Dynamics of Available Phosphorus in Rhizosphere and Bulk Soil of Wheat under Intercropping

Through field experiment,we studied the dynamics change of phosphorus in rhizosphere and bulk soil under wheat and faba bean intercropping and wheat monoculture,and the effects rhizosphere and bulk soil phosphorus under wheat and faba bean intercropping and wheat monoculture.The results showed that there was consistency in each growth date of rhizosphere soil phosphorus under wheat intercropping and monoculture,the bulk soil phosphorus content was highest in filling under wheat monoculture,and reached the highest in tilling under wheat intercropping.In wheat and faba bean intercropping,the rhizosphere soil phosphorus content of wheat was increasing from tilling stage to filling stage,and the rhizosphere and bulk soil phosphorus content in maturity was dramatically bringing down.The rhizosphere soil phosphorus contents of wheat increased by 6.81%,8.71% and 12.95% in jointing,tilling and filling stages,respectively,and reduced by 21.11% in maturity stage.