Abstract
Abstract A greenhouse experiment was conducted to determine the combined effects of lime, nitrogen and phosphorus on mycorrhizal activity in an oxisol subjected to imposed erosion using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant. Cowpea was grown in the soil in the presence or absence of the vesicular‐arbuscular mycorrhizal fungus Glomus aqgregatum (Schenck & Smith emend. Koske) with or without a basal nutrient (basal) consisting of K, Mg, S, Zn, Cu and B; and with basal nutrients plus lime, N and P (complete). The extent of mycorrhizal colonization of roots as well as mycorrhizal effectiveness measured in terms of leaf disc P content increased significantly when the eroded soil was amended with a combination of all of the nutrients and inoculated with Glomus aggregatum. Vesicular‐arbuscular mycorrhizal inoculation and nutrient amendment was also accompanied by significant increase in shoot P, Cu, Zn and N content, and nodule, shoot and root dry matter yield. The findings of this study demonstrate the importance of replacing lost nutrients before legumes could be successfully established on highly weathered eroded soils inoculated with vesicular‐arbuscular mycorrhizal fungi. Notes Hawaii Institute of Tropical Agriculture and Human Resources Journal Series No._____.
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Claims 6
Claim · model-written summary
Mycorrhizal colonization of cowpea roots increased significantly with nutrient amendment and Glomus aggregatum inoculation.
- Taxon
- cowpea
Vigna unguiculatae1 - Treatment
- a combination of all of the nutrients and inoculated with Glomus aggregatume2
- Interactor
- Glomus aggregatumRhizophagus aggregatuse2symbiont
- Outcome
- extent of mycorrhizal colonization of rootse2
- Direction
- increasede2
- Setting
- greenhousee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to determine the combined effects of lime, nitrogen and phosphorus on mycorrhizal activity in an oxisol subjected to imposed erosion”
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e2“The extent of mycorrhizal colonization of roots as well as mycorrhizal effectiveness measured in terms of leaf disc P content increased significantly when the eroded soil was amended with a combination of all of the nutrients and inoculated with Glomus aggregatum”
Claim · model-written summary
Mycorrhizal effectiveness, measured as leaf disc P content, increased with nutrient amendment and Glomus aggregatum inoculation.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- a combination of all of the nutrients and inoculated with Glomus aggregatume2
- Interactor
- Glomus aggregatumRhizophagus aggregatuse2symbiont
- Outcome
- mycorrhizal effectiveness measured in terms of leaf disc P contente2
- Direction
- increasede2
- Setting
- greenhousee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greenhouse experiment was conducted to determine the combined effects of lime, nitrogen and phosphorus on mycorrhizal activity in an oxisol subjected to imposed erosion”
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e2“The extent of mycorrhizal colonization of roots as well as mycorrhizal effectiveness measured in terms of leaf disc P content increased significantly when the eroded soil was amended with a combination of all of the nutrients and inoculated with Glomus aggregatum”
Claim · model-written summary
Mycorrhizal inoculation with nutrient amendment significantly increased shoot P, Cu and Zn content of cowpea.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- mycorrhizal inoculation and nutrient amendmente3
- Outcome
- shoot P, Cu, Zne3
- Direction
- significant increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e3“Vesicular‐arbuscular mycorrhizal inoculation and nutrient amendment was also accompanied by significant increase in shoot P, Cu, Zn and N content, and nodule, shoot and root dry matter yield”
Claim · model-written summary
Mycorrhizal inoculation with nutrient amendment significantly increased shoot N content of cowpea.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- mycorrhizal inoculation and nutrient amendmente3
- Outcome
- N contente3
- Direction
- significant increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e3“Vesicular‐arbuscular mycorrhizal inoculation and nutrient amendment was also accompanied by significant increase in shoot P, Cu, Zn and N content, and nodule, shoot and root dry matter yield”
Claim · model-written summary
Mycorrhizal inoculation with nutrient amendment significantly increased nodule, shoot and root dry matter yield of cowpea.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- mycorrhizal inoculation and nutrient amendmente3
- Outcome
- nodule, shoot and root dry matter yielde3
- Direction
- significant increasee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e3“Vesicular‐arbuscular mycorrhizal inoculation and nutrient amendment was also accompanied by significant increase in shoot P, Cu, Zn and N content, and nodule, shoot and root dry matter yield”
Claim · model-written summary
Replacing lost nutrients is important before legumes can be established on highly weathered eroded soils inoculated with mycorrhizal fungi.
- Taxon
- cowpeaVigna unguiculatae1
- Outcome
- replacing lost nutrients before legumes could be successfully established on highly weathered eroded soilse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“using Vigna unquiculata (L.) Walp cv. ‘California Blackeye No. 5’ (cowpea) as a test plant”
e4“The findings of this study demonstrate the importance of replacing lost nutrients before legumes could be successfully established on highly weathered eroded soils inoculated with vesicular‐arbuscular mycorrhizal fungi”
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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.