Abstract
Cabbage (Brassica oleracea L.) was grown in drainage lysimeters under controlled soil water regimes during 3 years. Three irrigation regimes were imposed on cabbage grown on two soil types during the spring and fall growing seasons. Irrigation regimes consisted of applying water when the soil water tension at 10 cm exceeded 25, 50, or 75 kPa during crop growth. Yields and water use were highest when irrigation was applied at 25 kPa soil water tension. Regression equations are presented to describe the relationships of water use to plant age and to compute the ratios of daily evapotranspiration to pan evaporation (crop factors) for cabbage grown under the three irrigation regimes.
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Claims 3
Claim · model-written summary
Yield was highest with irrigation at 25 kPa soil water tension.
- Taxon
- Cabbage
Brassica oleracea var. capitatae0 - Treatment
- irrigation was applied at 25 kPa soil water tensione1
- Outcome
- Yieldse1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cabbage (Brassica oleracea L.)”
e1“Yields and water use were highest when irrigation was applied at 25 kPa soil water tension”
Claim · model-written summary
Water use was highest with irrigation at 25 kPa soil water tension.
- Taxon
- CabbageBrassica oleracea var. capitatae0
- Treatment
- irrigation was applied at 25 kPa soil water tensione1
- Outcome
- water usee1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cabbage (Brassica oleracea L.)”
e1“Yields and water use were highest when irrigation was applied at 25 kPa soil water tension”
Claim · model-written summary
Regression equations describe water use by plant age and crop factors under three irrigation regimes.
- Taxon
- cabbageBrassica oleracea var. capitatae0
- Outcome
- relationships of water use to plant agee0
- Qualifier
- crop factorse0
- Comparator
- three irrigation regimese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regression equations are presented to describe the relationships of water use to plant age and to compute the ratios of daily evapotranspiration to pan evaporation (crop factors) for cabbage grown under the three irrigation regimes”
The same questions in other papers
soil water · yield · Brassica oleracea (wild cabbage)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
irrigation · yield · Brassica oleracea (wild cabbage)Positive and negative results
46 papers in the same direction as this paper · 16 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- no effect
60 papers more in this group
See all 64 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.