MANURES 



MANURES. 



Average Analyses of Cattle Manure. 



One cartload of farm-yard manure (10 cwt. or half a ton) 

 will contain — 



5 to 8 lb. nitrogen. 

 5 to 8 lb. potash. 

 2 to 4 lb. phosphoric acid. 

 Measurements made at the Central Farm with pitted 

 dung and large box carts give the following : — 



One cart holds 15-20 cubic feet. The weight of 1 cubic 

 foot is 70 to 80 lb. 



Manure produced by Stock per annum. 



A pair of animals may be expected to produce 3 tons of 

 farm-yard manure in twelve months, including litter and 

 moisture. The figure naturally varies considerably. 



Nitrogenous Manures. 



Nitrogen is the most important constituent in the cakes 

 which form so important a manure for many crops. This 

 substance can also be purchased alone in various forms. 

 The following shows the percentages of nitrogen, they 

 should contain — 



Nitrate of Soda— 15-16 per cent. 



Nitrate of Potash — 13 per cent. 



Nitrate of Lime— 13 per cent. 



Sulphate of Ammonia— 20-21 per cent. 



Calcium Cyanamide (Lime Nitrogen : Nitrolim) — 

 20 per cent. 



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