1846.] Liebig's Patent Manures. 307 



salt in the hundred parts), or with one part of carbonate of soda 

 and potash, mixed in equal parts. 



The second preparation is formed by fusing together one part 

 of phosphate of lime, one part of potash of commerce, and one 

 part of soda ash. 



Both preparations are ground to powder; other salts and ingre- 

 dients in the state of powder are added to these preparations and 

 mixed together, or those not of a volatile consistency may be 

 added when the preparations are in a state of fusion, so that the 

 manure may represent as nearly as possible the composition of the 

 ashes of the preceding crop. This is assuming that the land is 

 in a high state of cultivation; but if it be desired to grow a par- 

 ticular crop on land not in a high state of cultivation, then the 

 manure would be applied in the first instance suitable to the com- 

 ing crop, and then, in subsequent cases, the manure prepared 

 according to the invention would, as herein described, be applied 

 to restore to the land what has been taken therefrom by the pre 

 ceding crop. 



Preparation of Manure for Land which has had a Wheat crop 

 grown on and removed therefrom. — Take of the first preparation 

 six parts by weight, and of the second preparation one part, and 

 mix with them two parts of gypsum — one part of calcined bones — 

 silicate of potash (containing six parts of silica), and one part of 

 phosphate of magnesia and ammonia. 



And such manure is also applicable to be used after growing 

 barley, oats, and plants of a similar character. 



Preparation of Manure for Land which has had a crop of 

 Beans grown thereon, and removed therefrom. — Take fourteen 

 parts by weight of the first preparation; two parts of the second 

 preparation, and mix them with one part of common salt (con- 

 taining two parts of silica) — two parts of gypsum, and one part 

 of phosphate of magnesia and ammonia. 



And such manure is also applicable for land on which peas, or 

 other plants of a similar character, have been grown and re- 

 moved. 



Preparation of Manure for Land on which Turnips have been 

 grown, and removed therefrom. — Take twelve parts by weight of 

 the first preparation, one part of the second preparation, one 

 part of gypsum, and one part of phosphate of magnesia and am- 

 monia. 



And such manure is also applicable for land where potatoes or 

 similar plants have been grown and removed. 



The patentee has selected the above cases, because they repre- 

 sent the chief of the products cultivated in this country; and in 

 doing so, such average preparations are given as will be benefi- 

 cial in most, if not in all cases, as manure, to be used after the 



