Abstract
In a vegetation pot trial the effect of three graded levels of sulphur in the soil (S0 = 18.3; S1 = 40; S2 = 60 mg S-SO4 kg-1) was explored under constant nitrogen nutrition (0.6 g N pot-1) on the yields and quality of spring garlic. Sulphur was applied as ammonium sulphate and nitrogen was maintained at a uniform level with ammonium nitrate. Mitscherlich’s pots were filled with medium heavy fluvial soil, which showed weak acid reaction, good supply of available phosphorus and potassium, high calcium content and very high magnesium content. Narrow-leaved spring giant garlic, variety ‘Prim’, were planted and harvested in the stage of full maturity. The amount of the yield was evaluated and nitrate content was measured direct in green plants with ion-selective electrode. Under the influence of the higher dosage of sulphur introduced to the soil the yields increased statistically significantly by as much as 9.8% compared with the control variant and by 6% compared to the lower dose of sulphur. With increasing sulphur levels in the soil the reduction of nitrates concentrations in edible parts of garlic was highly significant, i.e. by 9.5 to 22.7% compared to the control treatment. The permitted limit of nitrates according to the Regulations of the Ministry of Health No. 53/2002 Sb was not exceeded in any variant.
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Claims 4
Claim · model-written summary
Higher sulphur application increased garlic yield by 9.8% versus control.
- Taxon
- garlic (Allium sativum L.)
Allium sativumt0 - Treatment
- higher dosage of sulphure0
- Outcome
- yieldse0
- Direction
- increasede0
- Value
- 9.8%e0
- Comparator
- control variante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the influence of the higher dosage of sulphur introduced to the soil the yields increased statistically significantly by as much as 9.8% compared with the control variant”
t0“garlic (Allium sativum L.)”
Claim · model-written summary
Higher sulphur application increased garlic yield by 6% versus the lower dose.
- Taxon
- garlic (Allium sativum L.)Allium sativumt0
- Treatment
- higher dosage of sulphure0
- Outcome
- yieldse0
- Direction
- increasede0
- Value
- 6%e0
- Comparator
- lower dose of sulphure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the influence of the higher dosage of sulphur introduced to the soil the yields increased statistically significantly by as much as 9.8% compared with the control variant and by 6% compared to the lower dose of sulphur”
t0“garlic (Allium sativum L.)”
Claim · model-written summary
Increasing soil sulphur reduced nitrate concentration in edible garlic by 9.5 to 22.7% versus control.
- Taxon
- garlicAllium sativume0
- Treatment
- increasing sulphur levels in the soile0
- Outcome
- nitrates concentrations in edible parts of garlice0
- Direction
- reductione0
- Value
- 9.5 to 22.7%e0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing sulphur levels in the soil the reduction of nitrates concentrations in edible parts of garlic was highly significant, i.e. by 9.5 to 22.7% compared to the control treatment”
Claim · model-written summary
No fertilizer variant exceeded the permitted nitrate limit.
- Taxon
- garlic (Allium sativum L.)Allium sativumt0
- Outcome
- permitted limit of nitratese0
- Direction
- not exceedede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The permitted limit of nitrates according to the Regulations of the Ministry of Health No. 53/2002 Sb was not exceeded in any variant”
t0“garlic (Allium sativum L.)”
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See all 33 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.