Abstract
Under strongly acidic soil conditions, low phosphorus nutrition may be a factor that inhibits plant growth. We examined the effects on plant growth of adding a poorly soluble phosphate (AlPO4) under phosphorus-deficient conditions using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover). As a result, only buckwheat showed no inhibition of growth despite phosphorus deficiency, but the remaining three species showed reduced growth, with a particularly significant reduction seen in sweet basil. Although the growth inhibition in these species could be reversed by adding AlPO4, the extents were different according to plant species. Sweet basil, whose growth was the most inhibited by phosphorus deficiency, showed the most marked recovery in growth. When the relationship between phosphorus absorption from AlPO4 and the increase in dry weight was investigated, rates of increase in dry weight with phosphorus absorption were the highest in red clover and sweet basil, followed by buckwheat and kenaf. On the other hand, when the amounts of AlPO4 dissolubed by substances secreted from the roots were compared among these plants, AlPO4 solubility was lower in buckwheat and kenaf and higher in red clover and sweet basil. Very high AlPO4 solubility was observed in sweet basil. We conclude that plants with a higher requirement for phosphorus release greater amounts of substances that dissolution otherwise insoluble phosphates such as AlPO4 to ensure their growth.
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Claims 16
Claim · model-written summary
Buckwheat showed no growth inhibition despite phosphorus deficiency
- Taxon
- buckwheate0
- Treatment
- phosphorus deficiencye1
- Outcome
- inhibition of growthe1
- Direction
- no_changeinferrede1
Not reportedComparator
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“only buckwheat showed no inhibition of growth despite phosphorus deficiency”
Claim · model-written summary
Kenaf showed reduced growth under phosphorus deficiency
- Taxon
- kenaf
Hibiscus cannabinuse0 - Treatment
- phosphorus deficiencye2
- Outcome
- growthe1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“but the remaining three species showed reduced growth”
e2“only buckwheat showed no inhibition of growth despite phosphorus deficiency”
Claim · model-written summary
Sweet basil showed a particularly significant reduction in growth under phosphorus deficiency
- Taxon
- sweet basil
Ocimum basilicume0 - Treatment
- phosphorus deficiencye2
- Outcome
- growthe1
- Direction
- reductione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“but the remaining three species showed reduced growth”
e2“only buckwheat showed no inhibition of growth despite phosphorus deficiency”
e3“with a particularly significant reduction seen in sweet basil”
Claim · model-written summary
Red clover showed reduced growth under phosphorus deficiency
- Taxon
- red clover
Trifolium pratensee0 - Treatment
- phosphorus deficiencye2
- Outcome
- growthe1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“but the remaining three species showed reduced growth”
e2“only buckwheat showed no inhibition of growth despite phosphorus deficiency”
Claim · model-written summary
Adding AlPO4 could reverse the growth inhibition in kenaf, to an extent that differed by species
- Taxon
- kenafHibiscus cannabinuse0
- Treatment
- adding AlPO4e1
- Outcome
- growth inhibitione1
- Direction
- reversede1
- Qualifier
- the extents were different according to plant speciese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“Although the growth inhibition in these species could be reversed by adding AlPO4, the extents were different according to plant species”
Claim · model-written summary
Sweet basil showed the most marked growth recovery when AlPO4 was added under phosphorus deficiency
- Taxon
- Sweet basilOcimum basilicume1
- Treatment
- adding AlPO4e2
- Outcome
- recovery in growthe1
- Direction
- the most markede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“Sweet basil, whose growth was the most inhibited by phosphorus deficiency, showed the most marked recovery in growth”
e2“Although the growth inhibition in these species could be reversed by adding AlPO4, the extents were different according to plant species”
Claim · model-written summary
Adding AlPO4 could reverse the growth inhibition in red clover, to an extent that differed by species
- Taxon
- red cloverTrifolium pratensee0
- Treatment
- adding AlPO4e1
- Outcome
- growth inhibitione1
- Direction
- reversede1
- Qualifier
- the extents were different according to plant speciese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“Although the growth inhibition in these species could be reversed by adding AlPO4, the extents were different according to plant species”
Claim · model-written summary
Red clover had the highest rate of dry weight increase per phosphorus absorbed from AlPO4
- Taxon
- red cloverTrifolium pratensee0
- Treatment
- AlPO4e2
