In July after Fertilizer application, the total phosphorous in the 0-20cm depth of oats was higher than other forages. The total phosphorous in oats was lower than that forages in Jun, Agu, Sept restectively.

• 7月10日由于受施肥的影响,0-20cm土层燕麦地土壤全磷含量较其它牧草高,6,8,9月燕麦地全磷含量均较其它牧草低,且差异显著。