201 JOURNEE, C. (Destruction of Charlock by Spraying 



with Solutions of Iron and Copper Sulphate.) 

 Agronome, 1899, p. 435. 

 E. S. R. 12, p. 351. 



202 KEISER, ( ). — Zur Frage des richtigen Zeitpunktes zur 



Hederich — Vertilgung. 



Nass. Landw. Zetschr. (1899), S. 252. 



Charlock need not be sprayed with S. of I. solution at too early 

 stage for the weed is injured even when in bloom. 



203 KELLNER, O. — Untersuchungen iiber die Wirkungen 

 des Eisenoxyduls auf die Vegetation. 



Land. Vers. Stat. (1886), S. 365-370. 



204 KING, WM. R.— Mai di Goma. 



Bui. No. 4, U. S. Dept. Agr., Division Pomology, (1891), p. 18-19. 

 Quotes from M. E. Gillett, Florida, recommending a mixture of 

 I pk. Fresh Lime, 



4 lbs. Sulphate of Iron, 



5 lbs. Sulphur, 



1 gal. Carbolic Acid (crude). 

 Water to slake the lime. 



A reasonably effective mixture applied to fruit trees on pine 

 lands. While does not always cure, it has checked the disease. 



205 KLEBS, G. — Ueber die Organisation der Gallerte bei eini- 

 gen Algen und Flagellaten. 



Untersuchungen aus dem botan. Institut zu Tubingen Bd. II., 

 S. 383. 



Demonstrated the iron content of Closterium species. (Didy- 

 motocum angustatum, striolatum). 



206 KLOCKE, E. — Hederichvertilgung mit Eisenvitriol und 

 die Syphoniaspritze. 



Fiihling's Landw. Ztg. 1898. S. 625. 



Experimented with Oats using a 25 per cent solution and 60 litres 

 per Morgen. The charlock was in bloom and had overgrown 

 the Oats. Charlock was killed and the oat plants slightly touched 

 but recovered and grew with unexpected vigor. 



