@article{fdi:010053892, title = {{A}cquisition of phosphorus and other poorly mobile nutrients by roots. {W}here do plant nutrition models fail ?}, author = {{H}insinger, {P}. and {B}rauman, {A}lain and {D}evau, {N}. and {G}erard, {F}. and {J}ourdan, {C}. and {L}aclau, {J}. {P}. and {L}e {C}adre, {E}. and {J}aillard, {B}. and {P}lassard, {C}.}, editor = {}, language = {{ENG}}, abstract = {{I}n the context of increasing global food demand, ecological intensification of agroecosystems is required to increase nutrient use efficiency in plants while decreasing fertilizer inputs. {B}etter exploration and exploitation of soil resources is a major issue for phosphorus, given that rock phosphate ores are finite resources, which are going to be exhausted in decades from now on. {W}e review the processes governing the acquisition by plants of poorly mobile nutrients in soils, with a particular focus on processes at the root-soil interface. {R}hizosphere processes are poorly accounted for in most plant nutrition models. {T}his lack largely explains why present-day models fail at predicting the actual uptake of poorly mobile nutrients such as phosphorus under low input conditions. {A} first section is dedicated to biophysical processes and the spatial/temporal development of the rhizosphere. {A} second section concentrates on biochemical/biogeochemical processes, while a third section addresses biological/ecological processes operating in the rhizosphere. {N}ew routes for improving soil nutrient efficiency are addressed, with a particular focus on breeding and ecological engineering options. {B}etter mimicking natural ecosystems and exploiting plant diversity appears as an appealing way forward, on this long and winding road towards ecological intensification of agroecosystems.}, keywords = {{E}cological intensification ; {M}icroorganism ; {M}odelling ; {P}hosphorus ; potassium ; {R}hizosphere ; {F}acilitation}, booktitle = {}, journal = {{P}lant and {S}oil}, volume = {348}, numero = {1-2}, pages = {29--61}, ISSN = {0032-079{X}}, year = {2011}, DOI = {10.1007/s11104-011-0903-y}, URL = {https://www.documentation.ird.fr/hor/fdi:010053892}, }