By Edward Solly, Esq. 



4~> 



No. 18. Manured with Guano at the rate of 16 cwt. 27 lbs. per 

 acre. The produce was, large tubers 9 lbs. 6 oz., small tubers 

 13 oz., total 10 lbs. 3 oz. The dry haulm weighed 1802 grains. 

 The tubers and haulm contained 



Tubers and Haulm. 



No. 19. Manured with Bone Dust at the rate of 76 bushels per 

 acre. The produce was, large tubers 10 lbs. 5 oz., small tubers 

 1 lb. 5 oz., total 11 lbs. 10 oz. The dry haulm weighed 2084 

 grains. The tubers and haulm contained 



Mucilage, Resin, Fat 



No. 20. Manured with Nightsoil at the rate of 5 tons per acre. 

 The produce was, large tubers 10 lbs. 14 oz., small tubers 5 oz., 

 total, 11 lbs. 3 oz. The dry haulm weighed 2456 grains. The 

 tubers and haulm contained 



Mucilage, Resin, Fatty matter, &c. . ^268 



No. 21. Manured with Nightsoil disinfected with Bleaching- 

 powder (Chloride of Lime) at the rate of 5 tons per acre. The 

 produce was, large tubers 7 lbs. 3 oz., small tubers 2 oz., total, 7 lbs. 

 5 oz. The dry haulm weighed 1152 grains. The tubers and 

 haulm contained 



No. 22. Manured with Nightsoil disinfected with Bleaehing- 

 powder and Sulphuric Acid at the rate of 5 tons per acre. The 

 produce was, large tubers 9 lbs. 5 oz., small 15 oz., total, 10 lbs. 



