@article{fdi:010068779, title = {{C}rop management and soil macrofauna diversity in the {H}ighlands of {M}adagascar}, author = {{R}akotomanga, {D}. and {B}lanchart, {E}ric and {R}abary, {B}. and {R}andriamanantsoa, {R}. and {R}azafindrakoto, {M}. and {A}utfray, {P}.}, editor = {}, language = {{ENG}}, abstract = {{D}escription of the subject. {T}his article deals with soil macrofauna as a key component of soil biological functioning. {O}bjectives. {T}his original study, performed in 2015, aimed to compare the effect of contrasted land uses and cultural practices on soil macrofauna in a crop-livestock area in the {M}adagascar {H}ighlands. {F}ive cropping systems were investigated: annual crops under tillage with low ({LAMF}) and high ({LAEF}) manure inputs, permanent tilled forage crops with high manure inputs ({CFEF}), crops under conservation agriculture without tillage or permanent mulch cover and with medium manure inputs ({ACMF}), and permanent pastures without tillage and without manure ({PP}0{F}). {M}ethod. {I}n each of these five cropping systems, soil macrofauna was sampled in 12 plots from experimental trials and smallholder farms at the end of the rainy season. {I}n each plot, soil macrofauna was hand-sorted from five soil monoliths at a 0-30 cm depth. {R}esults. {F}ifty-two species were identified and organized into 15 orders and six functional groups. {I}n the annual cropping systems ({ACMF}), the absence of tillage and the presence of a permanent soil cover increased soil macrofauna diversity and density without reducing harmful white grubs ({S}carabeoid beetle larvae), while earthworm density was reduced in comparison with the {CFEF} system. {I}n conventional tillage cropping systems, manure input intensity ({LAMF} versus {LAEF}) had no specific effects on white grubs or earthworms. {C}onclusions. {T}his study on soil macrofauna in the {H}ighlands of {M}adagascar helped to establish which agricultural practices and farming systems are favourable to beneficial soil invertebrates such as earthworms, and unfavourable to harmful insects such as white grubs. {T}his will help farmers to achieve a more sustainable crop management.}, keywords = {{C}ultivation ; cropping system ; farmyard manure ; soil fauna ; {M}adagascar ; {MADAGASCAR}}, booktitle = {}, journal = {{B}iotechnologie {A}gronomie {S}oci{\'e}t{\'e} et {E}nvironnement}, volume = {20}, numero = {4}, pages = {495--507}, ISSN = {1370-6233}, year = {2016}, URL = {https://www.documentation.ird.fr/hor/fdi:010068779}, }