Abstract
Summary To suppress weeds in an apple ( M alus sp.) orchard, we placed spruce ( P icea spp.) bark mulch and cocoa ( T heobroma cacao ) husk mulch for 3 months in thicknesses of 0, 2.5, 5, 10 and 15 cm. To assess the development of weed cover, an innovative use of log‐logistic dose–response models was applied, with mulch thickness as the independent variable. Weed cover was measured by non‐destructive image analysis by estimating the relationship between the number of green pixels and the total number of pixels in each experimental plot. The thickness of mulch layer required to attain a 50 and 90% weed suppression ( ED 50 and ED 90) differed significantly within and between mulch types. In all except one instance, the cocoa mulch was superior in suppressing weeds. This method was useful for the evaluation, but further research is needed to give a more general conclusion about the suppression ability of the two mulches under other climatic and growing conditions.
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Claims 3
Claim · model-written summary
The thickness needed for 50% and 90% weed suppression differed within and between mulch types.
- Taxon
- apple
Malus domesticat0 - Treatment
- thickness of mulch layere0
- Interactor
- weede0weed
- Outcome
- weed suppressione0
- Direction
- differede0
- Comparator
- mulch typese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The thickness of mulch layer required to attain a 50 and 90% weed suppression ( ED 50 and ED 90) differed significantly within and between mulch types.”
t0“an apple ( M alus sp.) orchard”
Claim · model-written summary
Cocoa mulch was superior for weed suppression in all but one instance.
- Taxon
- appleMalus domesticat0
- Treatment
- cocoa mulche0
- Interactor
- weedse0weed
- Outcome
- suppressing weedse0
- Direction
- superiore0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all except one instance, the cocoa mulch was superior in suppressing weeds.”
t0“an apple ( M alus sp.) orchard”
Claim · model-written summary
The image and dose-response method was useful for evaluation.
- Taxon
- appleMalus domesticat0
- Outcome
- useful for the evaluatione0
- Comparator
- two mulchese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This method was useful for the evaluation, but further research is needed to give a more general conclusion about the suppression ability of the two mulches under other climatic and growing conditions.”
t0“an apple ( M alus sp.) orchard”
The same questions in other papers
mulching · weed · Malus domestica (apple)Results agree
12 papers in the same direction as this paper
- positive
- positive
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9 papers more in this group
See all 13 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.