18 VEGETABLE GARDENING. 



Composition of Commercial Fertilizing rXaterials,— (Continued.) 





Mois- 

 ture 



Nitro- 

 •gen. 



Pot- 

 ash. 



Phosphoric acid. 



Lime. 



Solu- 

 hie. 



Re- 

 verted. 



Total. 





Per ct. 



12.09 

 13.32 

 50.00 

 60.00 

 2.00 

 7.60 

 1.93 

 1.40 



8.54 

 61.50 

 14.81 



2.25 



Per ct. 



10.44 

 0.76 

 1.10 

 0.40 



Per ct. 



Per ct. 



Per ct. 



Per ct. 



2.07 

 21.88 

 0.10 

 0.10 



Per ct. 



Mono Island Guano. 







7.55 



37.49 



0.15 

 0.35 

 51.48 





Mud (salt) 







0.90 



Muriate of potash.. 

 Navassa phosphate 

 Nitrate of potash... 

 Nitrate of soda 













34.27 



37.45 



13.09 

 15.70 



12.12 

 0.85 

 7.35 



45.19 















Oleomargarine re- 









0.88 

 0.08 

 15.30 



24.50 





Peat 



0.18 

 2.65 









Peruvian guano 



3.20 



4.10 





Phosphates from 

 Florida 



28.50 

 20.93 



1.58 













Sewage sludge 

 (precipitated).. 

 Soot 



88.49 

 5.54 



3.61 

 63.06 



1.00 



4.75 



2.54 

 10.00 



6.18 

 10.00 



0.05 



0.05 

 1.83 



2.04 

 3,25 







0.10 







Spent tan bark 









1.61 



33.46 

 1.14 





1.19 

 20.50 







Sulphate of am- 

 monia 









Sulphate of potash 

 and magnesia... 



Sulphate of potash 

 (high grade).... 



25.50 

 33.40 









2.57 











6.70 

 3.71 

 2.35 



0.30 



5.10 



11.80 

 0.65 

 0.70 







5.02 

 8.20 

 3.92 

 *1.20 



2.22 

 4.20 

















15.80 



6.50 











11 









*Sometimes as high as 5 per cent, 



fNova Scotia plaster contains 94 per cent pure gypsum and 4 per 

 cent carbonate of lime; Onondaga and Cayuga, 65-75 per cent gypsum 

 and 18-28 per cent carbonate of lime. 



Animal Manures.— Manure from the same animals may 

 vary greatly in quality according to the kind of food and the 

 condition and age of the animals from which it comes. Fat 

 animals fed on food rich in nitrogen (grains) produce the best 

 manures. Young growing animals that are fed on poor food, 

 such as straw, swale hay, etc., produce very inferior manure. 

 The manure from young growing animals or from milking cows 

 is much inferior to that from fat steers, since, in the case of 



