Abstract
To address the problem of uneven moisture conditions of the rootballs of cabbage plug seedlings grown with conventional mist irrigation, we trialed the use of ebb and flow irrigation. We also attempted to improve the quality of the seedlings by adding NaCl to the culture solution. We obtained the following results.1. With the ebb and flow irrigation system, 20% less working time was required than with conventional mist irrigation.2. Ebb and flow irrigation promoted growth uniformity of seedlings and improved growth after transplanting.3. Adding NaCl at a density of 0.3% to the culture solution encouraged greening of leaves and a decrease in the flat rate of plant appearance.4. When NaCl was added early, seedling growth was greatly depressed.5. Addition of NaCl 5 days before transplanting did not decrease yield.6. Plug seedlings exposed to added NaCl acquired drought tolerance, as shown by both improvement of water-use efficiency and the results of electrolyte leakage testing after drought treatment.7. Yield was higher with ebb and flow irrigation than with conventional mist irrigation.Use of an ebb and flow irrigation system reduced labor costs, improved the uniformity of seedlings, and enhanced seedling growth after transplanting. Furthermore, adding NaCl at 0.3% 5 days before transplanting improved the adaptability of seedlings to the automatic transplanter and improved their drought tolerance with-out decreasing cabbage yield.
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Claims 8
Claim · model-written summary
Ebb and flow irrigation required 20% less working time than mist irrigation.
- Taxon
- Cabbage
Brassica oleracea var. capitatat0 - Treatment
- ebb and flow irrigation systeme0
- Outcome
- working timee0
- Direction
- lesse0
- Value
- 20%e0
- Comparator
- conventional mist irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the ebb and flow irrigation system, 20% less working time was required than with conventional mist irrigation.”
t0“Cabbage”
Claim · model-written summary
Ebb and flow irrigation promoted seedling growth uniformity and post-transplant growth.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- Ebb and flow irrigatione0
- Outcome
- growth uniformity of seedlings and improved growth after transplantinge0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ebb and flow irrigation promoted growth uniformity of seedlings and improved growth after transplanting.”
t0“Cabbage”
Claim · model-written summary
Adding 0.3% NaCl encouraged leaf greening and decreased flat plant appearance.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- Adding NaCl at a density of 0.3%e0
- Outcome
- greening of leaves and a decrease in the flat rate of plant appearancee0
- Direction
- encouragede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adding NaCl at a density of 0.3% to the culture solution encouraged greening of leaves and a decrease in the flat rate of plant appearance.”
t0“Cabbage”
Claim · model-written summary
Early NaCl addition greatly depressed seedling growth.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- NaCl was added earlye0
- Outcome
- seedling growthe0
- Direction
- depressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When NaCl was added early, seedling growth was greatly depressed.”
t0“Cabbage”
Claim · model-written summary
NaCl addition five days before transplanting did not decrease yield.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- Addition of NaCl 5 days before transplantinge0
- Outcome
- yielde0
- Direction
- did not decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of NaCl 5 days before transplanting did not decrease yield.”
t0“Cabbage”
Claim · model-written summary
NaCl-exposed plug seedlings acquired drought tolerance, indicated by water-use efficiency and electrolyte leakage testing.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- added NaCle0
- Outcome
- drought tolerancee0
- Direction
- acquirede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plug seedlings exposed to added NaCl acquired drought tolerance, as shown by both improvement of water-use efficiency and the results of electrolyte leakage testing after drought treatment.”
t0“Cabbage”
Claim · model-written summary
Ebb and flow irrigation produced higher yield than mist irrigation.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- ebb and flow irrigatione0
- Outcome
- Yielde0
- Direction
- highere0
- Comparator
- conventional mist irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield was higher with ebb and flow irrigation than with conventional mist irrigation.”
t0“Cabbage”
Claim · model-written summary
Adding 0.3% NaCl five days before transplanting improved adaptation to an automatic transplanter.
- Taxon
- CabbageBrassica oleracea var. capitatat0
- Treatment
- adding NaCl at 0.3% 5 days before transplantinge0
- Outcome
- adaptability of seedlings to the automatic transplantere0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“adding NaCl at 0.3% 5 days before transplanting improved the adaptability of seedlings to the automatic transplanter”
t0“Cabbage”
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