140 



Acid phosphate of lime 400 Icilogrtiins, ^^'orth 52 francs. 



Chloride of potassinni 200 Icilograms, worth 50 francs. 



Sulphate of ammonia 390 Idlograms, wortii 105 francs. 



Sulphate of lime '210 kilograms, ^Yorth 4.20 " 



301.20 frs. 



Cost per hectare = 301.20 francs = $54.52. 



By ih^, term "acid phospliate of lime" we suppose the author means 

 bone meal or ground mineral phos]>hate of lime, reduced to a soluble 

 form by tlie addition of half the weight of sulphnric acid. 



The Fouilleton du Journal des D^bats of February 7, 1S72, gives 

 an account of several institutions throughout Germany, France, Italy, 

 and other parts of Europe, whicii are said to reiuler very great and 

 efficient service to agriculture. Tliey are styled agricultural stations, 

 and have for their object the promotion and diffusion of agricultural 

 science, and the protection of ])racti('al farmers from frauds practiced 

 upon them by dealers. To attain tliis object they devote themselves 

 to the prosecution of different experiments in vegetable and animal 

 i:)hysiology, the analysis of soils and fertilizers, and all the different pro- 

 ducts which are presented to them by the practical husbandman. They 

 have a double mission imposed, that of being both theoretical and prac- 

 tical : they must work up the scientific theories and discoveries and put 

 them in such a shape as to bo understood and utilized by farmers. A 

 much better idea of their object will be conveyed by giving the different 

 heads into vrhich M. Grandeau has grouped tlie work pursued by the 

 different stations. They are as follows: 



1st. Researches and experiments upon the production of vegetables and 

 animals. The woril production is here taken in its broadest sense. It 

 comprehends at once the researches upon the different branches of ani- 

 mal and vegetable physiology, zootechny, physiological chemistry, and 

 vegetation meteorologically considered, 



2, Informal lectures involving the principles of agricultural science, 

 and communicating results of work in .field and laboratory. 



3d. Publication of the successful labors of the several stations in 

 annual cr periodical reports. 



4th. Special researches and analyses of earth, water, and fertilizers, 

 for their peculiarities. 



Further, there are stations which devote themselves to examina- 

 tions not less necessary than those of fertilizers, viz : that of seeds. 

 Tlie stations devote themselves to the study of the la\^'s which regulate 

 the development of all organized beings. But, says jM. Grandeau, in 

 order to do this with success they should not only be provided with 

 sfifficient means and material, but should also be directed by men of 

 tried capacity, versed in the knowledge of the natural sciences, and 

 l)reparo<l by special studies for the accomplishment of the important 

 mission confided to them. In the last connection, he says one should 

 not undertake this without the exp«(;tation of repulse. In tlie begiu- 

 iiing all the stations devoted themselves to the general study of animal 

 and vegetable pliysiology, but finding the field too comprehensive, they 

 concluded that it would be uuich more profitable to make a division and 

 specialization of the work. After that tbey each, having a particular 

 subject assigned them, occupied 'themselves with ditferent branches. - 

 Thus tlie stations of Weisbaden and Ivloster-Keubourg devote them- 

 selves to grape culture ami wiuo nuinufacture; those of Brunswick and 

 Mariabruun to wood culture; those of Gorze to silk culture. The sta- 



