Abstract
Abstract Rice (Oryza sativa) was used as a test crop in greenhouse to study the interactions of Zn and P with soil temperatures m a Corning clay loam soil. A decrease in soil temperature from 30 C to 22.5 C and to 15 C gave a progressive decrease in dry weight. The response to Zn decreased with increasing soil temperatures. At 15 C, Zn application increased Zn concentration in the roots, but there was practically no translocation of Zn to the tops. Furthermore, at the lowest temperature the Zn concentration in tops of plants grown with added Zn was even lower than the Zn concentration of plants without added Zn at 22 C and 30 C. Application of P reduced the Zn concentration in tops and there was no effect on Zn concentration in roots. Application of Zn had no significant effect on P concentrations of rice plants.
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Claims 8
Claim · model-written summary
Lowering soil temperature from 30 C through 22.5 C to 15 C progressively reduced rice dry weight.
- Taxon
- Rice (Oryza sativa)
Oryza sativae7 - Treatment
- soil temperature from 30 C to 22.5 C and to 15 Ce0
- Outcome
- dry weighte0
- Direction
- decreasee0
- Comparator
- 30 Ce0
- Setting
- greenhousee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A decrease in soil temperature from 30 C to 22.5 C and to 15 C gave a progressive decrease in dry weight”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
Rice response to Zn declined as soil temperature increased.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Treatment
- soil temperaturese0
- Outcome
- response to Zne0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The response to Zn decreased with increasing soil temperatures”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
At 15 C, Zn application increased root Zn concentration.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Organ / stage
- rootse0
- Treatment
- Zn applicatione0
- Outcome
- Zn concentration in the rootse0
- Direction
- increasede0
- Qualifier
- 15 Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 15 C, Zn application increased Zn concentration in the roots”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
At 15 C, applied Zn was practically not translocated to rice tops.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Organ / stage
- topse0
- Outcome
- practically no translocation of Zn to the topse0
- Direction
- noe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was practically no translocation of Zn to the tops”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
At the lowest temperature, top Zn concentration with added Zn was lower than without Zn at 22 C or 30 C.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Treatment
- added Zne0
- Outcome
- Zn concentration in topse0
- Direction
- lowere0
- Comparator
- plants without added Zn at 22 C and 30 Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at the lowest temperature the Zn concentration in tops of plants grown with added Zn was even lower than the Zn concentration of plants without added Zn at 22 C and 30 C”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
P application reduced Zn concentration in rice tops.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Treatment
- Application of Pe0
- Outcome
- Zn concentration in topse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of P reduced the Zn concentration in tops”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
Claim · model-written summary
P application had no effect on root Zn concentration.
- Taxon
- Rice (Oryza sativa)Oryza sativae7
- Treatment
- Application of Pt1
- Outcome
- Zn concentration in rootse0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no effect on Zn concentration in roots”
e7“Rice (Oryza sativa) was used as a test crop in greenhouse”
t1“Application of P reduced the Zn concentration in tops”
Claim · model-written summary
Zn application had no significant effect on rice P concentration.
- Taxon
- riceOryza sativae0
- Treatment
- Application of Zne0
- Outcome
- P concentrationse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of Zn had no significant effect on P concentrations of rice plants”
The same questions in other papers
zinc atom · nutrient: content · Oryza sativa (rice)Results differ
253 papers in the same direction as this paper · 21 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- no effect
272 papers more in this group
See all 276 papers →phosphorus · nutrient: content · Oryza sativa (rice)Positive and negative results
25 papers in the same direction as this paper · 142 in the opposite direction
- positive
- positive
- positive
164 papers more in this group
See all 168 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.