42 



VARIOUS TRIALS. 



SULPHATE OF MANGANESE AS A MANURE. 



Mangolds. Great Harpenden Field, 1914. 



The Nitrolim, Nitrate of Lime and Nitrate of Ammonia each contained 27 lb. Nitrogen. 

 * In this case 25 lb. of Sulphate of Manganese was applied per acre. 



Little Hoos Field Green Manured Plots. Barley, 1914. 



Previous Crops: Green Manuring, 1904-6, 1908 and 1909, 1911, 1913; 

 Wheat, 1907, 1910, 1912. 



