Abstract
Abstract Striga hermonthica is a major biotic constraint in the dry and less fertile areas of northern Ethiopia. Emphasis is being placed on improved cropping systems to address the interrelated problems of Striga and soil fertility decline. The potential benefits of intercropping were investigated at two sites representing different environments for crop yield improvement, soil fertility maintenance and Striga control. Ten food legume and oilseed crop species were compared in inter‐row arrangement with sorghum under non‐fertilized conditions. In most cases, there was no significant negative impact of intercropping on sorghum growth and development. Among the intercrops, two cowpea varieties – cv. TVU 1977 OD and cv. Blackeye bean – produced the highest supplemental yield of up to 329 and 623 kg ha −1 grain and 608 and 1173 kg ha −1 biomass at Adibakel and Sheraro respectively. Treatment differences on Striga infestation and measured soil fertility indicators were not significant. Nevertheless, valuable grain and biomass obtained from the legume intercrops, without seriously compromising sorghum yield, could offer multiple benefits as a source of protein, additional income, feeds for animals and manure in the subsistence agriculture regions of northern Ethiopia.
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Claims 6
Claim · model-written summary
Intercropping usually had no significant negative impact on sorghum growth and development.
- Treatment
- intercroppinge0
- Outcome
- growth and developmente0
- Direction
- no significant negative impacte0
- Qualifier
- In most casese0
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In most cases, there was no significant negative impact of intercropping on sorghum growth and development”
Claim · model-written summary
Cowpea cv. TVU 1977 OD and cv. Blackeye bean produced the highest supplemental grain yields at Adibakel and Sheraro, respectively.
- Taxon
- cowpea
Vigna unguiculatae0 - Material
- cv. TVU 1977 OD and cv. Blackeye beane0
- Outcome
- supplemental yielde0
- Direction
- higheste0
- Value
- 329 and 623 kg ha −1e0
- Setting
- Adibakel and Sheraroe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two cowpea varieties – cv. TVU 1977 OD and cv. Blackeye bean – produced the highest supplemental yield of up to 329 and 623 kg ha −1 grain and 608 and 1173 kg ha −1 biomass at Adibakel and Sheraro respectively”
Claim · model-written summary
Cowpea intercrops produced up to 608 and 1173 kg ha −1 biomass at Adibakel and Sheraro, respectively.
- Taxon
- cowpeaVigna unguiculatae0
- Material
- cv. TVU 1977 OD and cv. Blackeye beane0
- Outcome
- biomasse0
- Direction
- higheste0
- Value
- 608 and 1173 kg ha −1e0
- Setting
- Adibakel and Sheraroe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two cowpea varieties – cv. TVU 1977 OD and cv. Blackeye bean – produced the highest supplemental yield of up to 329 and 623 kg ha −1 grain and 608 and 1173 kg ha −1 biomass at Adibakel and Sheraro respectively”
Claim · model-written summary
Treatments did not differ significantly in Striga infestation.
StrigaNot reportedTaxonComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment differences on Striga infestation and measured soil fertility indicators were not significant”
Claim · model-written summary
Treatments did not differ significantly in measured soil fertility indicators.
Not reportedTaxonComparator
Verbatim
e0“Treatment differences on Striga infestation and measured soil fertility indicators were not significant”
Claim · model-written summary
The authors consider legume intercrops useful for grain and biomass without seriously compromising sorghum yield.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“valuable grain and biomass obtained from the legume intercrops, without seriously compromising sorghum yield, could offer multiple benefits”
The same questions in other papers
intercropping · growth · SorghumPositive and negative results
6 papers in the same direction as this paper · 26 in the opposite direction
- positive
- positive
- positive
29 papers more in this group
See all 33 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.