Abstract
Abstract The effects of different levels of arsenic (As) and salinity on bean plant (Phaseolus vulgaris L., cv. Buenos Aires) nutrition were investigated. We studied the processes of absorption and accumulation of macronutrient elements: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg). The experiment was performed in soilless culture at two levels of As: 2 and 5 mg AsL‐1 (added as sodium arsenite, NaAsO2), and three saline levels [only sodium chloride (NaCl) was added]: 1, 2, and 4 dS‐m‐1. Sodium arsenite and NaCl significantly affected macronutrients allocation within bean plant at concentration levels used in this study. Arsenite depressed K, Na, and Mg concentrations in root, whereas root N, and Ca levels were increased. Nitrogen, P, K, and Na concentrations were significantly higher in As‐stressed plants compared with controls. The addition of NaCl increased Ca concentration in roots and decreased that of K. Salinity tended to increase leaf concentrations of K, Na, Ca, and Mg; whereas leaf N and P levels decreased with increasing salinity.
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Claims 8
Claim · model-written summary
Sodium arsenite and NaCl significantly affected macronutrient allocation within bean plants.
Not reportedComparatorDirection
Verbatim
e0“Sodium arsenite and NaCl significantly affected macronutrients allocation within bean plant at concentration levels used in this study”
Claim · model-written summary
Arsenite depressed root K, Na and Mg concentrations.
- Taxon
- bean plantt0
- Organ / stage
- roote0
- Treatment
- Arsenitee0
- Outcome
- K, Na, and Mg concentrations in roote0
- Direction
- depressede0
Not reportedComparator
Verbatim
e0“Arsenite depressed K, Na, and Mg concentrations in root”
t0“bean plant”
Claim · model-written summary
Arsenite increased root N and Ca levels.
- Taxon
- bean plantt0
- Organ / stage
- roote0
- Treatment
- Arsenitee0
- Outcome
- root N, and Ca levelse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Arsenite depressed K, Na, and Mg concentrations in root, whereas root N, and Ca levels were increased”
t0“bean plant”
Claim · model-written summary
As-stressed plants had significantly higher N, P, K and Na concentrations than controls.
Verbatim
e0“Nitrogen, P, K, and Na concentrations were significantly higher in As‐stressed plants compared with controls”
t0“bean plant”
Claim · model-written summary
NaCl increased root Ca concentration.
- Taxon
- bean plantt0
- Organ / stage
- rootse0
- Treatment
- addition of NaCle0
- Outcome
- Ca concentration in rootse0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The addition of NaCl increased Ca concentration in roots”
t0“bean plant”
Claim · model-written summary
NaCl decreased root K concentration.
Not reportedComparator
Verbatim
e0“The addition of NaCl increased Ca concentration in roots and decreased that of K”
t0“bean plant”
Claim · model-written summary
Salinity tended to increase leaf K, Na, Ca and Mg concentrations.
- Taxon
- bean plantt0
- Organ / stage
- leafe0
- Treatment
- Salinitye0
- Outcome
- leaf concentrations of K, Na, Ca, and Mge0
- Direction
- increasee0
- Qualifier
- tended toe0
Not reportedComparator
Verbatim
e0“Salinity tended to increase leaf concentrations of K, Na, Ca, and Mg”
t0“bean plant”
Claim · model-written summary
Leaf N and P levels decreased with increasing salinity.
Verbatim
e0“leaf N and P levels decreased with increasing salinity”
t0“bean plant”
The same questions in other papers
sodium chloride · nutrient: content · Phaseolus vulgaris (common bean)Positive and negative results
6 papers in the same direction as this paper · 3 in the opposite direction
- positive
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See all 10 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.