144. = On Foreign Grain and Ploughs. 
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would have taken with the common mode of ploughing, 
for two ordinary ploughs, 12 days and an half, making 
- an actual saving of a half in men and horses, both as 
to time and labour, and the work equally well done.* 
Experiments have proved, that where the fall of rain 
is 20 inches per annum, as in the vicinity of Paris, the 
component parts of the earth for wheat, should be on 
50 parts, 25 parts silex, 15 parts calcarious, 10 parts” 
vegetable and animal matter, and argil. 
The earth of a field on the banks of the Seine, six 
leagues from Paris, at Draveil, has been analysed, and 
found to contain as follows : 
Silex, - “i Sy 25. 3 
Calcarious matter, “ - 14, 4 
Water, Vegetable and Animal Matter, Se40 
Oxide de fer, - O75 
Alumine, - . 0.57 
~ Oxide de Manganese, - - 0. Ol 
Sulfate de Potasse, - - 0. OL 
Loss, 2 - - . - - 0.24 
50. 
* The motive for furnishing the draft of Mr. Parker’s 
plough, merits and obtains our thanks. The results, and his 
course of crops, are highly exemplary. 
It will be seen that the plough which has obtained so 
much approbation in France, has been worked against the 
best English and French ploughs ; and is deemed superior 
to them. This being the case, apparently, it cannot be ac- 
counted an unfounded assertion, that the ploughs of this 
country, esteemed and used here by good farmers, are equal 
to those of Europe. They are superior in simplicity of con- 
