Abstract
Application of various alternative nutrient supplies can partly be substituted by chemical fertilizers, resulting in economical use with less environmental strains. Biofertilizers containing living microorganisms promote nutrition uptake, but still there are questions regarding their application under stress conditions. One of the main abiotic factors that can induce stress is contamination of soils with toxic elements. In the course of intensive plant-growth conditions, considerable quantities of basic cations are removed from the soil, resulting in acidification and thereby enhancing the uptake of heavy metals by plants. Cadmium (Cd) toxicity is a major problem affecting crop productivity worldwide. The presence of Cd in the rhizosphere can cause stress responses and alteration in many physiological processes, including nitrogen metabolism, photosynthesis, carbohydrate metabolism, sulfate assimilation, and plant–water interactions. Once in the plant, Cd can enter the food chain, causing public health problems. The aim of our work was to investigate the effects of biofertilizers on plant production and nutrient uptake in some Cd-contaminated soils. Our results revealed that Cd accumulated primarily in the roots and transport to the shoots was rather low; however, there were differences between the two plants species. Plant uptake by sunflower was greater than by maize, and sunflower appeared to be more stress tolerant of Cd than maize. With the use of the bacterium-containing biofertilizer, the toxic effect of Cd was moderated.
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Claims 4
Claim · model-written summary
Cd accumulated primarily in the roots, and transport to the shoots was rather low.
- Taxon
- Maize and Sunflower
Helianthus annuus
Zea mayst0 - Organ / stage
- rootse1
- Treatment
- Cadmium Stresst0
- Outcome
- Cd accumulated primarily in the rootse1
- Qualifier
- transport to the shoots was rather lowe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Biofertilizers on Maize and Sunflower Seedlings under Cadmium Stress”
e1“Cd accumulated primarily in the roots and transport to the shoots was rather low”
Claim · model-written summary
Plant uptake by sunflower was greater than by maize.
- Taxon
- sunflowerHelianthus annuuse2
- Outcome
- Plant uptakee2
- Direction
- greatere2
- Comparator
- maizee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Biofertilizers on Maize and Sunflower Seedlings under Cadmium Stress”
e2“Plant uptake by sunflower was greater than by maize”
Claim · model-written summary
Sunflower appeared more stress tolerant of Cd than maize.
- Taxon
- sunflowerHelianthus annuuse3
- Treatment
- Cde3
- Outcome
- stress tolerant of Cde3
- Direction
- moree3
- Comparator
- maizee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Biofertilizers on Maize and Sunflower Seedlings under Cadmium Stress”
e3“sunflower appeared to be more stress tolerant of Cd than maize”
Claim · model-written summary
The bacterium-containing biofertilizer moderated the toxic effect of Cd.
- Taxon
- Maize and SunflowerHelianthus annuusZea mayst0
- Treatment
- bacterium-containing biofertilizere4
- Outcome
- toxic effect of Cde4
- Direction
- moderatede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Biofertilizers on Maize and Sunflower Seedlings under Cadmium Stress”
e4“With the use of the bacterium-containing biofertilizer, the toxic effect of Cd was moderated”
The same questions in other papers
inoculation · Bacteria · Helianthus annuus (common sunflower)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
2 papers more in this group
See all 6 papers →inoculation · Bacteria · Zea mays (maize)Positive and negative results
19 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
17 papers more in this group
See all 21 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.