Abstract
The Sanriku coastal region of Tohoku, Japan, is characterized by large interannual weather fluctuations, which is an important consideration when scheduling crop cultivation. Therefore, we developed a temperature summation model to predict harvesting time for mini cauliflower (Brassica oleracea var. botrytis). The model parameters were determined from the data obtained during field experiments, and the model was designed using 30-year air temperature records from the AMEDAS observatories. The results indicated that interannual variation at the time of harvest was less when the cauliflower seedlings were transplanted from mid-April through August, but it increased when seedlings were transplanted after September, with the time of harvest often being delayed to mid-winter or later, resulting in severe cold damage to the crop. Based on these results, we concluded that outdoor-cultivated mini cauliflower seedlings should be transplanted before early September in the northern coast and mid-September in the southern coast to ensure harvesting before winter. The effects of greenhouse cover were also evaluated, assuming that the air temperature inside the greenhouse was 2°C-4°C higher than that of outdoors, which showed that greenhouse cultivation decreased the variation in the time of harvest, allowing the time of transplanting to be extended by 2-3 weeks.
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Claims 6
Claim · model-written summary
Interannual variation in harvest time of mini cauliflower was less when seedlings were transplanted from mid-April through August.
- Taxon
- cauliflower
Brassica oleracea var. botrytist0 - Treatment
- transplanted from mid-April through Auguste1
- Outcome
- interannual variation at the time of harveste1
- Direction
- lesse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“interannual variation at the time of harvest was less when the cauliflower seedlings were transplanted from mid-April through August, but it increased when seedlings were transplanted after September”
Claim · model-written summary
Interannual variation in harvest time of mini cauliflower increased when seedlings were transplanted after September.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- transplanted after Septembere1
- Outcome
- interannual variation at the time of harveste1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“interannual variation at the time of harvest was less when the cauliflower seedlings were transplanted from mid-April through August, but it increased when seedlings were transplanted after September”
Claim · model-written summary
Outdoor-cultivated mini cauliflower seedlings should be transplanted before early September in the northern coast to ensure harvest before winter.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- transplanted before early Septembere1
- Outcome
- harvesting before wintere1
- Setting
- northern coaste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“outdoor-cultivated mini cauliflower seedlings should be transplanted before early September in the northern coast and mid-September in the southern coast to ensure harvesting before winter”
Claim · model-written summary
Outdoor-cultivated mini cauliflower seedlings should be transplanted in mid-September in the southern coast to ensure harvest before winter.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- mid-Septembere1
- Outcome
- harvesting before wintere1
- Setting
- southern coaste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“outdoor-cultivated mini cauliflower seedlings should be transplanted before early September in the northern coast and mid-September in the southern coast to ensure harvesting before winter”
Claim · model-written summary
Greenhouse cultivation decreased the variation in harvest time of mini cauliflower compared with outdoors.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- greenhouse cultivatione1
- Outcome
- variation in the time of harveste1
- Direction
- decreasede1
- Qualifier
- 2°C-4°C highere2
- Comparator
- outdoorse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“greenhouse cultivation decreased the variation in the time of harvest, allowing the time of transplanting to be extended by 2-3 weeks”
e2“the air temperature inside the greenhouse was 2°C-4°C higher than that of outdoors”
Claim · model-written summary
Greenhouse cultivation allowed the time of transplanting of mini cauliflower to be extended by 2-3 weeks compared with outdoors.
- Taxon
- cauliflowerBrassica oleracea var. botrytist0
- Treatment
- greenhouse cultivatione1
- Outcome
- time of transplantinge1
- Direction
- extendede1
- Value
- 2-3 weekse1
- Qualifier
- 2°C-4°C highere2
- Comparator
- outdoorse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“harvest time of mini cauliflower”
e1“greenhouse cultivation decreased the variation in the time of harvest, allowing the time of transplanting to be extended by 2-3 weeks”
e2“the air temperature inside the greenhouse was 2°C-4°C higher than that of outdoors”
The same questions in other papers
cultivation system · yield · Brassica oleracea (wild cabbage)Positive and negative results
7 papers in the same direction as this paper · 6 in the opposite direction
- no effect
- no effect
- negative
10 papers more in this group
See all 14 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.