Vlll 



Agricultural Analysis 



PART III 



THE ESTIMATION OF NITROGEN 



Introductory . 



Permanent apparatus . . . 

 The soda lime process 

 The sulphuric acid method . . 

 Estimation of N in presence of 

 nitrates .... 



PAGE 



56 

 56 

 58 

 61 



66 



Nitric, ammoniacal, and organic 



nitrogen . . . .68 

 The estimation of nitric nitrogen 69 

 Ulsch's method . . . . 69 

 Schloesing's method . . 70 

 Lunge's nitrometer method . 80 



PART V 

 7HE ANALYSIS OF FEEDING MATERIALS 



Oil cakes 

 "Feeding meals 

 Grass and hay 



92 



102 

 104 



Silage 

 Roots 



no 

 in 



PART VI 



THE ANALYSIS AND VALUATION OF MANURES 



