ELEMENTS OF MANURE. 355 



II. Manure prepared during the winter of 1837-1838 : 



Matter 0.575. gave carbonic acid 0.676, water 0.212 : C 32.5, H. 4.1, 

 Azote 1.69.— 1.000 gave ashes 0.357. 



III. Manure prepared during the winter of 1837-1838: 



Matter 0.567. gave carbonic acid 0.791, water 0.232 : C. 38.7, H. 4.5, 

 Azote 1.73.— 1.000 gave ashes 0.264. 



IV. Manure prepared during the spring of 1838 : 



Matter 0.586, gave carbonic acid 0.759, water 0.208 : C. 36.4, H. 4.0, 

 Azote 2.4.-1.000 gave ashes 0.381. 



V". Manure prepared during the spring of 1839 : 



Matter 0.445, gave carbonic acid 0.643, water 0.171 : C. 40.0, H. 4.3, 

 Azote 2.4.— 1.000 gave ashes 0.257. 



VI. 



Matter 0.427, gave carbonic acid 0.543, water 0.150 : C. 34.7, H, 3.9. 

 " 0.427, " " 0.530, " 0.127 : " 34.3, " 4.8, 



Azote 2.0.— 1.000 gave ashes 0.315. 



COMPOSITION OF THE MANURES ANALYZED. 



Carbon. Hydrog'en. Oxygen. Azote. Sails and earth*. 



I. 32.4 3.8 25.8 1.7 36.5 



II. 32.5 4.1 26.0 1.7 35.7 



III. 38.7 4.5 28.7 1.7 26.4 



IV. 36.4 4.0 19.1 2.4 38.1 

 V. 40.0 4.3 27.6 2.4 25.7 



VI. 34.5 4.3 27.7 2.0 31.5 



Mean . . . 35.8 4.2 25.8 2.0 32.2 



In all these analyses, the combustion was promoted by the addi- 

 tion of chlorate of potash ; some oxide of antimony was likewise 

 added. The carbonic acid of the ash was determined and struck off. 



The measure of dung in use at Bechelbronn is the wagon drawn 

 by four horses. After repeated weighings it was found that this 

 measure contains nearly 1 ton, 15 cwts. 2 qrs. 23 lbs of moist material, 

 or 7 cwt. 1 qr. 15 lbs. if that be computed dry. The first course of 

 the rotation receives 27 loads of this manure, weighing about 48 tons, 

 14 qrs. 5 lbs , equivalent to 9 tons, 19 cwts. qr. 2 lbs. of dry ma- 

 nure.* 



The preceding analyses show that this charge of manure, which 

 is to fertilize the soil during the course of the rotation ^five years) 

 contains : 



Carbon 8027 lbs. 



Hydrogen 925 



Oxygen 5767 



Azote 447 



Salts and earth 7188 



22355 



Such are the principles which together form the organic matter 

 that is to be consumed and in major part assimilated by the crops 



* I presume that the quantity above specified is that which is laid on the French 

 hectare, equal to 2.4 acres EngUsh. To get at the quantity laid on per acre, it would 

 therefore be necessary to divide by 2 4-10 : Thus 48 tons, 14 cwts. 5 lbs. per hectare 

 will be equal to 20 tons, 1 cwt. 3 qrs. per English acre.— Eno. Ed. 



