SU REPORT OF THE BOTANIST OF THB . 
RESULTS OF EXPERIMENTS IN 1897. 
SERIES I.—SULPHUR AND LIME, EQUAL PARTS, IN DRILLS, 
YIELD IN POUNDS. 







Pia ft) : Increase 
per acre Percent- 
PLAT Per acre due to aze of 
(1-58 a ). TREATMENT. Per plat. (computed) treatment. increase. 
A 1500 Ibs. per acre... 588 34,151 5,924 21 
Bo Oheek woe. ees steiamiotete 486 28, 227 
C 1200 Ibs. per acre..... : 559 32,467 10,135 45 
DiS ORCCK soar, cease oe Sata 884% Day OOe 
EH 1000 Ibs. per acre. :.... 525 30, 492 8,451 38 
AY) (CHECK Aware ee ae 37916 22,041 
G 6500 lbs. per acre...... 516% 29,998 11,616 63 
BE CROCK e pe tn toe Mea ae 316% 18,382 
I 250 .Ibsi-per acre. ...5. ‘ 416% 24,190 15,013 16314 
J Check }..30i% \ Valente teh e 158 CPL 
Ko 125-18, (per-aelre.. s5 ces 438 25,439 14,810 189 
LvceOneck tes io, camara 183 10, 629 | 
Average yield of six treated plats... ..c.cceccccecee os 507 Ibs. 
Average ‘yield of six check plates, .teune sie cere 318 lbs. 
Average increase per plat due to treatment........ : 189 Ibs. 
Average increase per acre due to treatment........ 10,977 Ibs. 
RESULTS OF EXPERIMENTS IN 1897, 
SERIES II.—SULPHUR IN DRILLS. 
YIELD IN POUNDS. 
ae ican ns Trareuia 
per acre Per cent- 
PLAT Per acre dae to age of 
(1-35 a.). TREATMENT. Per plat. (computed), treatment. increase 
M. '» 500 lbs.{per.acrei.4 ses. 821% 28, 752 4,147 16.85 
IN eek ea arun is sie tS 703 24, 605 
O 750 lbs. per acre..... ee 702% 24,588 2,818 13 
PE  GReleiae We ante wens ae 622 VA Bae (L 
Q 1000 lbs. per acre..... ; 6551 22,943 {,193 45.67 
Ri) GUCCKS:, os atoms 2 Sheva 450 15, 750 
S 1200 Ibs. per acre. ..... 536 18, 760 6,825 oT 
TT. Che CK Gita tie cce eiaieinn ts 341 11,935 
Average yield of four treated plats...... arate te/ace < aete te 679 Ibs. 
Average yield of four check plats....... ra ES Ns 529 Ibs. 
Average increase per plat due to treatment....... an 150 Ibs. 
Average increase per acre due to treatment. .....e.. 5250 Ibs. 
Comments on results of the experiments in 1897.—The results — 
of the experiments in 1897 plainly show that onion smut may be 
prevented to a considerable extent by the application of sulphur 
