Abstract
Farmers‟ traditional cropping practice in Limpopo Province is to mix and broadcast crops at planting without definite row arrangement. Although this practice is very easy and cost-saving, it leads to low plant density, hinders farm input application, and results in low crop yields and poor return on investment. Strip intercropping, where crops are planted with definite row arrangement, reduces inter-species competition, optimises plant population, and increases crop yield. Five cowpea varieties i.e. „TVu 13464‟, „IT86D-1010‟, „Glenda‟, „IT82E-16‟ and „IT87K-499-35‟ and maize was grown under strip intercropping, monocropping, and mixed intercropping as a control during two seasons. During both years, significant interactions were obtained between the cowpea varieties and the cropping systems in most of the variables measured. Cowpea sown in the strip intercropping performed better compared those sown in mixed intercropping. Cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ harvested more grain yield under monocropping and strip intercropping than under mixed intercropping. The land equivalent ratio (LER) of strip intercropping during the two seasons ranged between 1.25 and 2.29 and was higher compared to mixed intercropping, which ranged between 0.50 and 1.32. In conclusion, cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ sown with maize as strip intercropping resulted more profits under intercropping systems and were recommended for cultivation by farmers in the Limpopo region with low rainfall. Moreover, grain yield, LER, and net profit achieved by strip intercropping was three-fold more than mixed intercropping.
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Claims 11
Claim · model-written summary
Cowpea variety and cropping system interacted significantly for most measured variables.
- Taxon
- cowpea
Vigna unguiculatae0 - Material
- cowpea varietiese0
- Outcome
- most of the variables measurede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant interactions were obtained between the cowpea varieties and the cropping systems in most of the variables measured”
Claim · model-written summary
Strip-intercropped cowpea performed better than mixed-intercropped cowpea.
- Taxon
- CowpeaVigna unguiculatae0
- Treatment
- strip intercroppinge0
- Outcome
- performede0
- Direction
- bettere0
- Comparator
- mixed intercroppinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowpea sown in the strip intercropping performed better compared those sown in mixed intercropping”
Claim · model-written summary
IT86D-1010 yielded more grain under monocropping and strip intercropping than mixed intercropping.
- Taxon
- CowpeaVigna unguiculatae0
- Material
- IT86D-1010e0
- Treatment
- monocropping and strip intercroppinge0
- Outcome
- grain yielde0
- Direction
- moree0
- Comparator
- mixed intercroppinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ harvested more grain yield under monocropping and strip intercropping than under mixed intercropping”
Claim · model-written summary
IT82E-16 yielded more grain under monocropping and strip intercropping than mixed intercropping.
- Taxon
- CowpeaVigna unguiculatae0
- Material
- IT82E-16e0
- Treatment
- monocropping and strip intercroppinge0
- Outcome
- grain yielde0
- Direction
- moree0
- Comparator
- mixed intercroppinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ harvested more grain yield under monocropping and strip intercropping than under mixed intercropping”
Claim · model-written summary
IT87K-499-35 yielded more grain under monocropping and strip intercropping than mixed intercropping.
- Taxon
- CowpeaVigna unguiculatae0
- Material
- IT87K-499-35e0
- Treatment
- monocropping and strip intercroppinge0
- Outcome
- grain yielde0
- Direction
- moree0
- Comparator
- mixed intercroppinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ harvested more grain yield under monocropping and strip intercropping than under mixed intercropping”
Claim · model-written summary
Strip intercropping had an LER of 1.25 to 2.29 across seasons.
Not reportedTaxon
Verbatim
e0“The land equivalent ratio (LER) of strip intercropping during the two seasons ranged between 1.25 and 2.29”
Claim · model-written summary
Mixed intercropping had an LER of 0.50 to 1.32.
Not reportedTaxon
Verbatim
e0“mixed intercropping, which ranged between 0.50 and 1.32”
e1“land equivalent ratio (LER)”
Claim · model-written summary
Strip intercropping had a higher LER than mixed intercropping.
- Treatment
- strip intercroppinge0
- Outcome
- land equivalent ratio (LER)e0
- Direction
- highere0
- Comparator
- mixed intercroppinge0
Not reportedTaxon
Verbatim
e0“The land equivalent ratio (LER) of strip intercropping during the two seasons ranged between 1.25 and 2.29 and was higher compared to mixed intercropping, which ranged between 0.50 and 1.32”
Claim · model-written summary
The three named cowpea varieties grown with maize in strips yielded more profit under intercropping.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- strip intercroppinge0
- Outcome
- profitse0
- Direction
- moree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ sown with maize as strip intercropping resulted more profits under intercropping systems”
Claim · model-written summary
The authors recommended the three varieties in maize strip intercropping for low-rainfall Limpopo farms.
- Taxon
- cowpeaVigna unguiculatae0
- Outcome
- recommended for cultivation by farmerse0
- Qualifier
- low rainfalle0
- Setting
- Limpopo regione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cowpea varieties „IT86D-1010‟, „IT82E-16‟ and „IT87K-499-35‟ sown with maize as strip intercropping resulted more profits under intercropping systems and were recommended for cultivation by farmers in the Limpopo region with low rainfall”
Claim · model-written summary
Strip intercropping achieved threefold greater grain yield, LER and net profit than mixed intercropping.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- strip intercroppinge0
- Outcome
- grain yield, LER, and net profite0
- Direction
- moree0
- Value
- three-folde0
- Comparator
- mixed intercroppinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield, LER, and net profit achieved by strip intercropping was three-fold more than mixed intercropping”
e1“Cowpea sown in the strip intercropping”
The same questions in other papers
intercropping · yield · Vigna unguiculata (cowpea)Results differ
62 papers in the same direction as this paper · 33 in the opposite direction · 7 reporting no difference from an alternative
- negative
- no effect
- no effect
99 papers more in this group
See all 103 papers →rotation · yield · Vigna unguiculata (cowpea)Results agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 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.