Abstract
In a 6-yr field study with highbush blueberries (Vaccinium corymbosum L.) the incorporation of raw sawdust or peat with the soil, plus surface-applied fertilizer, did not increase yields, bush size, or vigor. Control bushes were more vigorous, produced higher yields with larger fruit, and usually had lower levels of all nutrients, Ca excepted, than those receiving the other treatments even though the differences were not generally significant at the 5% level. Regression equations revealed that leaf Ca, bush size, and winter injury were the most important variables associated with yields, whereas fruit size was most closely related to leaf Ca, Mg, and N.
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Claims 5
Claim · model-written summary
Sawdust or peat with surface fertilizer did not increase yield, bush size, or vigor.
- Taxon
- HIGHBUSH BLUEBERRY
Vaccinium corymbosumt0 - Treatment
- raw sawdust or peate0
- Outcome
- yields, bush size, or vigore0
- Direction
- did not increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the incorporation of raw sawdust or peat with the soil, plus surface-applied fertilizer, did not increase yields, bush size, or vigor”
t0“HIGHBUSH BLUEBERRY”
Claim · model-written summary
Control bushes were more vigorous and yielded more and larger fruit.
- Taxon
- HIGHBUSH BLUEBERRYVaccinium corymbosumt0
- Outcome
- more vigorous, produced higher yields with larger fruite0
- Comparator
- Control bushese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Control bushes were more vigorous, produced higher yields with larger fruit”
t0“HIGHBUSH BLUEBERRY”
Claim · model-written summary
Controls usually had lower nutrient levels except calcium; differences generally lacked 5% significance.
- Taxon
- HIGHBUSH BLUEBERRYVaccinium corymbosumt0
- Outcome
- lower levels of all nutrients, Ca exceptede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“usually had lower levels of all nutrients, Ca excepted, than those receiving the other treatments even though the differences were not generally significant at the 5% level”
t0“HIGHBUSH BLUEBERRY”
Claim · model-written summary
Leaf calcium, bush size and winter injury were the most important variables associated with yield.
- Taxon
- HIGHBUSH BLUEBERRYVaccinium corymbosumt0
- Compound
- Cae0
- Outcome
- yieldse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf Ca, bush size, and winter injury were the most important variables associated with yields”
t0“HIGHBUSH BLUEBERRY”
Claim · model-written summary
Fruit size was most closely related to leaf calcium, magnesium and nitrogen.
- Taxon
- HIGHBUSH BLUEBERRYVaccinium corymbosumt0
- Compound
- Ca, Mg, and Ne0
- Outcome
- fruit sizee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit size was most closely related to leaf Ca, Mg, and N”
t0“HIGHBUSH BLUEBERRY”
The same questions in other papers
growing medium · yield · Vaccinium corymbosum (highbush blueberry)Positive and negative results
1 paper in the same direction as this paper · 9 in the opposite direction
- positive
- positive
- positive
7 papers more in this group
See all 11 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.