103 



R. = roots. 



L. = leaves. 



From 1904 onwards plot 4 N has been divided, 4a receiving Sulphate of Potash. Sulphate of 

 Magnesia, Sodium Chloride and Nitrate of Soda; 46 receiving Calcium Chloride, 

 Potassium Nitrate and Calcium Nitrate. 



+ In 1923 plot 4 in series A, N, AC and C were lifted on Nov. 22nd in good condition, 

 remainder of the plots were lifted Dec. 10th — 15th after several severe frosts. 



The 



