MANURES 



57 



Useful Factors— cont. 



Amount of 



Phosphoric (anhydride) 



(P.O.). 

 Do. 



Do. 



Do. 



Soluble monocalcic phos- 

 phate (CaH 4 2P0 4 ). 

 Anhydrous monobasic 



phosphate (Ca 2 PO s ). 

 Lime (CaO) 

 Do. 

 Do. 

 Magnesia (MgO) ... 



Do. 

 Chlorine 



Multiplied Gives corresponding 

 by amount of 



2*183 Tricalcium phosphate 



1*4 Anhydrous mono- 



basic phosphate. 



1*648 Soluble monocalcic 

 phosphate. „ 



2*555 Tetracalcic (slag) 

 phosphate. 



1*325 Tricalcic phosphate. 



1-566 Do, 



1845 Do. 



1*786 Calcium carbonate. 



2*43 Do. sulphate. 



2 09 Magnesium carbonate 



3 Do. sulphate. 

 1*648 Sodium chloride. 



