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探讨了旱地小麦磷肥施用量、氮肥水平、降雨、土壤基础肥力、磷肥施用深度等因素对磷肥肥效发挥的影响和旱地磷肥适当浅施（１０～１５ｃｍ）的增产机理。
The effects of phosphate fertilizer application rate, nitrogen fertilizer level, rainfall, soil basic fertility and application depth of phosphate fertilizers on the fertilizer efficiency of dryland wheat and the appropriate increasing mechanism (10 ~ 15cm) of phosphorus fertilizer in dry land were discussed.