@article{fdi:010037592, title = {{E}arthworms ({M}illsonia anomala, {M}egascolecidae) do not increase rice growth through enhanced nitrogen mineralization}, author = {{B}louin, {M}anuel and {B}arot, {S}{\'e}bastien and {L}avelle, {P}atrick}, editor = {}, language = {{ENG}}, abstract = {{E}arthworms have been shown to increase plant growth in 75% of the experiments that have compared plant growth in their presence and absence. {H}owever, the relative importance of the different mechanisms advanced to explain such a stimulatory effect has never been tested. {I}n a laboratory experiment, we observed increased growth of rice plants in the presence of earthworms ({M}illsonia anomala, {M}egascolecidae) and demonstrated that enhanced nitrogen release (generally considered as the principal mechanism involved in earthworm positive effect on plants) was not responsible for this result: earthworms had the same stimulatory effect on plant growth (+ 20%) irrespective of whether the soil (provided with different amounts of mineral-{N} fertilizer) was either {N}-limited or {N}-saturated. {W}e discuss alternative explanations for the observed variations in rice production. (c) 2006 {E}lsevier {L}td. {A}ll rights reserved.}, keywords = {earthworm ; mechanisms affecting plant growth ; mineralization ; nitrogen gradient}, booktitle = {}, journal = {{S}oil {B}iology and {B}iochemistry}, volume = {38}, numero = {8}, pages = {2063--2068}, ISSN = {0038-0717}, year = {2006}, DOI = {10.1016/j.soilbio.2005.12.023}, URL = {https://www.documentation.ird.fr/hor/fdi:010037592}, }