The content of autunite is between 2% to 4%, and the content of phosphor is over or equal to 0.8%;The content of salt is between 3% to 7%.

其中蛋白质含量大35％，纤维小2O%，灰分小15％，钙含量2．0-4．O％，总磷大0．8％，食盐含量3．0-7.0%。