Paper · 2008 · Caoye kexue

Preliminary study on the factors affecting the protein contets of alfalfa hay

Zhongxiang Zhao

7
claims
8
verbatim quotes
0
citations
2
research areas
—
Not open access

Abstract

The protein content of 6 alfalfa cultivars harvested in 4 different growing stages and dried with 4 different methods were tested.The result showed that different alfalfa cultivars harvested in different growing stages and dried with different methods produced different protein content of alfalfa hay,and such differences all reached the great significant level.Of the 6 cultivars,a foreign alfalfa Queen and domestic alfalfa Cangzhou has the highest protein content.As getting protein content of dry forage is the main purpose of growing alfalfa,the best harvest time shall be the time when alfalfa is in bud or in the beginning of blossom.Of the 4 drying methods,the high-temperature drying can get the most protein content of alfalfa hay.The light pressing haulm method,another method for drying alfalfa,can reduce 3 times the loss of protein than the non-pressing haulm,while heavy pressing haulm results in great loss of protein.

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Claims 7

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Alfalfa hay protein differed significantly among cultivars, harvest stages and drying methods.

Taxon
alfalfaMedicago sativae0
Outcome
protein content of alfalfa haye0
Direction
differente0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“different alfalfa cultivars harvested in different growing stages and dried with different methods produced different protein content of alfalfa hay,and such differences all reached the great significant level”

✓ located verbatim in the source · abstract, characters 153–362 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Queen had among the highest protein content of the six cultivars.

Taxon
alfalfaMedicago sativae0
Material
Queene0
Outcome
protein contente0
Direction
higheste0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“a foreign alfalfa Queen and domestic alfalfa Cangzhou has the highest protein content”

✓ located verbatim in the source · abstract, characters 382–467 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Cangzhou had among the highest protein content of the six cultivars.

Taxon
alfalfaMedicago sativae0
Material
Cangzhoue0
Outcome
protein contente0
Direction
higheste0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“a foreign alfalfa Queen and domestic alfalfa Cangzhou has the highest protein content”

✓ located verbatim in the source · abstract, characters 382–467 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend harvesting alfalfa at bud or early blossom for forage protein.

Taxon
alfalfaMedicago sativae0
Organ / stage
in bud or in the beginning of blossome0
Outcome
best harvest timee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“the best harvest time shall be the time when alfalfa is in bud or in the beginning of blossom”

✓ located verbatim in the source · abstract, characters 548–641 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

High-temperature drying yielded the most protein in alfalfa hay.

Taxon
alfalfaMedicago sativae0
Treatment
high-temperature dryinge0
Outcome
protein contente0
Direction
moste0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“the high-temperature drying can get the most protein content of alfalfa hay”

✓ located verbatim in the source · abstract, characters 666–741 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Light pressing reduced protein loss threefold relative to no pressing.

Taxon
alfalfaMedicago sativae0
Treatment
light pressing haulm methode0
Outcome
loss of proteine0
Direction
reducee0
Value
3 timese0
Comparator
non-pressing haulme0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“The light pressing haulm method,another method for drying alfalfa,can reduce 3 times the loss of protein than the non-pressing haulm”

✓ located verbatim in the source · abstract, characters 742–874 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Heavy pressing caused substantial protein loss.

Taxon
alfalfaMedicago sativat0
Treatment
heavy pressing haulme0
Outcome
loss of proteine0
Direction
great losse0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“heavy pressing haulm results in great loss of protein”

✓ located verbatim in the source · abstract, characters 881–934 · show in text ↑
t0

“alfalfa”

✓ located verbatim in the source · title, characters 66–73 · show in text ↑

light · quality: protein · Medicago sativa (alfalfa)Positive and negative results

5 papers: 3 positive, 2 negative or no effect

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  1. negative
  2. no effect
  3. positive

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processing · quality: protein · Medicago sativa (alfalfa)Positive and negative results

20 papers: 15 positive, 5 negative or no effect

14 papers in the same direction as this paper · 5 in the opposite direction

  1. no effect
  2. negative
  3. no effect

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heat · quality: protein · Medicago sativa (alfalfa)Results agree

8 papers: 8 positive, 0 negative or no effect

7 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

4 papers more in this group

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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.