Abstract
Australian mango orchards, particularly of the 'Kensington Pride' cultivar, are often characterized by low yields and irregular bearing. Improved nutrition management techniques which increase total soil carbon sequestration and reduce nitrogen losses (nitrous oxide) may improve productivity and also reduce greenhouse gas emissions. A factorial trial was established in a 'Kensington Pride' mango orchard at Mareeba, Australia to assess the benefits of applying organic hay mulch to tree rows in combination with three nitrogen fertiliser treatments including two controlled-release fertiliser products. Three years after the initiation of treatments it was found that mango tree growth and fruit productivity was significantly improved when mulching was used to increase soil organic matter. Mulched soils had improved soil water holding capacity, less temperature variability, increased root biomass in the top soil, greater canopy leaf area and higher plant tissue potassium levels. Average fruit weights were increased by 10% and mango fruit yields per tree increased by 11%. Fruit quality was not affected when standard fungicide management treatments were used, although disease levels were higher with no post-harvest fungicide treatment. The nitrogen fertiliser products investigated did not have a significant influence on mango growth or final productivity. Trial results suggest that the adoption of mulching practices in mango orchards is a management practice which can increase orchard productivity and the sequestration of soil organic carbon, without detrimental effects on fruit quality.
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Claims 10
Claim · model-written summary
Mulching significantly improved mango growth and fruit productivity.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicae0 - Treatment
- mulchinge0
- Outcome
- mango tree growth and fruit productivitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“mango tree growth and fruit productivity was significantly improved when mulching was used to increase soil organic matter”
Claim · model-written summary
Mulched soils had improved water holding capacity.
- Taxon
- mangoMangifera indicat0
- Treatment
- Mulched soilse0
- Outcome
- soil water holding capacitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulched soils had improved soil water holding capacity”
t0“mango”
Claim · model-written summary
Mulched soils had less temperature variability.
- Taxon
- mangoMangifera indicat0
- Treatment
- Mulched soilse0
- Outcome
- temperature variabilitye0
- Direction
- lesse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulched soils had improved soil water holding capacity, less temperature variability”
t0“mango”
Claim · model-written summary
Mulching increased topsoil root biomass, canopy leaf area and tissue potassium levels.
- Taxon
- mangoMangifera indicat0
- Treatment
- Mulched soilse0
- Outcome
- root biomass in the top soil, greater canopy leaf area and higher plant tissue potassium levelse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mulched soils had improved soil water holding capacity, less temperature variability, increased root biomass in the top soil, greater canopy leaf area and higher plant tissue potassium levels”
t0“mango”
Claim · model-written summary
Mulching increased mean mango fruit weight by 10%.
- Taxon
- mangoMangifera indicat0
- Outcome
- Average fruit weightse0
- Direction
- increasede0
- Value
- 10%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Average fruit weights were increased by 10%”
t0“mango”
Claim · model-written summary
Mulching increased mango fruit yield per tree by 11%.
- Taxon
- mangoMangifera indicae0
- Outcome
- mango fruit yields per treee0
- Direction
- increasede0
- Value
- 11%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mango fruit yields per tree increased by 11%”
Claim · model-written summary
Fruit quality was unaffected with standard fungicide management.
- Taxon
- mangoMangifera indicat0
- Treatment
- standard fungicide management treatmentse0
- Outcome
- Fruit qualitye0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit quality was not affected when standard fungicide management treatments were used”
t0“mango”
Claim · model-written summary
Disease levels were higher without postharvest fungicide treatment.
- Taxon
- mangoMangifera indicat0
- Treatment
- no post-harvest fungicide treatmente0
- Outcome
- disease levelse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“disease levels were higher with no post-harvest fungicide treatment”
t0“mango”
Claim · model-written summary
Nitrogen fertilizer products had no significant effect on mango growth or final productivity.
- Taxon
- mangoMangifera indicae0
- Treatment
- nitrogen fertiliser productse0
- Outcome
- mango growth or final productivitye0
- Direction
- did not have a significant influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nitrogen fertiliser products investigated did not have a significant influence on mango growth or final productivity.”
Claim · model-written summary
Authors recommend orchard mulching for higher productivity and soil organic carbon sequestration without harming fruit quality.
- Taxon
- mangoMangifera indicae0
- Treatment
- mulching practicese0
- Outcome
- increase orchard productivity and the sequestration of soil organic carbon, without detrimental effects on fruit qualitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“adoption of mulching practices in mango orchards is a management practice which can increase orchard productivity and the sequestration of soil organic carbon, without detrimental effects on fruit quality”
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