46 On the Inorganic Constituents of Plants, 



4 oz. The dry haulm weighed 1968 grains. The tubers and 

 haulm contained 



No. 23. Manured with Nightsoil disinfected with Bleaching- 

 powder and Sulphate of Iron at the rate of 5 tons per acre. 

 The produce was, large tubers 7 lbs. 2 oz., small tubers 13 oz., 

 total, 7 lbs. 15 oz. The dry haulm weighed 1412 grains. The 

 tubers and haulm contained 



Dry Haulm 8874 1126 Mucilage, Resin, Fatty matter, &c. . ^537 



No. 24. Manured with Nightsoil disinfected with Sulphuric 

 Acid, at the rate of 5 tons per acre. The produce was, large 

 tubers 9 lbs. 14 oz., small tubers none, total 9 lbs. 14 oz. The 

 dry haulm weighed 2029 grains. The tubers and haulm 

 contained 



milage, Resin, Fatty matter, &c. . 458 



No. 25. Manured with Sulphur at the rate of 2 cwt. 78 lbs. 

 per acre. The produce was, large tubers 9 lbs. 1 oz., small 

 tubers, none, total 9 lbs. 1 oz. The dry haulm weighed 2510 

 grains. The tubers and haulm contained 



No. 26. Manured with the Refuse Ammoniacal Water of the 

 Gas Works, at the rate of 800 gallons per acre. The produce was, 

 large tubers 5 lbs. 6 oz., small tubers 12 oz., total 6 lbs. 2 oz. 



