Abstract
Mature trees of Stark Redgold nectarines grown in silt loam soil in the Po Valley were tested at five fertilization regimes and compared to untreated control: N 1 (100 kg N/ha), N 1 (100 kg N/ha, split 60% in spring and 40%. in postharvest), N 2 (200 kg N/ha), N 1 (100 kg N/ha) + K (150 kg K 2 0/ha), N 2 (200 kg N/ha) + K (150 kg K 2 O/ha). The annual distribution in spring was equally split before full bloom and at fruit set. The data collected over the three trial years show no differences as compared to control in yield and fruit size. N 2 delayed ripening and decreased fruit quality. Leaf mineral composition was affected by potassium; maximun N induced leaf accumulation of N-NH 4 The high concentration of K in leaf tissues was correlated to the yellow color of the leaf blade. Total leaf chlorophyll content was measured by an Spad-502 chlorophyll meter (Minolta Corp.) and compared to that measured by conventional technique (Arnon method). The overall findings suggest the amount of N used in peach fertilization can be reduced.
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Claims 8
Claim · model-written summary
Fertilization regimes showed no yield difference from untreated controls over three years.
- Taxon
- NECTARINE
Prunus persica var. nucipersicat0 - Treatment
- fertilizatione1
- Outcome
- yielde0
- Direction
- no differencese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The data collected over the three trial years show no differences as compared to control in yield and fruit size”
e1“five fertilization regimes”
t0“NECTARINE”
Claim · model-written summary
Fertilization regimes showed no fruit-size difference from controls over three years.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Treatment
- fertilizatione1
- Outcome
- fruit sizee0
- Direction
- no differencese0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The data collected over the three trial years show no differences as compared to control in yield and fruit size”
e1“five fertilization regimes”
t0“NECTARINE”
Claim · model-written summary
The high nitrogen rate delayed nectarine ripening.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Treatment
- N 2e0
- Outcome
- ripeninge0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N 2 delayed ripening and decreased fruit quality”
t0“NECTARINE”
Claim · model-written summary
The high nitrogen rate decreased fruit quality.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Treatment
- N 2e0
- Outcome
- fruit qualitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N 2 delayed ripening and decreased fruit quality”
t0“NECTARINE”
Claim · model-written summary
Potassium affected nectarine leaf mineral composition.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Treatment
- potassiume0
- Outcome
- Leaf mineral compositione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf mineral composition was affected by potassium”
t0“NECTARINE”
Claim · model-written summary
Maximum nitrogen induced leaf ammonium accumulation.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Treatment
- maximun Ne0
- Outcome
- leaf accumulation of N-NH 4e0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximun N induced leaf accumulation of N-NH 4”
t0“NECTARINE”
Claim · model-written summary
High leaf potassium concentration correlated with yellow leaf blades.
- Taxon
- NECTARINEPrunus persica var. nucipersicat0
- Compound
- Ke0
- Outcome
- yellow color of the leaf bladee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The high concentration of K in leaf tissues was correlated to the yellow color of the leaf blade”
t0“NECTARINE”
Claim · model-written summary
The authors suggest reducing nitrogen used in peach fertilization.
- Taxon
- peachPrunus persicae0
- Outcome
- amount of N used in peach fertilization can be reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The overall findings suggest the amount of N used in peach fertilization can be reduced”
The same questions in other papers
fertilization · yield · Prunus persica (peach)Results differ
8 papers in the same direction as this paper · 50 in the opposite direction
- positive
- positive
- positive
55 papers more in this group
See all 59 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.