Abstract
Synopsis Potash was the most important factor in maintaining high yields and persistence of an alfalfa stand. The “critical percentage” for potassium content varied from season to season and probably lies somewhere between 1.42 and 1.84%. Nitrogen fertilization tended to decrease yields and stands whereas phosphorus had no significant beneficial effect.
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Claims 5
Claim · model-written summary
Potash was the most important factor maintaining high alfalfa yield and stand persistence.
- Taxon
- Alfalfa
Medicago sativat0 - Treatment
- Potashe0
- Outcome
- high yields and persistencee0
- Direction
- highe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Potash was the most important factor in maintaining high yields and persistence of an alfalfa stand”
t0“Alfalfa”
Claim · model-written summary
The critical potassium percentage varied between seasons.
- Taxon
- AlfalfaMedicago sativat0
- Outcome
- critical percentage” for potassium contente0
- Direction
- variede0
- Value
- 1.42 and 1.84%e0
- Qualifier
- probablye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The “critical percentage” for potassium content varied from season to season and probably lies somewhere between 1.42 and 1.84%”
t0“Alfalfa”
Claim · model-written summary
Nitrogen fertilization tended to decrease alfalfa yields.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- Nitrogen fertilizatione0
- Outcome
- yieldse0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen fertilization tended to decrease yields and stands”
t0“Alfalfa”
Claim · model-written summary
Nitrogen fertilization tended to decrease alfalfa stand persistence.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- Nitrogen fertilizatione0
- Outcome
- standse0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen fertilization tended to decrease yields and stands”
t0“Alfalfa”
Claim · model-written summary
Phosphorus had no significant beneficial effect on alfalfa.
- Taxon
- AlfalfaMedicago sativat0
- Treatment
- phosphoruse0
- Outcome
- beneficial effecte0
- Direction
- no significant beneficial effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phosphorus had no significant beneficial effect”
t0“Alfalfa”
The same questions in other papers
potassium · yield · Medicago sativa (alfalfa)Results differ
29 papers in the same direction as this paper · 8 in the opposite direction
- positive
- no effect
- no effect
34 papers more in this group
See all 38 papers →fertilization · yield · Medicago sativa (alfalfa)Positive and negative results
32 papers in the same direction as this paper · 151 in the opposite direction
- positive
- positive
- positive
180 papers more in this group
See all 184 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.