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%.

其中蛋白质含或35％，小或2O%，灰分小或15％，钙含2．0-4．O％，总磷或0．8％，食盐含3．0-7.0%。