Auximones 



of weight and size attributable to a single element ? 

 It is proved that this increase is not simply due to 

 the quantity of water absorbed. But does it depend 

 in any way on the carbonic hydrates, the nitrogen, 

 or the ashes ? Analysis of a portion of the crop 

 would furnish most interesting evidence in this 

 respect. If the increase is influenced by the carbonic 

 hydrates it will be of value in the production of 

 sugar, potato fecula, starch, etc. 



If it concerns the nitrogen of the air the growth 

 is equally important because it will save us entirely 

 or partly from the need of buymg this manure. If 

 at the same time it concerns ash we shall have to 

 look for the dominant element of the ash to be able 

 to restore it to the soil, and eventually so that we can 

 import it. The questions connected with the form 

 in which manures ought to be administered to crops, 

 so that their nutritive value can be augmented in 

 the same or greater proportion, are equally important. 

 A great part of the problem, therefore, still remains 

 to be solved. No doubt a more complete knowledge 

 of the auximone will enable us to reach the solution 

 more quickly by indicating the lines on which 

 research with regard to its method of action should 

 be carried out. The question of auximones is 

 perhaps the most important that has ever arisen. 



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