- Outcome
- rates of increase in dry weight with phosphorus absorptione1
- Direction
- higheste1
- Comparator
- buckwheat and kenafe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“rates of increase in dry weight with phosphorus absorption were the highest in red clover and sweet basil, followed by buckwheat and kenaf”
e2“When the relationship between phosphorus absorption from AlPO4 and the increase in dry weight was investigated”
Claim · model-written summary
Sweet basil had the highest rate of dry weight increase per phosphorus absorbed from AlPO4
- Taxon
- sweet basilOcimum basilicume0
- Treatment
- AlPO4e2
- Outcome
- rates of increase in dry weight with phosphorus absorptione1
- Direction
- higheste1
- Comparator
- buckwheat and kenafe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“rates of increase in dry weight with phosphorus absorption were the highest in red clover and sweet basil, followed by buckwheat and kenaf”
e2“When the relationship between phosphorus absorption from AlPO4 and the increase in dry weight was investigated”
Claim · model-written summary
Buckwheat had a lower rate of dry weight increase per phosphorus absorbed from AlPO4 than red clover and sweet basil
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“rates of increase in dry weight with phosphorus absorption were the highest in red clover and sweet basil, followed by buckwheat and kenaf”
e2“When the relationship between phosphorus absorption from AlPO4 and the increase in dry weight was investigated”
Claim · model-written summary
Kenaf had a lower rate of dry weight increase per phosphorus absorbed from AlPO4 than red clover and sweet basil
- Taxon
- kenafHibiscus cannabinuse0
- Treatment
- AlPO4e2
- Outcome
- rates of increase in dry weight with phosphorus absorptione1
- Direction
- lowerinferrede1
- Comparator
- red clover and sweet basile1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“rates of increase in dry weight with phosphorus absorption were the highest in red clover and sweet basil, followed by buckwheat and kenaf”
e2“When the relationship between phosphorus absorption from AlPO4 and the increase in dry weight was investigated”
Claim · model-written summary
Buckwheat had lower AlPO4 solubility than red clover and sweet basil
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“AlPO4 solubility was lower in buckwheat and kenaf and higher in red clover and sweet basil”
Claim · model-written summary
Kenaf had lower AlPO4 solubility than red clover and sweet basil
- Taxon
- kenafHibiscus cannabinuse0
- Outcome
- AlPO4 solubilitye1
- Direction
- lowere1
- Comparator
- red clover and sweet basile1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“AlPO4 solubility was lower in buckwheat and kenaf and higher in red clover and sweet basil”
Claim · model-written summary
Red clover had higher AlPO4 solubility than buckwheat and kenaf
- Taxon
- red cloverTrifolium pratensee0
- Outcome
- AlPO4 solubilitye1
- Direction
- highere1
- Comparator
- buckwheat and kenafe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“AlPO4 solubility was lower in buckwheat and kenaf and higher in red clover and sweet basil”
Claim · model-written summary
Sweet basil had higher, very high AlPO4 solubility than buckwheat and kenaf
- Taxon
- sweet basilOcimum basilicume0
- Outcome
- AlPO4 solubilitye1
- Direction
- highere1
- Qualifier
- Very highe2
- Comparator
- buckwheat and kenafe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the high-acidity resistant plants (buckwheat and kenaf) and sensitive plants (sweet basil and red clover)”
e1“AlPO4 solubility was lower in buckwheat and kenaf and higher in red clover and sweet basil”
e2“Very high AlPO4 solubility was observed in sweet basil”
Claim · model-written summary
Plants with a higher phosphorus requirement appear to release greater amounts of substances that dissolve insoluble phosphates such as AlPO4
- Taxon
- plantsViridiplantaee0
- Outcome
- release greater amounts of substancese0
- Qualifier
- a higher requirement for phosphoruse0
Verbatim
e0“We conclude that plants with a higher requirement for phosphorus release greater amounts of substances that dissolution otherwise insoluble phosphates such as AlPO4 to ensure their growth”
The same questions in other papers
phosphorus · disease · Fagopyrum esculentum (common buckwheat)Positive and negative results
1 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- positive
phosphorus · growth · Hibiscus cannabinus (kenaf)Positive and negative results
1 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- no effect
phosphorus · growth · Ocimum basilicum (basil)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →phosphorus · growth · Trifolium pratense (red clover)Results agree
3 papers in the same direction as this paper
This paper is about lacking the nutrient, so it counts the other way round here.
- positive
- positive
- positive
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.