242 



0)1 the Application of Manures. 



analogy tend to suggest, and relieve us from the necessity of 

 resorting to a supposition so paradoxical as that of attributing to 



Experiment I. 



Lotus Tetkagonolobus. 



780 grs. of the seeds containing . . . 



Being planted in a greenhouse, 



1. In sulphate of strontian.''' 

 Produce when dried 4002 grs. 



2. In Carrara marble. 

 Produce dried being 2233 grs. 



3. Sea-sand. 



Produce when dried 1135 grs. 



In a garden, 



1. In sulphate of strontian. 

 Produce when dried 4862 grs. 



2. Carrara marble. 



Produce when dried 3267 grs. 



3. Sea sand. 



Produce when dried 2957 grs. 



4. Common garden mould. 

 Produce when dried 5267 grs. 



Ashes. 



30 



60-0 

 67-5 

 34-3 



94-0 

 64-5 

 67-0 

 82-25 



Portion 

 In water 



5-2 



very small 

 1«8 

 4-1 



0-72 



a trace 

 a trace 

 16*8 



soluble Portion insoluble 

 Nitric acid. ^'^ these menstrua. 



3-4 



17-15 

 20-9 

 6-0 



27'2 

 28*2 

 16-0 

 13-85 



only a trace 



not estimated 

 not estimated 

 not estimated 



not estimated 

 1-5 

 8-8 

 5-0 



* The sulphate of strontian was far from pure, and therefore might easily furnish the eartliy 

 ingredients which the plants contained. 



Experiment II. 







Portion soluble 





Ashes. 



In water. 



Nifric acid. 



Lotus Tetkagonolobus. 











23-0 



4-0 



2-6 



Planted in a greenhouse, and ivatered 









with a solution of nitrate of stro7i- 









tian, containing 2 ounces of the salt 









#0 10 gallons of water. 









1. In sulphate of strontian. 









Produce [Parts above ground 170 



22 



6-65 



2-65 





40 



0-48 



5-60 



277 



62 



7-13 



8-25 



2. In Carrara marble. 









Producer Parts above ground 150 



19 



3-70 



16-3 





34 



3-20 



37-0 



302 



53 



6-90 



53-3 



3. In washed sea-sand. 









Produce (Parts above gromid 34 



5 



2-3 



1-4 





6 



1-4 



1-7 



134 



11 



3-7 



3-1 



4. In flowers of sulphur. 









Producej Parts above ground 100 



6 



2-6 



2-9 





5 



2-6 



1-9 



208 



11 



5-2 



4-8 



