Abstract
'Fairhaven' peach ( Prunus persicaL. Batsch) trees were subjected to combinations of two rates of nitrogen, single or split application of N, year round or partial annual control of vegetation within the tree row. Yield, leaf nutrient concentration and fruit quality were assessed over six growing seasons. Yield was increased by the higher rate of N in 3 of the 6 years. Vegetation control had little effect on yield. Single applications of N were better for yield than split applications in 2 of 4 years but the reverse was observed in one year. Leaf N tended to increase with higher rates of N application and with split applications of N. Higher rates of N reduced macronutrient concentration, especially leaf P, and tended to increase micronutrient concentration in the leaves. Ground color was greener but fruit firmness was not affected by the higher rates of N application.
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Claims 10
Claim · model-written summary
Higher nitrogen increased yield in three of six years.
- Taxon
- Prunus persicaL. Batsch
Prunus persicae1 - Treatment
- higher rate of Ne0
- Outcome
- Yielde0
- Direction
- increasede0
- Value
- 3 of the 6 yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield was increased by the higher rate of N in 3 of the 6 years”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Vegetation control had little effect on yield.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- Vegetation controle0
- Outcome
- yielde0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Vegetation control had little effect on yield”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Single nitrogen application improved yield over split application in two years.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- Single applications of Ne0
- Outcome
- yielde0
- Direction
- bettere0
- Value
- 2 of 4 yearse0
- Comparator
- split applicationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single applications of N were better for yield than split applications in 2 of 4 years”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Split nitrogen application improved yield in one year.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- split applicationse0
- Outcome
- yielde0
- Direction
- reversee0
- Value
- one yeare0
- Comparator
- Single applications of Ne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single applications of N were better for yield than split applications in 2 of 4 years but the reverse was observed in one year”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Higher nitrogen tended to increase leaf nitrogen.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- higher rates of N applicatione0
- Outcome
- Leaf Ne0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf N tended to increase with higher rates of N application”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Split nitrogen application tended to increase leaf nitrogen.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- split applications of Ne0
- Outcome
- Leaf Ne0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf N tended to increase with higher rates of N application and with split applications of N”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Higher nitrogen reduced leaf macronutrients, especially phosphorus.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- Higher rates of Ne0
- Outcome
- macronutrient concentration, especially leaf Pe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher rates of N reduced macronutrient concentration, especially leaf P”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Higher nitrogen tended to increase leaf micronutrients.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- Higher rates of Ne0
- Outcome
- micronutrient concentration in the leavese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher rates of N reduced macronutrient concentration, especially leaf P, and tended to increase micronutrient concentration in the leaves”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Higher nitrogen made fruit ground color greener.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- higher rates of N applicatione0
- Outcome
- Ground colore0
- Direction
- greenere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ground color was greener but fruit firmness was not affected by the higher rates of N application”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
Claim · model-written summary
Higher nitrogen did not affect fruit firmness.
- Taxon
- Prunus persicaL. BatschPrunus persicae1
- Treatment
- higher rates of N applicatione0
- Outcome
- fruit firmnesse0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit firmness was not affected by the higher rates of N application”
e1“'Fairhaven' peach ( Prunus persicaL. Batsch) trees”
The same questions in other papers
nitrogen · quality: postharvest · Prunus persica (peach)Positive and negative results
2 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 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.