@article{PAR00007911, title = {{I}mpact of tillage and residue management on the soil properties and water erosion of a {M}editerranean {V}ertisol}, author = {{M}oussadek, {R}. and {M}rabet, {R}. and {Z}ante, {P}atrick and {L}amach{\`e}re, {J}ean-{M}arie and {P}{\'e}pin, {Y}annick and {L}e {B}issonnais, {Y}. and {Y}e, {L}. {M}. and {V}erdoodt, {A}. and {V}an {R}anst, {E}.}, abstract = {{S}oil erosion research on {M}editerranean {V}ertisols under no tillage systems ({NT}) is still scarce. {A} rainfall simulator was used on {V}ertisols to compare water runoff and soil loss in a conventional tillage system ({CT}), {NT} system with crop residues removed ({NT}0), and {NT} with 50% of crop residues returned to the soil surface ({NT}50). {R}unoff and soil loss rates were more than 50% lower under {NT}50 compared with {NT}0 and {CT}. {W}et aggregate stability ({MWD}), soil organic matter ({SOM}) and soil bulk density ({D}a) were significantly higher under {NT} than under {CT}. {A} multiple regression analysis showed that when the soil was dry, {D}a explained 84 and 96% of the variation in water runoff and soil loss, respectively. {U}nder wet soil conditions, {MWD} explained 47 and 69% of variation in water runoff and soil loss, respectively. {C}onsequently, although {NT} systems improved soil quality ({MWD}, {SOM}) compared with the {CT} system, returning 50% of crop residues at the soil surface was mandatory under {NT} to protect these {V}ertisols against water erosion.}, keywords = {{N}o-tillage system ; crop residue ; erosion ; rainfall simulation ; {V}ertisol}, journal = {{C}anadian {J}ournal of {S}oil {S}cience}, volume = {91}, numero = {4}, pages = {627--635}, ISSN = {0008-4271}, year = {2011}, DOI = {10.4141/cjss10096}, URL = {http://www.documentation.ird.fr/hor/{PAR}00007911}, }