Abstract
Two studies evaluated the impact of residue removal; study 1, grazed in the fall or spring, study 2, removed by grazing at two stocking rates, light (LG), heavy (HG), or baled(B). There were no differences in pre-grazing treatments for digestibility, CP, NDF, plant fraction as a percent of residue and kg/25.5 kg of grain. Digestibility was highest in husk and lowest in stem. CP was greatest in leaf blade and lowest in husk. NDF was highest in the leaf sheath and lowest in the cob while stem is the greatest percentage of the plant and husk the smallest. The fractions cattle consumed yielded 6-7 kg of residue per 25.5 kg of grain. LG cattle had greater BCS (P < 0.01) and BW (P = 0.03) post-grazing. Soybean yields were greater following corn residue grazing (P ≤ 0.01) in both fall and spring grazed treatments compared to un-grazed. Study two found no effect of residue removal on grain yield (P = 0.31). An additional study evaluated the effect of plant density and maturity, moderately early maturing (MEM) hybrids or moderately late maturing (MLM) hybrids. All fractions had greater kg of DM/ha in MLM hybrids. Percent of husk and leaf blade were higher in MLM hybrids. Leaf blade and stem were only fractions with greater NDF in MLM hybrids. NDFD of stem and husk were only fractions greater in MLM hybrids. MEM hybrids had greater CP in leaf sheath and stem only. As plant densities increased kg DM/ha increased for all fractions but cob. Percentage of cob and husk in total residue decreased with increased plant densities. The kg of leaf blade/25.5 kg of grain was only fraction to increase with the increasing densities. CP decreased for all plant fractions as planting density increased. NDF increased for all fractions as planting density increased. NDFD only decreased for leaf sheath as planting density increased. Advisors: L. Aaron Stalker, Terry J. Klopfenstein
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Claims 19
Claim · model-written summary
Pre-grazing residue treatments did not differ in digestibility, CP, NDF, fraction percentage or residue per grain.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- pre-grazing treatmentse0
- Outcome
- digestibility, CP, NDFe0
- Direction
- no differencese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no differences in pre-grazing treatments for digestibility, CP, NDF, plant fraction as a percent of residue and kg/25.5 kg of grain.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Digestibility was highest in husk and lowest in stem.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- huske0
- Outcome
- Digestibilitye0
- Direction
- higheste0
- Comparator
- steme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Digestibility was highest in husk and lowest in stem.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
CP was greatest in leaf blade and lowest in husk.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- leaf bladee0
- Outcome
- CPe0
- Direction
- greateste0
- Comparator
- huske0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CP was greatest in leaf blade and lowest in husk.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
NDF was highest in leaf sheath and lowest in cob.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- leaf sheathe0
- Outcome
- NDFe0
- Direction
- higheste0
- Comparator
- cobe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NDF was highest in the leaf sheath and lowest in the cob”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Stem was the greatest plant fraction and husk the smallest.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- steme0
- Outcome
- percentage of the plante0
- Direction
- greateste0
- Comparator
- huske0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stem is the greatest percentage of the plant and husk the smallest.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Cattle consumed corn fractions yielding 6-7 kg residue per 25.5 kg grain.
- Taxon
- CornZea mays subsp. mayst0
- Outcome
- residuee0
- Value
- 6-7 kg of residue per 25.5 kg of graine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The fractions cattle consumed yielded 6-7 kg of residue per 25.5 kg of grain.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Soybean yields were greater after fall or spring corn residue grazing than after no grazing.
- Taxon
- Soybean
Glycine maxe0 - Treatment
- corn residue grazinge0
- Outcome
- Soybean yieldse0
- Direction
- greatere0
- Qualifier
- both fall and spring grazed treatmentse0
- Comparator
- un-grazede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soybean yields were greater following corn residue grazing (P ≤ 0.01) in both fall and spring grazed treatments compared to un-grazed.”
Claim · model-written summary
Residue removal had no detected effect on grain yield.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- residue removale0
- Outcome
- grain yielde0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Study two found no effect of residue removal on grain yield (P = 0.31).”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
All residue fractions had greater dry mass per hectare in MLM hybrids.
- Taxon
- CornZea mays subsp. mayst0
- Material
- MLM hybridse0
- Outcome
- kg of DM/hae0
- Direction
- greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All fractions had greater kg of DM/ha in MLM hybrids.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Husk and leaf blade percentages were higher in MLM hybrids.
- Taxon
- CornZea mays subsp. mayst0
- Material
- MLM hybridse0
- Outcome
- Percent of husk and leaf bladee0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Percent of husk and leaf blade were higher in MLM hybrids.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Leaf blade and stem NDF were greater in MLM hybrids.
- Taxon
- CornZea mays subsp. mayst0
- Material
- MLM hybridse0
- Organ / stage
- Leaf blade and steme0
- Outcome
- NDFe0
- Direction
- greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf blade and stem were only fractions with greater NDF in MLM hybrids.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Stem and husk NDFD were greater in MLM hybrids.
- Taxon
- CornZea mays subsp. mayst0
- Material
- MLM hybridse0
- Organ / stage
- stem and huske0
- Outcome
- NDFDe0
- Direction
- greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NDFD of stem and husk were only fractions greater in MLM hybrids.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Leaf sheath and stem CP were greater in MEM hybrids.
- Taxon
- CornZea mays subsp. mayst0
- Material
- MEM hybridse0
- Organ / stage
- leaf sheath and steme0
- Outcome
- CPe0
- Direction
- greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MEM hybrids had greater CP in leaf sheath and stem only.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Higher planting density increased dry residue mass for all fractions except cob.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- plant densitiese0
- Outcome
- kg DM/hae0
- Direction
- increasede0
- Qualifier
- all fractions but cobe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As plant densities increased kg DM/ha increased for all fractions but cob.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Cob and husk percentages decreased at higher planting density.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- increased plant densitiese0
- Outcome
- Percentage of cob and husk in total residuee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Percentage of cob and husk in total residue decreased with increased plant densities.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
Leaf blade mass per grain increased at higher density.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- increasing densitiese0
- Outcome
- kg of leaf blade/25.5 kg of graine0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The kg of leaf blade/25.5 kg of grain was only fraction to increase with the increasing densities.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
CP declined in all plant fractions at higher planting density.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- planting densitye0
- Outcome
- CPe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“CP decreased for all plant fractions as planting density increased.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
NDF rose in all fractions at higher planting density.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- planting densitye0
- Outcome
- NDFe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NDF increased for all fractions as planting density increased.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
Claim · model-written summary
NDFD declined only in leaf sheath at higher density.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- leaf sheathe0
- Treatment
- planting densitye0
- Outcome
- NDFDe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NDFD only decreased for leaf sheath as planting density increased.”
t0“Effect of Residue Removal on Subsequent Year Quality and Quantity of Corn Residue and Cattle Performance While Grazing Corn Residue at Different Stocking Rates”
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See all 22 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.