CHAPTER XXXVII.
Bone-Dust and Superphosphate of Lime.-- Bone furnishes Nitrogen as well as Phosphate of Lime.-- Increasing the Availability of Bone with Sulphuric Acid. 314
Bone-Dust and Superphosphate of Lime.-- Bone furnishes Nitrogen as well as Phosphate of Lime.-- Increasing the Availability of Bone with Sulphuric Acid. 314