Abstract
The principal soils of the Atherton Tableland are derived from basalt, granite, acid volcanic, and metamorphic rocks. They are predominantly krasnozems with some xanthozems and krasnozem variants. They were assessed for plant nutrient status by means of glasshouse experiments using the legumes Desmodium intortum and Trifolium repens as test plants. The main nutrient responses were, in decreasing order of magnitude, to phosphorus, molybdenum, and potassium. There were also small responses on some soils to sulphur, liming, and, under liming, to zinc. For most of the soils growth was negligible in the absence of added phosphorus. Responses to added molybdenum in the presence of liming indicated gross soil molybdenum deficiency. Potassium response was related to total rainfall except for the soils on metamorphic parent material.
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Claims 5
Claim · model-written summary
Test legumes responded most strongly to phosphorus, then molybdenum and potassium.
- Taxon
- Desmodium intortum and Trifolium repens
Trifolium repens
Desmodium intortume0 - Treatment
- phosphorus, molybdenum, and potassiume1
- Outcome
- nutrient responsese1
- Direction
- decreasing order of magnitudee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“using the legumes Desmodium intortum and Trifolium repens as test plants”
e1“The main nutrient responses were, in decreasing order of magnitude, to phosphorus, molybdenum, and potassium”
Claim · model-written summary
Some soils showed small responses to sulphur, liming and zinc under liming.
- Taxon
- Desmodium intortum and Trifolium repensTrifolium repensDesmodium intortume1
- Treatment
- sulphur, liming, and, under liming, to zince0
- Outcome
- small responsese0
- Direction
- responsese0
- Qualifier
- some soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were also small responses on some soils to sulphur, liming, and, under liming, to zinc”
e1“using the legumes Desmodium intortum and Trifolium repens as test plants”
Claim · model-written summary
Growth was negligible without added phosphorus on most soils.
- Taxon
- Desmodium intortum and Trifolium repensTrifolium repensDesmodium intortume1
- Treatment
- absence of added phosphoruse0
- Outcome
- growthe0
- Direction
- negligiblee0
- Qualifier
- most of the soilse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For most of the soils growth was negligible in the absence of added phosphorus”
e1“using the legumes Desmodium intortum and Trifolium repens as test plants”
Claim · model-written summary
Molybdenum responses under liming indicated gross soil molybdenum deficiency.
- Taxon
- Desmodium intortum and Trifolium repensTrifolium repensDesmodium intortume1
- Treatment
- added molybdenume0
- Outcome
- gross soil molybdenum deficiencye0
- Qualifier
- in the presence of liminge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Responses to added molybdenum in the presence of liming indicated gross soil molybdenum deficiency”
e1“using the legumes Desmodium intortum and Trifolium repens as test plants”
Claim · model-written summary
Potassium response was related to total rainfall except on metamorphic soils.
- Taxon
- Desmodium intortum and Trifolium repensTrifolium repensDesmodium intortume1
- Outcome
- Potassium responsee0
- Qualifier
- except for the soils on metamorphic parent materiale0
- Setting
- total rainfalle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potassium response was related to total rainfall except for the soils on metamorphic parent material”
e1“using the legumes Desmodium intortum and Trifolium repens as test plants”
The same questions in other papers
molybdenum atom · nutrient: content · Trifolium repens (white clover)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →potassium · nutrient: content · Trifolium repens (white clover)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
phosphorus · nutrient: content · Trifolium repens (white clover)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →phosphorus · growth · Trifolium repens (white clover)Positive and negative results
21 papers in the same direction as this paper · 3 in the opposite direction
This paper is about lacking the nutrient, so it counts the other way round here.
- negative
- no effect
- no effect
21 papers more in this group
See all 25 papers →phosphorus · growth · Desmodium intortum (greenleaf desmodium)Results agree
1 paper in the same direction as this paper
This paper is about lacking the nutrient, so it counts the other way round here.
- 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.