278 Anmml Report for 1914 of the Consulting Chemist. 



This cost 4:1. per ton, and was intended for use for hop- 

 manuring in Kent. It was unusually free from sand and dirt, 

 and was quite worth the price. 



5. Sud-cake. 



This — a refuse of wool-washing — has a certain manurial 

 value. The following is the analysis of a material of this kind 

 which was obtainable in Yoi-kshire for a few shillings a ton. 

 It was quite worth getting : — 



Moisture 2*44 



^Organic matter. ...... 32'21 



Oxide of iron and alumina .... 6'84 



Phosphoric acid ...... "30 



Lime ........ "28 



Alkalies, &c -59 



Insoluble siliceous matter . .... 57'34 



' Containing nitrogen . 

 equal to ammonia . 



100-00 



2-02 

 2-52 



This was obtainable locally (in Shropshire) at 45s. per ton, 

 and could not be called dear. Such material is valuable, 

 especially on light land, for the sake of the vegetable matter 

 which it contains, as well as for the Nitrogen supplied. 



7. Farmyard Manure. 



Material of this kind must vary very greatly, especially when 

 it has to be obtained by purchase. The following analyses will 



