Abstract
SummaryNitrogen (N) and potassium (K) fertilization were studied in apricot trees. Increasing N enhanced vegetative growth, yield and average fruit weight, but reduced fruit colouring. More effect was seen by increasing N from 0 to 25 kg ha-1 than by increasing from 25 to 150 kg ha-1. K fertilization did not affect vegetative growth or yield but tended to stimulate fruit colouring and enhance soluble solids concentration of fruits. N and K interacted to affect vegetative growth and pitburn. Pitburn increased significantly as N was increased from 25 to 150 kg ha-1. Concurrently, fruit N content increased and Ca content decreased suggesting that these nutrient concentrations are related to pitburn incidence. Of the levels of N studied, 25 kg ha-1 was the most commercially suitable, since yields were only slightly less than at 150 kg ha-1 but pitburn was significantly lower.
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Claims 14
Claim · model-written summary
Increasing N enhanced vegetative growth, yield and average fruit weight in apricot trees.
- Taxon
- apricot
Prunus armeniacat0 - Treatment
- Increasing Ne1
- Outcome
- vegetative growth, yield and average fruit weighte1
- Direction
- enhancede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Increasing N enhanced vegetative growth, yield and average fruit weight”
t0“apricot”
Claim · model-written summary
Increasing N reduced fruit colouring in apricot.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- Increasing Ne1
- Outcome
- fruit colouringe1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Increasing N enhanced vegetative growth, yield and average fruit weight, but reduced fruit colouring”
t0“apricot”
Claim · model-written summary
In apricot, increasing N from 0 to 25 kg ha-1 had a larger effect than increasing it from 25 to 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- increasing N from 0 to 25 kg ha-1e1
- Outcome
- More effecte1
- Direction
- More effecte1
- Comparator
- increasing from 25 to 150 kg ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“More effect was seen by increasing N from 0 to 25 kg ha-1 than by increasing from 25 to 150 kg ha-1”
t0“apricot”
Claim · model-written summary
K fertilization did not affect vegetative growth or yield of apricot.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- K fertilizatione1
- Outcome
- vegetative growth or yielde1
- Direction
- did not affecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“K fertilization did not affect vegetative growth or yield”
t0“apricot”
Claim · model-written summary
K fertilization tended to stimulate fruit colouring in apricot.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- K fertilizatione1
- Outcome
- fruit colouringe1
- Direction
- tended to stimulatee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“K fertilization did not affect vegetative growth or yield but tended to stimulate fruit colouring and enhance soluble solids concentration of fruits”
t0“apricot”
Claim · model-written summary
K fertilization enhanced soluble solids concentration of apricot fruits.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- K fertilizatione1
- Outcome
- soluble solids concentration of fruitse1
- Direction
- enhancee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“K fertilization did not affect vegetative growth or yield but tended to stimulate fruit colouring and enhance soluble solids concentration of fruits”
t0“apricot”
Claim · model-written summary
N and K interacted to affect vegetative growth and pitburn in apricot.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- N and Ke1
- Outcome
- vegetative growth and pitburne1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“N and K interacted to affect vegetative growth and pitburn”
t0“apricot”
Claim · model-written summary
Pitburn in apricot increased significantly as N was increased from 25 to 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- N was increased from 25 to 150 kg ha-1e1
- Outcome
- Pitburne1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Pitburn increased significantly as N was increased from 25 to 150 kg ha-1”
t0“apricot”
Claim · model-written summary
Fruit N content of apricot increased as N was increased from 25 to 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- N was increased from 25 to 150 kg ha-1e1
- Outcome
- fruit N contente2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Pitburn increased significantly as N was increased from 25 to 150 kg ha-1”
e2“fruit N content increased and Ca content decreased”
t0“apricot”
Claim · model-written summary
Fruit Ca content of apricot decreased as N was increased from 25 to 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- N was increased from 25 to 150 kg ha-1e1
- Outcome
- Ca contente2
- Direction
- decreasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Pitburn increased significantly as N was increased from 25 to 150 kg ha-1”
e2“fruit N content increased and Ca content decreased”
t0“apricot”
Claim · model-written summary
The authors suggest that fruit nutrient concentrations (N and Ca) are related to pitburn incidence in apricot.
- Taxon
- apricotPrunus armeniacat0
- Compound
- nutrient concentrationse1
- Outcome
- pitburn incidencee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“suggesting that these nutrient concentrations are related to pitburn incidence”
t0“apricot”
Claim · model-written summary
Of the N levels studied, 25 kg ha-1 was the most commercially suitable for apricot.
- Taxon
- apricotPrunus armeniacat0
- Outcome
- 25 kg ha-1 was the most commercially suitablee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Of the levels of N studied, 25 kg ha-1 was the most commercially suitable”
t0“apricot”
Claim · model-written summary
At 25 kg ha-1 N, apricot yields were only slightly less than at 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- 25 kg ha-1e1
- Outcome
- yieldse1
- Direction
- slightly lesse1
- Comparator
- 150 kg ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“25 kg ha-1 was the most commercially suitable, since yields were only slightly less than at 150 kg ha-1 but pitburn was significantly lower”
t0“apricot”
Claim · model-written summary
At 25 kg ha-1 N, apricot pitburn was significantly lower than at 150 kg ha-1.
- Taxon
- apricotPrunus armeniacat0
- Treatment
- 25 kg ha-1e1
- Outcome
- pitburne1
- Direction
- significantly lowere1
- Comparator
- 150 kg ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“25 kg ha-1 was the most commercially suitable, since yields were only slightly less than at 150 kg ha-1 but pitburn was significantly lower”
t0“apricot”
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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.