Abstract
Shallot production in Indonesia is based on crops grown from seed bulbs. The introduction of True Seed Shallot (TSS) could be an option to improve competiveness of Indonesian shallot production. In the period 2007 till 2010 a research project was conducted to improve growing techniques of TSS. Seed emergence in the nursery was improved if the seed was sown in furrows 0.5-1.5 cm deep and by closing the furrow after sowing with soil instead of burned rice husks. Compared to traditional seed bulb crops productivity of TSS was much higher, up to twice as high in some experiments, while the growing period of TSS was two to three weeks longer. A recently developed cultivar, ‘Sanren’, which is an improvement in productivity, earliness, quality for the local market and which can be grown at a lower plant density than the older cultivar ‘Tuktuk’, has increased feasibility of TSS in Indonesia. Optimal plant density of ‘Tuktuk’ was 175 plants per m2; optimal plant density of ‘Sanren’ was about 75-100 plants per m2, depending on the costs of seedlings. Optimal nitrogen fertilization of ‘Tuktuk’ was 180 kg N/ha; optimal nitrogen fertilization of ‘Sanren’ was 240 kg N/ha. However, additional research is needed to investigate the effect of nitrogen on quality of the harvested bulbs.
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Claims 11
Claim · model-written summary
Sowing shallot seed in 0.5-1.5 cm furrows improved nursery emergence.
- Taxon
- Shallot
Allium cepa var. aggregatumt0 - Treatment
- seed was sown in furrows 0.5-1.5 cm deepe0
- Outcome
- Seed emergencee0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed emergence in the nursery was improved if the seed was sown in furrows 0.5-1.5 cm deep and by closing the furrow after sowing with soil instead of burned rice husks.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Closing shallot seed furrows with soil rather than burned rice husks improved emergence.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Treatment
- closing the furrow after sowing with soile0
- Outcome
- Seed emergencee0
- Direction
- improvede0
- Comparator
- burned rice huskse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed emergence in the nursery was improved if the seed was sown in furrows 0.5-1.5 cm deep and by closing the furrow after sowing with soil instead of burned rice husks.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
TSS productivity reached up to twice that of traditional seed bulb crops.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- TSSe0
- Outcome
- productivity of TSSe0
- Direction
- much highere0
- Value
- up to twice as highe0
- Comparator
- traditional seed bulb cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to traditional seed bulb crops productivity of TSS was much higher, up to twice as high in some experiments, while the growing period of TSS was two to three weeks longer.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
TSS growing periods were two to three weeks longer than seed bulb crops.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- TSSe0
- Outcome
- growing period of TSSe0
- Direction
- longere0
- Value
- two to three weekse0
- Comparator
- traditional seed bulb cropse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared to traditional seed bulb crops productivity of TSS was much higher, up to twice as high in some experiments, while the growing period of TSS was two to three weeks longer.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Sanren improved productivity, earliness and local market quality relative to Tuktuk.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Sanren’e0
- Outcome
- productivity, earliness, quality for the local markete0
- Direction
- improvemente0
- Comparator
- ‘Tuktuk’e0
- Setting
- Indonesiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A recently developed cultivar, ‘Sanren’, which is an improvement in productivity, earliness, quality for the local market and which can be grown at a lower plant density than the older cultivar ‘Tuktuk’, has increased feasibility of TSS in Indonesia.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Sanren can be grown at lower density than Tuktuk.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Sanren’e0
- Outcome
- plant densitye0
- Direction
- lowere0
- Comparator
- ‘Tuktuk’e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A recently developed cultivar, ‘Sanren’, which is an improvement in productivity, earliness, quality for the local market and which can be grown at a lower plant density than the older cultivar ‘Tuktuk’, has increased feasibility of TSS in Indonesia.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Sanren increased feasibility of TSS in Indonesia.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Sanren’e0
- Outcome
- feasibility of TSSe0
- Direction
- increasede0
- Setting
- Indonesiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A recently developed cultivar, ‘Sanren’, which is an improvement in productivity, earliness, quality for the local market and which can be grown at a lower plant density than the older cultivar ‘Tuktuk’, has increased feasibility of TSS in Indonesia.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Optimal density for Tuktuk was 175 plants per m2.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Tuktuk’e0
- Outcome
- Optimal plant densitye0
- Value
- 175 plants per m2e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Optimal plant density of ‘Tuktuk’ was 175 plants per m2; optimal plant density of ‘Sanren’ was about 75-100 plants per m2, depending on the costs of seedlings.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Optimal density for Sanren was about 75-100 plants per m2, dependent on seedling cost.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Sanren’e0
- Outcome
- optimal plant densitye0
- Value
- about 75-100 plants per m2e0
- Qualifier
- depending on the costs of seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“optimal plant density of ‘Sanren’ was about 75-100 plants per m2, depending on the costs of seedlings.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Optimal nitrogen fertilization for Tuktuk was 180 kg N/ha.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Tuktuk’e0
- Outcome
- Optimal nitrogen fertilizatione0
- Value
- 180 kg N/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Optimal nitrogen fertilization of ‘Tuktuk’ was 180 kg N/ha; optimal nitrogen fertilization of ‘Sanren’ was 240 kg N/ha.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
Claim · model-written summary
Optimal nitrogen fertilization for Sanren was 240 kg N/ha.
- Taxon
- ShallotAllium cepa var. aggregatumt0
- Material
- ‘Sanren’e0
- Outcome
- optimal nitrogen fertilizatione0
- Value
- 240 kg N/hae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“optimal nitrogen fertilization of ‘Sanren’ was 240 kg N/ha.”
t0“PRODUCTION OF TRUE SEED SHALLOTS IN INDONESIA”
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