Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan
Earthworms and arbuscular mycorrhizal fungi (AMF) modify soil physical and chemical properties. However, little is known about how their interactions affect water-stable aggregation, glomalin and crop performance. A greenhouse experiment was run for 9 months to test the effects of earthworms (endoge...
| Autores principales: | , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Commonwealth Scientific and Industrial Research Organisation
2019
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/99109 |
| _version_ | 1855540439366500352 |
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| author | Muchane, Mary N. Pulleman, Mirjam Margreet Vanlauwe, Bernard Jefwa, Joyce Kuyper, Thomas W. |
| author_browse | Jefwa, Joyce Kuyper, Thomas W. Muchane, Mary N. Pulleman, Mirjam Margreet Vanlauwe, Bernard |
| author_facet | Muchane, Mary N. Pulleman, Mirjam Margreet Vanlauwe, Bernard Jefwa, Joyce Kuyper, Thomas W. |
| author_sort | Muchane, Mary N. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Earthworms and arbuscular mycorrhizal fungi (AMF) modify soil physical and chemical properties. However, little is known about how their interactions affect water-stable aggregation, glomalin and crop performance. A greenhouse experiment was run for 9 months to test the effects of earthworms (endogeic, Pontoscolex corethrurus; and epigeic, Dichogaster bolaui) and AMF (none, Glomus etunicatum and Scutellospora verrucosa) on water-stable aggregation, glomalin levels in aggregate size classes and crop performance. The test crop was pigeonpea (Cajanus cajan (L.) Millsp.). The soil material used for the experiment was a humic nitisol from central Kenya mixed with sand (ratio 1:1). Grass residue (equivalent to 20tha–1) was placed on top. The AMF root colonisation and external hyphal length, water-stable macroaggregates and microaggregates, total and easily-extractable glomalin in aggregate size classes, plant biomass and plant N and P uptake were measured. Earthworms were a major source of variation for soil aggregation, glomalin content and crop performance. The epigeic earthworms (D. bolaui) increased the amount of water-stable macroaggregates (by 10%) and glomalin in microaggregates and improved crop (growth and biomass) performance. The endogeic earthworms (P. corethrurus) reduced external hyphal length, root colonisation and crop performance but had no effect on water-stable aggregates and glomalin levels in in aggregate size classes. A significant AMF×earthworm interaction was observed for plant biomass and concentrations of nitrogen (N) and phosphorus (P). The AMF species together with epigeic earthworms increased plant biomass and N and P concentrations. Our results contribute to the understanding of interactions between AMF and earthworms in relation to soil aggregation, plant productivity and nutrient uptake. |
| format | Journal Article |
| id | CGSpace99109 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Commonwealth Scientific and Industrial Research Organisation |
| publisherStr | Commonwealth Scientific and Industrial Research Organisation |
| record_format | dspace |
| spelling | CGSpace991092025-12-08T10:29:22Z Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan Muchane, Mary N. Pulleman, Mirjam Margreet Vanlauwe, Bernard Jefwa, Joyce Kuyper, Thomas W. soil soil fertility cajanus cajan mycorrhizae soil structure Earthworms and arbuscular mycorrhizal fungi (AMF) modify soil physical and chemical properties. However, little is known about how their interactions affect water-stable aggregation, glomalin and crop performance. A greenhouse experiment was run for 9 months to test the effects of earthworms (endogeic, Pontoscolex corethrurus; and epigeic, Dichogaster bolaui) and AMF (none, Glomus etunicatum and Scutellospora verrucosa) on water-stable aggregation, glomalin levels in aggregate size classes and crop performance. The test crop was pigeonpea (Cajanus cajan (L.) Millsp.). The soil material used for the experiment was a humic nitisol from central Kenya mixed with sand (ratio 1:1). Grass residue (equivalent to 20tha–1) was placed on top. The AMF root colonisation and external hyphal length, water-stable macroaggregates and microaggregates, total and easily-extractable glomalin in aggregate size classes, plant biomass and plant N and P uptake were measured. Earthworms were a major source of variation for soil aggregation, glomalin content and crop performance. The epigeic earthworms (D. bolaui) increased the amount of water-stable macroaggregates (by 10%) and glomalin in microaggregates and improved crop (growth and biomass) performance. The endogeic earthworms (P. corethrurus) reduced external hyphal length, root colonisation and crop performance but had no effect on water-stable aggregates and glomalin levels in in aggregate size classes. A significant AMF×earthworm interaction was observed for plant biomass and concentrations of nitrogen (N) and phosphorus (P). The AMF species together with epigeic earthworms increased plant biomass and N and P concentrations. Our results contribute to the understanding of interactions between AMF and earthworms in relation to soil aggregation, plant productivity and nutrient uptake. 2019 2019-01-18T14:55:51Z 2019-01-18T14:55:51Z Journal Article https://hdl.handle.net/10568/99109 en Limited Access Commonwealth Scientific and Industrial Research Organisation Muchane, Mary N.; Pulleman, Mirjam M.; Vanlauwe, Bernard; Jefwa, Joyce & Kuyper, Thomas W. (2018). Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan. Soil Research, 1–13 p. |
| spellingShingle | soil soil fertility cajanus cajan mycorrhizae soil structure Muchane, Mary N. Pulleman, Mirjam Margreet Vanlauwe, Bernard Jefwa, Joyce Kuyper, Thomas W. Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title | Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title_full | Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title_fullStr | Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title_full_unstemmed | Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title_short | Impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability, glomalin, and performance of pigeonpea, Cajanus cajan |
| title_sort | impact of arbuscular mycorrhizal fungi and earthworms on soil aggregate stability glomalin and performance of pigeonpea cajanus cajan |
| topic | soil soil fertility cajanus cajan mycorrhizae soil structure |
| url | https://hdl.handle.net/10568/99109 |
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