Abstract
Abstract Creeping bentgrass (Agrostis palustris Huds.) is used on golf course putting greens in Japan, however, this turfgrass goes dormant and loses color in the winter. Two levels (0.8 and 9.6 gm2) of nitrogen (N) and two mowing heights (5 and 12 mm) were used to determine their effects on turf quality (color, uniformity, and density) and chemical composition of 12 cultivars of creeping bentgrass during the winter. High N rate or mowing height increased color of the plants significantly during the experiment, but high N rate was more effective than high mowing height. High N rate increased the levels of N, potassium (K), boron (B), phosphorus (P), sulfur (S), and magnesium (Mg), but reduced the levels of calcium (Ca), zinc (Zn), manganese (Mn), molybdenum (Mo), and copper (Cu) in the plant tissues. High mowing height resulted in an increase in K content, but reduction in N, P, S, Ca, and Mo levels, though the levels of other nutrients were not affected. The level of N of plants under low N rate was below the sufficiency range, whereas levels of other nutrients including N were generally within the sufficiency range under other treatments. The results showed that desirable color could be provided under high N application rate with no apparent winter injury or nutrient deficiencies in transitional zones. The quality of the turf may be further improved under high mowing height management.
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Claims 15
Claim · model-written summary
High N rate increased creeping bentgrass color significantly during the experiment.
- Taxon
- Creeping bentgrass
Agrostis stoloniferae0 - Treatment
- High N ratee1
- Outcome
- colore1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“High N rate or mowing height increased color of the plants significantly during the experiment”
Claim · model-written summary
High mowing height increased creeping bentgrass color significantly during the experiment.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- mowing heighte1
- Outcome
- colore1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“High N rate or mowing height increased color of the plants significantly during the experiment”
Claim · model-written summary
High N rate was more effective than high mowing height in increasing creeping bentgrass color.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- high N ratee3
- Outcome
- colore3
- Direction
- more effectivee3
- Comparator
- high mowing heighte3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e3“High N rate or mowing height increased color of the plants significantly during the experiment, but high N rate was more effective than high mowing height”
Claim · model-written summary
High N rate increased plant tissue N, K and B levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High N ratee4
- Outcome
- levels of N, potassium (K), boron (B)e4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e4“High N rate increased the levels of N, potassium (K), boron (B)”
Claim · model-written summary
High N rate increased plant tissue P, S and Mg levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High N ratee5
- Outcome
- phosphorus (P), sulfur (S), and magnesium (Mg)e5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e5“High N rate increased the levels of N, potassium (K), boron (B), phosphorus (P), sulfur (S), and magnesium (Mg)”
Claim · model-written summary
High N rate reduced plant tissue Ca, Zn and Mn levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Organ / stage
- plant tissuese6
- Treatment
- High N ratee6
- Outcome
- levels of calcium (Ca), zinc (Zn), manganese (Mn)e6
- Direction
- reducede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e6“High N rate increased the levels of N, potassium (K), boron (B), phosphorus (P), sulfur (S), and magnesium (Mg), but reduced the levels of calcium (Ca), zinc (Zn), manganese (Mn), molybdenum (Mo), and copper (Cu) in the plant tissues”
Claim · model-written summary
High N rate reduced plant tissue Mo and Cu levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Organ / stage
- plant tissuese6
- Treatment
- High N ratee6
- Outcome
- molybdenum (Mo), and copper (Cu)e6
- Direction
- reducede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e6“High N rate increased the levels of N, potassium (K), boron (B), phosphorus (P), sulfur (S), and magnesium (Mg), but reduced the levels of calcium (Ca), zinc (Zn), manganese (Mn), molybdenum (Mo), and copper (Cu) in the plant tissues”
Claim · model-written summary
High mowing height increased plant tissue K content in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High mowing heighte7
- Outcome
- K contente7
- Direction
- increasee7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e7“High mowing height resulted in an increase in K content”
Claim · model-written summary
High mowing height reduced plant tissue N, P and S levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High mowing heighte1
- Outcome
- N, P, Se1
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“High mowing height resulted in an increase in K content, but reduction in N, P, S, Ca, and Mo levels, though the levels of other nutrients were not affected”
Claim · model-written summary
High mowing height reduced plant tissue Ca and Mo levels in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High mowing heighte1
- Outcome
- Ca, and Mo levelse1
- Direction
- reductione1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“High mowing height resulted in an increase in K content, but reduction in N, P, S, Ca, and Mo levels, though the levels of other nutrients were not affected”
Claim · model-written summary
High mowing height did not affect the levels of other nutrients in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- High mowing heighte1
- Outcome
- levels of other nutrientse1
- Direction
- not affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“High mowing height resulted in an increase in K content, but reduction in N, P, S, Ca, and Mo levels, though the levels of other nutrients were not affected”
Claim · model-written summary
Under low N rate, creeping bentgrass N level was below the sufficiency range.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- low N ratee1
- Outcome
- level of Ne1
- Direction
- belowe1
- Comparator
- sufficiency rangee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“The level of N of plants under low N rate was below the sufficiency range”
Claim · model-written summary
Under other treatments, levels of other nutrients including N were generally within the sufficiency range in creeping bentgrass.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Outcome
- levels of other nutrients including Ne1
- Qualifier
- generally within the sufficiency range under other treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“whereas levels of other nutrients including N were generally within the sufficiency range under other treatments”
Claim · model-written summary
Desirable color of creeping bentgrass can be provided under high N application rate without apparent winter injury or nutrient deficiencies in transitional zones.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- high N application ratee1
- Outcome
- desirable colore1
- Qualifier
- no apparent winter injury or nutrient deficienciese1
- Setting
- transitional zonese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“desirable color could be provided under high N application rate with no apparent winter injury or nutrient deficiencies in transitional zones”
Claim · model-written summary
Turf quality of creeping bentgrass may be further improved under high mowing height management.
- Taxon
- Creeping bentgrassAgrostis stoloniferae0
- Treatment
- high mowing height managemente1
- Outcome
- quality of the turfe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Creeping bentgrass (Agrostis palustris Huds.)”
e1“The quality of the turf may be further improved under high mowing height management”
The same questions in other papers
nitrogen · quality: postharvest · Agrostis stolonifera (creeping bent grass)Results agree
1 paper in the same direction as this paper
- positive
pruning · quality: postharvest · Agrostis stolonifera (creeping bent grass)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.