Abstract
Re-vegetation of deteriorated mixed prairie by sod seeding with a lo-till planter minimizes erosion. Critical periods of inter- and intraspecific competition must be identified to design effective methods of sod suppression and seeding rate. Sod seeding studies were conducted in two counties in south central Nebraska over a 3-year period on a silty range site (fine-silty, mixed, mesic, Typic Argiustolls). Sites were dominated by blue grama [Bouteloua gracilis (H.B.K.) Lag. ex Steud.] and buffalograss [Buchloe dactyloides (Nutt.) Engelm.]. Warm-season native grasses were sod seeded with and without chemical sod suppression. Sod seeding required sod suppression for consistent stand establishment. Sod suppression during the 8-week period following seeding maximized grass seedling emergence. Seedling and stand vigor were more vigorous following sod suppression. Seedling development was independent of seeding rate, and a seeding rate of 20 PLS/0.l m2 resulted in an adequate stand. Spring-applied glyphosate [N (phosphonomethyl)-glycine] was effective at 0.8 kg/ ha using a reduced carrier volume (93 l/ha). August application of glyphosate coupled with a spring application of atrazine [6-chloro-N-ethyl-N' -(l-methylethyl)-1,3 ,5-triazine-2,4-diamine] at the time of seeding was also an effective sod suppression treatment.
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Claims 7
Claim · model-written summary
Sod suppression was required for consistent stand establishment.
Not reportedComparatorDirection
Verbatim
e0“Sod seeding required sod suppression for consistent stand establishment”
Claim · model-written summary
Sod suppression during the eight weeks after seeding maximized grass seedling emergence.
- Taxon
- grasse0
- Treatment
- Sod suppression during the 8-week period following seedinge0
- Outcome
- grass seedling emergencee0
- Direction
- maximizede0
Not reportedComparator
Verbatim
e0“Sod suppression during the 8-week period following seeding maximized grass seedling emergence”
Claim · model-written summary
Seedling and stand vigor increased following sod suppression.
Not reportedComparator
Verbatim
e0“Seedling and stand vigor were more vigorous following sod suppression”
t0“GRASS”
Claim · model-written summary
Seedling development was independent of seeding rate.
Verbatim
e0“Seedling development was independent of seeding rate”
t0“GRASS”
Claim · model-written summary
A seeding rate of 20 PLS/0.l m2 produced an adequate stand.
Not reportedComparatorDirection
Verbatim
e0“a seeding rate of 20 PLS/0.l m2 resulted in an adequate stand”
t0“GRASS”
Claim · model-written summary
Spring glyphosate at 0.8 kg/ha using reduced carrier volume effectively suppressed sod.
- Taxon
- GRASSt0
- Treatment
- Spring-applied glyphosate [N (phosphonomethyl)-glycine]e0
- Outcome
- effectivee0
- Value
- 0.8 kg/ hae0
Not reportedComparatorDirection
Verbatim
e0“Spring-applied glyphosate [N (phosphonomethyl)-glycine] was effective at 0.8 kg/ ha using a reduced carrier volume (93 l/ha)”
t0“GRASS”
Claim · model-written summary
August glyphosate with spring atrazine was an effective sod suppression treatment.
- Taxon
- GRASSt0
- Treatment
- August application of glyphosate coupled with a spring application of atrazinee0
- Outcome
- effective sod suppressione0
Not reportedComparatorDirection
Verbatim
e0“August application of glyphosate coupled with a spring application of atrazine [6-chloro-N-ethyl-N' -(l-methylethyl)-1,3 ,5-triazine-2,4-diamine] at the time of seeding was also an effective sod suppression treatment”
t0“GRASS”