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%.

其中粗蛋大于或等于35％，粗纤维小于或等于2O%，粗灰分小于或等于15％，钙2．0-4．O％，总磷大于或等于0．8％，食盐3．0-7.0%。