13G 
Effects of different Manures on the 
Plot 3 a. — Superphosphate of lime ; composed of 200 lbs, 
bone-ash, and 150 lbs. sulphuric acid of sp. gr. 1"7. 4th 
season, commencing in 1859 ; sawdust alone the three 
previous seasons. 
Plot 3 h. — Superphosphate of lime ; and 400 lbs. ammonia- 
salts (equal parts sulphate and muriate of commerce, sup- 
plying about 82 lbs. nitrogen per acre). 4th season, 
commencing in 1859 ; the three previous seasons sawdust 
alone. 
Plot 4. — 400 lbs. ammonia-salts. 
Plot 5. — 400 lbs. ammonia-salts ; and 2000 lbs. sawdust. 
Plot 6, — 275 lbs. nitrate of soda of commerce (containing- 
about 41 lbs. nitrogen). 5th season, commencing 1858. 
Plot 7. — 550 lbs. nitrate of soda (containing about 82 lbs. 
nitrogen). 5th season, commencing in 1858. 
Plot 8. — Mixed mineral manure, composed of — 
300 lbs. sulpliate of potass. 
200 lbs. sulphate of soda. 
100 lbs. sulphate of magnesia. 
Superphosphate of lime, as above. 
Plot 9. — Mixed mineral manure; and 2000 lbs. sawdust. 
(The mixed mineral manure as Plot 8 to 1861 inclusive, 
and in 1862 the sulphate of potass excluded, and the 
amount of sulphate of soda raised to 500 lbs.) 
Plot 1 0. — Mixed mineral manure, as Plot 8 ; and 400 lbs, 
ammonia-salts. 
Plot 11. — Mixed mineral manure, as Plot 9 : and 400 lbs. 
ammonia-salts. 
Plot 12 a. — Mixed mineral manure, as Plot 8; 400 lbs. 
ammonia-salts ; and 2000 lbs. cut wheat-straw. 
Plot 12 i. — Duplicate of Plot 12 a, but rather sheltered on 
the west by trees. ^ 
Plot 13 a. — Mixed mineral manure, as Plot 8 : and 800 lbs. 
ammonia-salts, equal about 164 lbs. nitrogen (only 400 lbs. 
ammonia-salts in 1859, 1860, and 1861). 
Plot l?>b. — Mixed mineral manure, as Plot 13 a, to 1861 
inclusive; the same with 200 lbs. silicate of soda and 
200 lbs. silicate of lime in addition in 1862 ; and 800 lbs. 
ammonia-salts (only 400 lbs. ammonia-salts in 1859, 1860, 
and 1861). 
Plot 14. — Mixed mineral manure, as Plot 8 ; and 275 lbs. 
nitrate of soda. 5th season, commencing in 1858. 
Plot 15. — Mixed mineral manure, as Plot 8; and 550 lbs. 
nitrate of soda. 5tli season, commencing in 1858. 
