Abstract
Cadmium (Cd) accumulation in crops is considered one of the major problems which agriculture faces in industrial and urban areas. This study was conducted to determine the influence of fertilization with slow-release zeolite-bound zinc and copper on the cadmium uptake of wheat (Triticum aestivum L., cv. Nandu) and spinach (Spinacia oleracea L., cv. Matador), two crops with higher tendency to accumulate Cd. The effect of different amounts of zinc (Zn) and copper (Cu), added singly or in combination to a soil previously treated with CdSO4 was investigated in pot experiments. Combined application of Zn and Cu decreased Cd concentration in wheat grain significantly by 20%, whereas Zn-fertilization resulted in only a slightly decreased Cd concentration; addition of Cu increased grain Cd in one treatment. In the case of spinach, a decrease of Cd levels in the aboveground biomass was observed in all treatments. Combined application of Zn and Cu resulted in a 30% decrease of Cd concentration in the aboveground biomass. Therefore, fertilization with slow-release micronutrients can decrease the concentration of Cd in edible parts of crops and may thus improve quality of agricultural products grown on high Cd soils.
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Claims 6
Claim · model-written summary
Combined zinc and copper reduced wheat grain cadmium concentration by 20%.
- Taxon
- wheat
Triticum aestivume0 - Organ / stage
- graine0
- Treatment
- Combined application of Zn and Cue0
- Outcome
- Cd concentratione0
- Direction
- decreasede0
- Value
- 20%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined application of Zn and Cu decreased Cd concentration in wheat grain significantly by 20%”
Claim · model-written summary
Zinc fertilization slightly reduced wheat cadmium concentration.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Zn-fertilizatione0
- Outcome
- Cd concentratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zn-fertilization resulted in only a slightly decreased Cd concentration”
t0“Wheat and Spinach”
Claim · model-written summary
Copper increased wheat grain cadmium in one treatment.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- addition of Cue0
- Outcome
- grain Cde0
- Direction
- increasede0
- Qualifier
- one treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“addition of Cu increased grain Cd in one treatment”
t0“Wheat and Spinach”
Claim · model-written summary
All treatments reduced spinach aboveground cadmium.
- Taxon
- spinach
Spinacia oleraceae0 - Organ / stage
- aboveground biomasse0
- Treatment
- all treatmentse0
- Outcome
- Cd levelse0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the case of spinach, a decrease of Cd levels in the aboveground biomass was observed in all treatments”
Claim · model-written summary
Combined zinc and copper reduced spinach aboveground cadmium concentration by 30%.
- Taxon
- SpinachSpinacia oleraceat0
- Organ / stage
- aboveground biomasse0
- Treatment
- Combined application of Zn and Cue0
- Outcome
- Cd concentratione0
- Direction
- decreasee0
- Value
- 30%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combined application of Zn and Cu resulted in a 30% decrease of Cd concentration in the aboveground biomass”
t0“Wheat and Spinach”
Claim · model-written summary
The authors conclude that slow-release micronutrients may reduce cadmium in edible crop parts and improve product quality on high-cadmium soils.
Verbatim
e0“fertilization with slow-release micronutrients can decrease the concentration of Cd in edible parts of crops and may thus improve quality of agricultural products grown on high Cd soils”
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See all 11 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.