378 SPRENGEL, C— ( .) 



Allg. Landw. Monatschriften, Bd. I Jahrg. (1840), S. 207. 

 Notes occurrence of S. of I. in moorsoil. Small quantity not 

 harmful; on the contrary, on clover like plants, Rape, Flax, etc., 

 S. of I. works as well as gypsum. 



379 STAES, G.— (Chlorosis in Plants.) 



Tijdschr. Planteiiziekten, 4 (1898), No. 4, p. 97. 

 E. S.iR. 10, 1058. 

 Recommends S. of I. 



380 STEBBINS, C. W.— Pear Blight. 



Fla. Disp., Farmer & Fruit Grower, new ser., Vol. IV, (1892), 

 p. 163. 



Says blight was cured by sprinkling tree with solution S. of I., 

 one tablespoonful to a bucket of water. Some put on ground 

 and hoed in. (Quoted from "National Stockman.") 



381 STEGLICH, ( ). — Zur Vertilgung von Hederich und 



Ackersenf mit Eisenvitriol. 



Wurttemb. Wchnbl. Landw. (1898), S. 383. 



Jahresber. Agr. Chem., Bd. 41, S. 319. 



A 20 per cent solution kills Charlock and Wild Mustard when 

 only a few drops strike the plants. The plants turn black, 

 dry, and die inside of a week. 



Young cereals show poisonous effect but recover in 8-14 days. 

 Young clover badly burned and apparently injured. Quotes 

 Strebel who used a 15 per cent solution. 



382 STEGLICH, B. — Untersuchungen und Beobachtungen 



liber die Wirkung verschiedener Salzlosungen 

 auf Kulturpflanzen und Unkrauter. 



Zetschr. Pflanzenkrank. Bd. 11. (1901), S. 31. 



E. S. R. 13, 253. 



Used 20 percent solution S. of I. Beets somewhat injured, Po- 

 tatoes seriously injured. 



383 STEGLICH, ( ). — Eisenvitriollosung oder Vitriolpulver 



gegen Hederich? 



Sachs. Landw. Ztschr. (iooo), S. 217. 

 Jahresber. Agr. Chem. 43, S. 352. 



Action of dry powders (weed killers) is doubtful. Young Clov- 

 er injured and in part killed by S. of I. Old Clover withstands 

 the treatment and outgrows slight injury in very short time. 



