Abstract
Nitrates naturally occur in plant-based food. Nitrates content in consumable plant organs is small and should not raise concern provided that the recommended fertilization and harvest terms of the original plants are observed. The aim was to determine the effect of the application of various organic matter of soil fertilizer and simplifications in growing potato (Solanum tuberosum L.) on the content of nitrates in the tubers of mid-early cultivar 'Satina' after harvest and after 6-mo of storage. Introducing cultivation simplification involves limiting mineral fertilization by 50% as well as chemical protection limitation. The soil fertilizer was used: 0.6 (autumn), 0.3 (spring), and 0.3 L ha-1 (during the vegetation period). The content of nitrates, was determined with the use of the ion-selective method (multi-purpose computer device CX-721, Elmetron). The lowest amount of nitrates was recorded in the tubers from the plots without the application of organic matter with a 50% rate of mineral fertilization with soil fertilizer (120.5 mg kg-1 FW). The use of varied organic matter resulted in a significant increase in the content of nitrates in tubers and the lowest effect on their accumulation was reported for straw. The soil fertilizer used significantly decreased the content of nitrates in tubers by 15% for 100% NPK and 10.4% for 50% NPK. After 6-mo storage, irrespective of the experiment factors, the content of nitrates decreased in the fertilization experiment by 26% and in the experiment with a limited protection - by 19.9%.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 7
Claim · model-written summary
The lowest tuber nitrate level occurred without organic matter under reduced mineral fertilizer and soil fertilizer.
- Taxon
- potato
Solanum tuberosumt0 - Organ / stage
- tuberse0
- Treatment
- without the application of organic matter with a 50% rate of mineral fertilization with soil fertilizere0
- Outcome
- amount of nitratese0
- Direction
- loweste0
- Value
- 120.5 mg kg-1 FWe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest amount of nitrates was recorded in the tubers from the plots without the application of organic matter with a 50% rate of mineral fertilization with soil fertilizer (120.5 mg kg-1 FW).”
t0“potato”
Claim · model-written summary
Organic matter significantly increased tuber nitrate content.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- varied organic mattere0
- Outcome
- content of nitrates in tuberse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of varied organic matter resulted in a significant increase in the content of nitrates in tubers”
t0“potato”
Claim · model-written summary
Straw had the lowest effect on nitrate accumulation among organic matter treatments.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- strawe0
- Outcome
- effect on their accumulatione0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest effect on their accumulation was reported for straw.”
t0“potato”
Claim · model-written summary
Soil fertilizer decreased tuber nitrates by 15% under 100% NPK.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- soil fertilizere0
- Outcome
- content of nitrates in tuberse0
- Direction
- decreasede0
- Value
- 15%e0
- Qualifier
- 100% NPKe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil fertilizer used significantly decreased the content of nitrates in tubers by 15% for 100% NPK”
t0“potato”
Claim · model-written summary
Soil fertilizer decreased tuber nitrates by 10.4% under 50% NPK.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- soil fertilizere0
- Outcome
- content of nitrates in tuberse0
- Direction
- decreasede0
- Value
- 10.4%e0
- Qualifier
- 50% NPKe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The soil fertilizer used significantly decreased the content of nitrates in tubers by 15% for 100% NPK and 10.4% for 50% NPK.”
t0“potato”
Claim · model-written summary
Six months of storage decreased tuber nitrates by 26% in the fertilization experiment.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 6-mo storagee0
- Outcome
- content of nitratese0
- Direction
- decreasede0
- Value
- 26%e0
- Qualifier
- fertilization experimente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 6-mo storage, irrespective of the experiment factors, the content of nitrates decreased in the fertilization experiment by 26%”
t0“potato”
Claim · model-written summary
Six months of storage decreased tuber nitrates by 19.9% in the limited-protection experiment.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 6-mo storagee0
- Outcome
- content of nitratese0
- Direction
- decreasede0
- Value
- 19.9%e0
- Qualifier
- experiment with a limited protectione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 6-mo storage, irrespective of the experiment factors, the content of nitrates decreased in the fertilization experiment by 26% and in the experiment with a limited protection - by 19.9%.”
t0“potato”
The same questions in other papers
organic · molecular: metabolites · Solanum tuberosum (potato)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- no effect
storage · molecular: metabolites · Solanum tuberosum (potato)Positive and negative results
12 papers in the same direction as this paper · 11 in the opposite direction · 1 reporting no difference from an alternative
- negative
- negative
- no effect
21 papers more in this group
See all 25 papers →fertilization · molecular: metabolites · Solanum tuberosum (potato)Positive and negative results
27 papers in the same direction as this paper · 14 in the opposite direction · 3 reporting no difference from an alternative
- no effect
- negative
- negative
41 papers more in this group
See all 45 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.