12 



WHEAT. BROADBALK FIELD, 1910. 

 (See ''Guide," page 26, Table XIV.) 



Produce by Ammonium Salts. f Produce by Minerals. 



(Ij Commenced in 1906. 



BARLEY. HOOS FIELD, 1910. 

 (See ''Guide,'" page 33, Table XVI.) 



