Abstract
This research was conducted on mature pomegranate ( Punica granatum L. “Wonderful”) trees growing at a site located in North Coast, Matrouh Governorate, Egypt. The aim was to investigate the impacts of different irrigation regimes in combination with different fertilizer regimes on the fruit set, fruit retention, yield, and nutritional status of the trees. The experimental factors were arranged in a split-plot design, with four replicates per treatment combination. The results indicated that all of the characteristics measured, including leaves nutritional status, percentages of fruit set, fruit drop, fruit retention, fruit cracking, fruit sunburn, and marketable fruit, and yield were significantly affected by the interaction between the irrigation treatment which denoted by percentages of reference evapotranspiration (ETo) and fertilizer regime. The application of 75% mineral fertilizer + 25% organic manure under deficit irrigation of 80% ETo increased the yield by an average of 18.23% over the 2 years compared with 100% mineral fertilization under full irrigation, while 50% mineral fertilizer + 50% organic matter under 80% ETo gave the maximum percentage of marketable fruit (86.23% and 86.84% in 2018 and 2019, respectively). The maximum water use efficiency was obtained with the 80% ETo treatment combined with 75% mineral fertilizer + 25% organic manure in both seasons with values of 9.69 and 10.06 kg/m 3 applied water, respectively. These results demonstrate that under the field conditions at the experimental site, the fruit set and retention could be improved by applying a reduced amount of mineral fertilizer in combination with organic manure and less irrigation water.
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Claims 7
Claim · model-written summary
The irrigation by fertilizer interaction significantly affected leaf nutritional status, fruit set and fruit drop of pomegranate.
- Taxon
- pomegranate
Punica granatume2 - Treatment
- irrigation treatmente1
- Outcome
- leaves nutritional status, percentages of fruit set, fruit drope1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“including leaves nutritional status, percentages of fruit set, fruit drop, fruit retention, fruit cracking, fruit sunburn, and marketable fruit, and yield were significantly affected by the interaction between the irrigation treatment which denoted by percentages of reference evapotranspiration (ETo) and fertilizer regime”
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
Claim · model-written summary
The irrigation by fertilizer interaction significantly affected fruit retention, fruit cracking and fruit sunburn of pomegranate.
- Taxon
- pomegranatePunica granatume2
- Treatment
- irrigation treatmente1
- Outcome
- fruit retention, fruit cracking, fruit sunburne1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“including leaves nutritional status, percentages of fruit set, fruit drop, fruit retention, fruit cracking, fruit sunburn, and marketable fruit, and yield were significantly affected by the interaction between the irrigation treatment which denoted by percentages of reference evapotranspiration (ETo) and fertilizer regime”
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
Claim · model-written summary
The irrigation by fertilizer interaction significantly affected marketable fruit and yield of pomegranate.
- Taxon
- pomegranatePunica granatume2
- Treatment
- irrigation treatmente1
- Outcome
- marketable fruit, and yielde1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“including leaves nutritional status, percentages of fruit set, fruit drop, fruit retention, fruit cracking, fruit sunburn, and marketable fruit, and yield were significantly affected by the interaction between the irrigation treatment which denoted by percentages of reference evapotranspiration (ETo) and fertilizer regime”
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
Claim · model-written summary
Applying 75% mineral fertilizer with 25% organic manure under 80% ETo increased pomegranate yield by an average of 18.23% over two years compared with 100% mineral fertilization under full irrigation.
- Taxon
- pomegranatePunica granatume2
- Treatment
- 75% mineral fertilizer + 25% organic manure under deficit irrigation of 80% EToe3
- Outcome
- yielde3
- Direction
- increasede3
- Value
- 18.23%e3
- Qualifier
- over the 2 yearse3
- Comparator
- 100% mineral fertilization under full irrigatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
e3“The application of 75% mineral fertilizer + 25% organic manure under deficit irrigation of 80% ETo increased the yield by an average of 18.23% over the 2 years compared with 100% mineral fertilization under full irrigation”
Claim · model-written summary
50% mineral fertilizer with 50% organic matter under 80% ETo gave the maximum percentage of marketable pomegranate fruit, 86.23% and 86.84% in 2018 and 2019.
- Taxon
- pomegranatePunica granatume2
- Treatment
- 50% mineral fertilizer + 50% organic matter under 80% EToe4
- Outcome
- percentage of marketable fruite4
- Direction
- maximume4
- Value
- 86.23% and 86.84%e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
e4“50% mineral fertilizer + 50% organic matter under 80% ETo gave the maximum percentage of marketable fruit (86.23% and 86.84% in 2018 and 2019, respectively)”
Claim · model-written summary
The 80% ETo treatment combined with 75% mineral fertilizer and 25% organic manure gave the maximum water use efficiency of pomegranate in both seasons, 9.69 and 10.06 kg/m3 applied water.
- Taxon
- pomegranatePunica granatume2
- Treatment
- 80% ETo treatment combined with 75% mineral fertilizer + 25% organic manuree5
- Outcome
- water use efficiencye5
- Direction
- maximume5
- Value
- 9.69 and 10.06 kg/m 3e5
- Qualifier
- in both seasonse5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
e5“The maximum water use efficiency was obtained with the 80% ETo treatment combined with 75% mineral fertilizer + 25% organic manure in both seasons with values of 9.69 and 10.06 kg/m 3 applied water”
Claim · model-written summary
Applying a reduced amount of mineral fertilizer with organic manure and less irrigation water could improve pomegranate fruit set and retention.
- Taxon
- pomegranatePunica granatume2
- Treatment
- applying a reduced amount of mineral fertilizer in combination with organic manure and less irrigation watere6
- Outcome
- fruit set and retentione6
- Direction
- improvede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“mature pomegranate ( Punica granatum L. “Wonderful”) trees”
e6“the fruit set and retention could be improved by applying a reduced amount of mineral fertilizer in combination with organic manure and less irrigation water”
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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.