Abstract
SummaryThe emergence of carrot seedlings from dry-sown seeds, fluid-drilled germinating seeds (38% germinated) and fluid-drilled seeds selected for uniform germination was compared from eight sowings spread over one season. On irrigated plots fluid drilling germinating seeds consistently increased the percentage emergence and reduced the mean emergence times of seedlings, compared to drysown seeds. Seedling emergence was further improved at all sowings and made more predictable by fluid drilling selected 100% germinated seeds. However, under conditions of low soil moisture on unirrigated plots there was no difference in the percentage emergence between treatments although selected-germinated seeds still emerged earlier than the dry-seeded control. A major source of variation in crop response to fluid drilling was shown to be the low proportion of seeds normally germinated at the time of sowing in a variably-germinating batch of seeds. Sowing 100% germinated seeds made emergence more predictable over a. wide range of environmental conditions following sowing.
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Claims 8
Claim · model-written summary
On irrigated plots, fluid drilling germinating seeds increased percentage emergence versus dry-sown seeds.
- Taxon
- carrot
Daucus carotat0 - Treatment
- fluid drilling germinating seedse0
- Outcome
- percentage emergencee0
- Direction
- increasede0
- Comparator
- drysown seedse0
- Setting
- irrigated plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“On irrigated plots fluid drilling germinating seeds consistently increased the percentage emergence and reduced the mean emergence times of seedlings, compared to drysown seeds.”
Claim · model-written summary
On irrigated plots, fluid drilling germinating seeds reduced mean emergence time.
- Taxon
- carrotDaucus carotat0
- Treatment
- fluid drilling germinating seedse0
- Outcome
- mean emergence timese0
- Direction
- reducede0
- Comparator
- drysown seedse0
- Setting
- irrigated plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“On irrigated plots fluid drilling germinating seeds consistently increased the percentage emergence and reduced the mean emergence times of seedlings, compared to drysown seeds.”
Claim · model-written summary
Fluid drilling selected fully germinated seeds further improved emergence at all sowings.
- Taxon
- carrotDaucus carotat0
- Treatment
- fluid drilling selected 100% germinated seedse0
- Outcome
- Seedling emergencee0
- Direction
- improvede0
- Qualifier
- at all sowingse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“Seedling emergence was further improved at all sowings and made more predictable by fluid drilling selected 100% germinated seeds.”
Claim · model-written summary
Fluid drilling selected fully germinated seeds made emergence more predictable at all sowings.
- Taxon
- carrotDaucus carotat0
- Treatment
- fluid drilling selected 100% germinated seedse0
- Outcome
- Seedling emergencee0
- Direction
- more predictablee0
- Qualifier
- at all sowingse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“Seedling emergence was further improved at all sowings and made more predictable by fluid drilling selected 100% germinated seeds.”
Claim · model-written summary
Under low soil moisture, treatments did not differ in percentage emergence.
- Taxon
- carrotDaucus carotat0
- Treatment
- treatmentse0
- Outcome
- percentage emergencee0
- Direction
- no differencee0
- Qualifier
- low soil moisturee0
- Setting
- unirrigated plotse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“under conditions of low soil moisture on unirrigated plots there was no difference in the percentage emergence between treatments”
Claim · model-written summary
Selected germinated seeds still emerged earlier than dry-seeded controls under low soil moisture.
- Taxon
- carrotDaucus carotat0
- Treatment
- selected-germinated seedse0
- Outcome
- emergede0
- Direction
- earliere0
- Comparator
- dry-seeded controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“selected-germinated seeds still emerged earlier than the dry-seeded control.”
Claim · model-written summary
Low germination at sowing in variably germinating seed batches was a major source of response variation.
- Taxon
- carrotDaucus carotat0
- Outcome
- variation in crop response to fluid drillinge0
- Qualifier
- low proportion of seeds normally germinated at the time of sowinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“A major source of variation in crop response to fluid drilling was shown to be the low proportion of seeds normally germinated at the time of sowing in a variably-germinating batch of seeds.”
Claim · model-written summary
Sowing fully germinated seeds made emergence more predictable across environmental conditions.
- Taxon
- carrotDaucus carotat0
- Treatment
- Sowing 100% germinated seedse0
- Outcome
- emergencee0
- Direction
- more predictablee0
- Qualifier
- wide range of environmental conditions following sowinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“carrot”
e0“Sowing 100% germinated seeds made emergence more predictable over a. wide range of environmental conditions following sowing.”
The same questions in other papers
stage · growth · Daucus carota (carrot)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- positive
- positive
- negative
2 papers more in this group
See all 6 papers →transplanting · growth · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- positive
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.