Status of soil phosphorus and rational application of phosphorus fertilizer were studied by field trials.Results abtained showed that (1) variation of soil total P and available P contents were both increasing from the north to south and the contents of different soils were in the following order:irrigation warped soil>manured loessial soil,cinnamon soil,dark loessial soil>yellow cultivated loessial soil,sieroezm,chestnut soil>seolion sandy soil.