower seed yields were reduced in plots previously irrigated with waters of 4,500 ppm or higher salinity and even more severe effects on crop growth were seen as the numbers of years of irrigation with the saline water increased. After irrigating six cotton crops, the safflower seed yield in plots irrigated with 9,000 ppm waters was reduced to only 14% of the control. The safflower oil content and quality were not affected. Impacts on plant density, shoot height, shoot biomass, and leaf ionic content also are discussed.
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Claims 6
Claim · model-written summary
Residual saline irrigation of cotton adversely affected safflower growth and development.
- Taxon
- safflower
Carthamus tinctoriuse0 - Treatment
- using saline water for cotton irrigatione0
- Outcome
- safflower growth and developmente0
- Direction
- adversely impactede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the residual effect of using saline water for cotton irrigation adversely impacted safflower growth and development”
Claim · model-written summary
Safflower seed yield was reduced after prior irrigation with waters of 4,500 ppm or higher salinity.
- Taxon
- SafflowerCarthamus tinctoriuse0
- Treatment
- waters of 4,500 ppm or higher salinitye0
- Outcome
- seed yieldse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Safflower seed yields were reduced in plots previously irrigated with waters of 4,500 ppm or higher salinity”
Claim · model-written summary
Adverse effects on safflower crop growth became more severe as years of saline irrigation increased.
- Taxon
- safflowerCarthamus tinctoriuse1
- Treatment
- numbers of years of irrigation with the saline watere0
- Outcome
- effects on crop growthe0
- Direction
- more severee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“even more severe effects on crop growth were seen as the numbers of years of irrigation with the saline water increased”
e1“safflower seed yields”
Claim · model-written summary
After six cotton crops, safflower seed yield under 9,000 ppm irrigation water fell to 14% of control.
- Taxon
- safflowerCarthamus tinctoriuse0
- Treatment
- 9,000 ppm waterse0
- Outcome
- seed yielde0
- Direction
- reducede0
- Value
- 14%e0
- Qualifier
- After irrigating six cotton cropse0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After irrigating six cotton crops, the safflower seed yield in plots irrigated with 9,000 ppm waters was reduced to only 14% of the control.”
Claim · model-written summary
Safflower oil content was unaffected.
- Taxon
- safflowerCarthamus tinctoriuse0
- Outcome
- oil contente0
- Direction
- not affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The safflower oil content and quality were not affected.”
Claim · model-written summary
Safflower oil quality was unaffected.
- Taxon
- safflowerCarthamus tinctoriuse0
- Outcome
- qualitye0
- Direction
- not affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The safflower oil content and quality were not affected.”
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salinity · yield · Carthamus tinctorius (safflower)Positive and negative results
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See all 11 papers →irrigation · growth · Carthamus tinctorius (safflower)Positive and negative results
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- positive
- positive
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See all 15 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.