Abstract
Abstract Effects of varying degree of P fertility vs mixed salinity on the growth and Ca, Mg, Na, and Cl concentrations in tomato (Lycopsersicon esculentum L. ), corn (Zea mays L. ), und sudan grass (Sorghum audannese Stapf ‘piper') were studied. Yield of all crops continuously decreased as salinity was increased. High salinity masked effects of P fertility, but less so with sudan grass than with the other two crops. Favorable responses to P were obtained with moderate levels of salinity (EC 12) for all crops. As the P level was increased, Na, Cl, and Ca concentrations of plant tissue increased in the saline treatments. This effect of P was most pronounced on Cl accumulation. High Ca suppressed K uptake in grasses and Mg uptake generally for all plants. Key words: Phosphoruscomparative mineral nutritionsalt balancecation competitionwater management
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Claims 8
Claim · model-written summary
Yield of all three crops decreased continuously as salinity increased.
- Taxon
- tomato, corn, and sudan grass
Solanum lycopersicum
Sorghum ×drummondii
Zea mays subsp. mayst0 - Treatment
- salinitye1
- Outcome
- Yielde1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Yield of all crops continuously decreased as salinity was increased”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
High salinity masked the effects of P fertility on the three crops.
- Taxon
- tomato, corn, and sudan grassSolanum lycopersicumSorghum ×drummondiiZea mays subsp. mayst0
- Treatment
- High salinitye2
- Outcome
- effects of P fertilitye2
- Direction
- maskede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“High salinity masked effects of P fertility, but less so with sudan grass than with the other two crops”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
High salinity masked the effects of P fertility less in sudan grass than in the other two crops.
- Taxon
- sudan grassSorghum ×drummondiie2
- Treatment
- High salinitye2
- Outcome
- effects of P fertilitye2
- Direction
- less soe2
- Comparator
- the other two cropse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“High salinity masked effects of P fertility, but less so with sudan grass than with the other two crops”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
Favorable responses to P were obtained for all three crops at moderate salinity (EC 12).
- Taxon
- tomato, corn, and sudan grassSolanum lycopersicumSorghum ×drummondiiZea mays subsp. mayst0
- Outcome
- Favorable responses to Pe3
- Qualifier
- moderate levels of salinity (EC 12)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Favorable responses to P were obtained with moderate levels of salinity (EC 12) for all crops”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
Higher P level increased Na, Cl and Ca concentrations of plant tissue in the saline treatments.
- Taxon
- tomato, corn, and sudan grassSolanum lycopersicumSorghum ×drummondiiZea mays subsp. mayst0
- Treatment
- P levele4
- Outcome
- Na, Cl, and Ca concentrations of plant tissuee4
- Direction
- increasede4
- Qualifier
- in the saline treatmentse4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“As the P level was increased, Na, Cl, and Ca concentrations of plant tissue increased in the saline treatments”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
The effect of P was most pronounced on Cl accumulation.
- Taxon
- tomato, corn, and sudan grassSolanum lycopersicumSorghum ×drummondiiZea mays subsp. mayst0
- Treatment
- Pe5
- Outcome
- Cl accumulatione5
- Direction
- most pronouncede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“This effect of P was most pronounced on Cl accumulation”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
High Ca suppressed K uptake in grasses.
Not reportedComparator
Verbatim
e6“High Ca suppressed K uptake in grasses and Mg uptake generally for all plants”
t0“tomato, corn, and sudan grass”
Claim · model-written summary
High Ca generally suppressed Mg uptake in all plants.
Not reportedComparator
Verbatim
e6“High Ca suppressed K uptake in grasses and Mg uptake generally for all plants”
t0“tomato, corn, and sudan grass”
The same questions in other papers
salinity · yield · Zea mays (maize)Results differ
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- positive
- positive
- positive
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See all 70 papers →salinity · yield · Solanum lycopersicum (tomato)Positive and negative results
141 papers in the same direction as this paper · 18 in the opposite direction
- negative
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156 papers more in this group
See all 160 papers →salinity · yield · Sorghum x drummondii (Sudan grass)Results agree
1 paper in the same direction as this paper
- negative
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.