Abstract
The influence of potassium fertilizer source (K2SO4 and KCl) and fertilizer rates on potato tuber quality parameters under pot and field experimental conditions were studied. The pot experiment included high rate of potassium fertilizers providing 600 mg K2O kg-1 soil from both sources, studded at four varieties. The field experiment included two fertilizer rates - 100 and 200 kg K2O ha-1. The dry matter content in tubers from the plants of the pot experiment was the highest for the controls of the three studied varieties - 19.78% for „Louisiana”; 17.16 for „Riviera” and 17.26% for „Hussar”. The highest dry matter content (20.98%) in field conditions was observed for variant K200 (K2SO4). For all variants from the pot trail fertilized with KCl the starch content was decreased approximately with 2.2 to 2.4% in comparison to controls. The highest tuber starch content was observed also for the control (15.24%) from the field study. The fertilization did not influence the reducing sugars content in tubers. The content was around 0.40% independently of the trail conditions and cultivars. The application of KCl decreased the content of vitamin C in tubers for all variants from the pot trail compared to the controls (from 46% at variety „Louisiana” to 61% to Agria). In the field experiment the high rate of K200 KCl reduced vitamin C content with approximately 54% (8.40 mg 100 g-1) in comparison to variant K100 K2SO4 (18.10 mg 100 g-1). Positive influence of KCl on crude protein content in tubers at all varieties from both trials was recorded.
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Claims 11
Claim · model-written summary
In the pot experiment, tuber dry matter content was highest in the controls of Louisiana at 19.78%.
- Taxon
- Potato
Solanum tuberosumt0 - Material
- Louisianae0
- Treatment
- potassium fertilizers providing 600 mg K2O kg-1 soile1
- Outcome
- dry matter contente0
- Direction
- higheste0
- Value
- 19.78%e0
- Comparator
- controlse0
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry matter content in tubers from the plants of the pot experiment was the highest for the controls of the three studied varieties - 19.78% for „Louisiana”; 17.16 for „Riviera” and 17.26% for „Hussar””
e1“high rate of potassium fertilizers providing 600 mg K2O kg-1 soil”
t0“Potato Varieties”
Claim · model-written summary
In the pot experiment, tuber dry matter content was highest in the controls of Riviera at 17.16.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Rivierae0
- Treatment
- potassium fertilizers providing 600 mg K2O kg-1 soile1
- Outcome
- dry matter contente0
- Direction
- higheste0
- Value
- 17.16e0
- Comparator
- controlse0
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry matter content in tubers from the plants of the pot experiment was the highest for the controls of the three studied varieties - 19.78% for „Louisiana”; 17.16 for „Riviera” and 17.26% for „Hussar””
e1“high rate of potassium fertilizers providing 600 mg K2O kg-1 soil”
t0“Potato Varieties”
Claim · model-written summary
In the pot experiment, tuber dry matter content was highest in the controls of Hussar at 17.26%.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Hussare0
- Treatment
- potassium fertilizers providing 600 mg K2O kg-1 soile1
- Outcome
- dry matter contente0
- Direction
- higheste0
- Value
- 17.26%e0
- Comparator
- controlse0
- Setting
- pot experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry matter content in tubers from the plants of the pot experiment was the highest for the controls of the three studied varieties - 19.78% for „Louisiana”; 17.16 for „Riviera” and 17.26% for „Hussar””
e1“high rate of potassium fertilizers providing 600 mg K2O kg-1 soil”
t0“Potato Varieties”
Claim · model-written summary
In the field, the highest tuber dry matter content (20.98%) was observed for variant K200 (K2SO4).
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- K200 (K2SO4)e0
- Outcome
- dry matter contente0
- Direction
- higheste0
- Value
- 20.98%e0
- Setting
- field conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest dry matter content (20.98%) in field conditions was observed for variant K200 (K2SO4)”
t0“Potato Varieties”
Claim · model-written summary
In the pot trial, KCl fertilization decreased tuber starch content by approximately 2.2 to 2.4% compared with controls.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- fertilized with KCle0
- Outcome
- starch contente0
- Direction
- decreasede0
- Value
- 2.2 to 2.4%e0
- Comparator
- controlse0
- Setting
- pot traile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For all variants from the pot trail fertilized with KCl the starch content was decreased approximately with 2.2 to 2.4% in comparison to controls”
t0“Potato Varieties”
Claim · model-written summary
In the field study the highest tuber starch content, 15.24%, was observed in the control.
- Taxon
- PotatoSolanum tuberosumt0
- Outcome
- tuber starch contente0
- Value
- 15.24%e0
- Qualifier
- controle0
- Setting
- field studye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest tuber starch content was observed also for the control (15.24%) from the field study”
t0“Potato Varieties”
Claim · model-written summary
Fertilization did not influence tuber reducing sugars content, which was around 0.40% regardless of trial conditions and cultivars.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- fertilizatione0
- Outcome
- reducing sugars contente0
- Direction
- did not influencee0
- Value
- around 0.40%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fertilization did not influence the reducing sugars content in tubers. The content was around 0.40% independently of the trail conditions and cultivars”
t0“Potato Varieties”
Claim · model-written summary
In the pot trial, KCl decreased tuber vitamin C content by 46% in Louisiana compared with controls.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Louisianae0
- Treatment
- application of KCle0
- Outcome
- content of vitamin Ce0
- Direction
- decreasede0
- Value
- 46%e0
- Comparator
- controlse0
- Setting
- pot traile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of KCl decreased the content of vitamin C in tubers for all variants from the pot trail compared to the controls (from 46% at variety „Louisiana” to 61% to Agria)”
t0“Potato Varieties”
Claim · model-written summary
In the pot trial, KCl decreased tuber vitamin C content by 61% in Agria compared with controls.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Agriae0
- Treatment
- application of KCle0
- Outcome
- content of vitamin Ce0
- Direction
- decreasede0
- Value
- 61%e0
- Comparator
- controlse0
- Setting
- pot traile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of KCl decreased the content of vitamin C in tubers for all variants from the pot trail compared to the controls (from 46% at variety „Louisiana” to 61% to Agria)”
t0“Potato Varieties”
Claim · model-written summary
In the field, the high rate of K200 KCl reduced tuber vitamin C content by approximately 54% relative to K100 K2SO4.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- high rate of K200 KCle0
- Outcome
- vitamin C contente0
- Direction
- reducede0
- Value
- approximately 54%e0
- Qualifier
- 18.10 mg 100 g-1e0
- Comparator
- variant K100 K2SO4e0
- Setting
- field experimente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the field experiment the high rate of K200 KCl reduced vitamin C content with approximately 54% (8.40 mg 100 g-1) in comparison to variant K100 K2SO4 (18.10 mg 100 g-1)”
t0“Potato Varieties”
Claim · model-written summary
KCl had a positive influence on tuber crude protein content in all varieties in both trials.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- KCle0
- Outcome
- crude protein contente0
- Direction
- increaseinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Positive influence of KCl on crude protein content in tubers at all varieties from both trials was recorded”
t0“Potato Varieties”
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See all 61 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.