@article{PAR00008683, title = {{M}ethods to estimate aggregate protected soil organic carbon, 2 : does the grinding of the plant residues affect the estimations of the aggregate protected soil organic carbon ?}, author = {{C}hevallier, {T}iphaine and {B}lanchart, {E}ric and {T}oucet, {J}o{\¨e}le and {B}ernoux, {M}artial}, editor = {}, language = {{ENG}}, abstract = {{A} method to estimate the amount of soil organic carbon ({SOC}) physically protected within macroaggregates (>200 mu m) consists of crushing soil samples and measuring the following {SOC} mineralization increase. {T}his study investigated the effect of grinding the plant residues during soil crushing on the calculated amount of the protected {SOC} on two tropical soils ({A}renosol and {F}erralsol). {I}ncubations of crushed and uncrushed soil samples amended with ground or unground plant residues were conducted. {O}ur results showed that soil crushing increased {SOC} mineralization and that the presence of plant residues enhanced soil respiration also. {T}he plant residues of the two soils had different decomposition rates, but grinding plant residues did not increase the amounts of cumulative carbon ({C}) mineralized after the 28 days of the experiment. {W}e propose that the extra {C} mineralized after soil crushing is due to the breakdown of the soil structure and not to the grinding of plant residues.}, keywords = {{M}ineralization ; plant residues ; soil crushing ; soil organic matter ; protection ; tropical soil}, booktitle = {}, journal = {{C}ommunications in {S}oil {S}cience and {P}lant {A}nalysis}, volume = {42}, numero = {13}, pages = {1537--1543}, ISSN = {0010-3624}, year = {2011}, DOI = {10.1080/00103624.2011.581722}, URL = {https://www.documentation.ird.fr/hor/{PAR}00008683}, }