Abstract
ABSTRACT The adverse effects of long term soil erosion on potato production are well established. Living mulches may help reduce erosion rates while improving soil structure. The objectives of this experiment were to study the competition between living mulches and the potato (Solanum tuberosum L.) and its effect on productivity. In 1997, potatoes were grown with conventional and organic management. Four of the organic treatments were intercropped with a living mulch of hairy vetch (Vicia villosa L.), Marino red clover (Trifolium pratense L.) and Kentucky bluegrass (Poa pratensis L.), or part of the native sod was left intact. In 1998, two additional raised-bed treatments were added and the native sod treatment was eliminated. The treatments were applied to two potato varieties (Russet Burbank and Island Sunshine) in a split-plot experimental design. In 1997 and 1998 Russet Burbank and Island Sunshine tuber yields were not significantly different when managed organically or conventionally. Living mulches did not significantly affect potato plant development or tuber yields in any of the organic treatments except where the native sod was left intact and the tubers were planted under a layer of straw or hay. Soil moisture levels remained consistently lower in conventionally managed plots than in organically managed plots with living mulches in 1997 and 1998. In both years, Russet Burbank had significantly higher yields than Island Sunshine.
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Claims 5
Claim · model-written summary
Organic and conventional management produced no significant difference in tuber yield for Russet Burbank and Island Sunshine in 1997 and 1998.
Verbatim
e0“In 1997 and 1998 Russet Burbank and Island Sunshine tuber yields were not significantly different when managed organically or conventionally.”
Claim · model-written summary
Living mulches did not significantly affect potato plant development in organic treatments other than the native sod with straw or hay exception.
- Taxon
- Potato
Solanum tuberosumt0 - Treatment
- Living mulchese0
- Outcome
- potato plant developmente0
- Direction
- did not significantly affecte0
- Qualifier
- except where the native sod was left intact and the tubers were planted under a layer of straw or haye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Living mulches did not significantly affect potato plant development or tuber yields in any of the organic treatments except where the native sod was left intact and the tubers were planted under a layer of straw or hay.”
t0“Potato”
Claim · model-written summary
Living mulches did not significantly affect potato tuber yields in organic treatments other than the native sod with straw or hay exception.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- Living mulchese0
- Outcome
- tuber yieldse0
- Direction
- did not significantly affecte0
- Qualifier
- except where the native sod was left intact and the tubers were planted under a layer of straw or haye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Living mulches did not significantly affect potato plant development or tuber yields in any of the organic treatments except where the native sod was left intact and the tubers were planted under a layer of straw or hay.”
t0“Potato”
Claim · model-written summary
Soil moisture was consistently lower under conventional management than organic management with living mulches in both years.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- conventionally managed plotse0
- Outcome
- Soil moisture levelse0
- Direction
- lowere0
- Qualifier
- in 1997 and 1998e0
- Comparator
- organically managed plots with living mulchese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil moisture levels remained consistently lower in conventionally managed plots than in organically managed plots with living mulches in 1997 and 1998.”
t0“Potato”
Claim · model-written summary
Russet Burbank yielded significantly more tubers than Island Sunshine in both years.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Russet Burbanke0
- Outcome
- yieldse0
- Direction
- highere0
- Qualifier
- In both yearse0
- Comparator
- Island Sunshinee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In both years, Russet Burbank had significantly higher yields than Island Sunshine.”
t0“Potato”
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See all 29 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.