Abstract
Head and leaf weight of cabbage plants grown using half the nitrogen fertilizer applied to control plants (hereafter referred to as the half treatment) were markedly less than those obtained for control plants to which the standard amount of nitrogen fertilizer was applied. Sugar content 33 d after sowing (DAS) did not differ between treatments, but glucose and fructose content in the half treatment 82 DAS was higher than that of the control. Although the number of cell layers in cross-section for the leaves from both treatments was ≈20, cells from the half treatment appeared smaller than those of the control. Therefore, it is suggested that the higher sugar content in leaves of cabbage plants grown on media containing less nitrogen fertilizer occurs in response to the smaller cells in the leaves.
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Claims 6
Claim · model-written summary
Half nitrogen fertilizer markedly reduced cabbage head and leaf weight.
- Taxon
- cabbage
Brassica oleracea var. capitatae0 - Treatment
- half the nitrogen fertilizere0
- Outcome
- Head and leaf weighte0
- Direction
- markedly lesse0
- Comparator
- standard amount of nitrogen fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Head and leaf weight of cabbage plants grown using half the nitrogen fertilizer applied to control plants (hereafter referred to as the half treatment) were markedly less than those obtained for control plants to which the standard amount of nitrogen fertilizer was applied.”
Claim · model-written summary
At 33 DAS, cabbage sugar content did not differ between nitrogen treatments.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- half the nitrogen fertilizere1
- Outcome
- Sugar contente0
- Direction
- did not differe0
- Qualifier
- 33 d after sowing (DAS)e0
- Comparator
- standard amount of nitrogen fertilizere2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar content 33 d after sowing (DAS) did not differ between treatments”
e1“cabbage plants grown using half the nitrogen fertilizer applied to control plants”
e2“standard amount of nitrogen fertilizer”
Claim · model-written summary
At 82 DAS, half nitrogen increased cabbage glucose and fructose content.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- half treatmente0
- Outcome
- glucose and fructose contente0
- Direction
- highere0
- Qualifier
- 82 DASe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“glucose and fructose content in the half treatment 82 DAS was higher than that of the control.”
e1“cabbage plants grown using half the nitrogen fertilizer applied to control plants”
Claim · model-written summary
Both cabbage nitrogen treatments had approximately 20 leaf cell layers in cross-section.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Organ / stage
- leavese0
- Outcome
- number of cell layers in cross-sectione0
- Value
- ≈20e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the number of cell layers in cross-section for the leaves from both treatments was ≈20”
e1“cabbage plants grown using half the nitrogen fertilizer applied to control plants”
Claim · model-written summary
Half nitrogen cabbage leaf cells appeared smaller than control cells.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- half treatmente0
- Outcome
- cellse0
- Direction
- smallere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cells from the half treatment appeared smaller than those of the control.”
e1“cabbage plants grown using half the nitrogen fertilizer applied to control plants”
Claim · model-written summary
Authors suggest smaller leaf cells explain higher sugar content under reduced nitrogen.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Organ / stage
- smaller cells in the leavese0
- Treatment
- less nitrogen fertilizere0
- Outcome
- higher sugar content in leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the higher sugar content in leaves of cabbage plants grown on media containing less nitrogen fertilizer occurs in response to the smaller cells in the leaves.”
The same questions in other papers
fertilization · quality: sugar starch · Brassica oleracea (wild cabbage)Positive and negative results
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See all 264 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.