352 SCHULTZ-SOEST.— Zur Vertilgung des Ackersenfs und 



des Hederich. 



Fuhling's Landw. Ztg. (1898), S. 393. 



A 15% solution of S. of I., applied at the rate of 400 1. per 

 hectare, is as strong as necessary. Oats are in no way injured 

 by the spray. 



353 SCHULTZ, ( ). — Zur Vertilgung des Ackersenfs und 



des Hederichs. 



Landw. Ztg. Westfalen u. Lippe, (1897), S. 329. 



Jahresber. Agr. Chem. 40, S. 406. 



A 30% solution of S. of I. using 1 cbm. per hectare, completely 



eradicated wild mustard in fields of Barley. Oats showed signs 



of poisoning and stood still in growth for fourteen days but 



recovered completely. 



Enough rain fell after spraying to wash off S. of I. 



'15% solution S. of I. is strong enough for the work. 



354 SCHULTZ, G. — Gegen den Hederich. 



Wchnbl. Laridw. Ver. Bayern, (1901), S. 399. 



355 SCHULTZ, G. — Zur Hederich vertilgung nach Prof. 



Weiss. 



Fuhling's Landw. Ztg., (1899), S. 690. 



356 SCHULTZ, G.- — Zur Hederichvertilgung. 



Landw. Ztg. Westfalen u. Lippe, (1901), S. 240. 



Jahresber. Agr. Chem. Bd. 44, S. 239. 



A 15% solution S. of I., applied at the rate of 125-150 1. per 



morgen successfully used. R. raphanistrum withstands. If does 



not destroy plants it prevents their blooming. 



357 SCHULTZ, G— Zur Hederichvertilgung nach Prof. 



Weiss. 



Landw. Ztg. Westfalen u. Lippe (1899), S. 273. 



Jahresber. Agr. Chem., Bd. 42 (1899), S. 351. 



A weed. killing mixture called "Hederichtot" containing 6.85% 



ferrous oxide. Consists practically of S. of I., gypsum and sand. 



358 SCHULZ, A.— Uber den Stoffbedarf und den Stoffumsatz 



des Kahmpilzes. 



Ann. der Oenologie, Bd. VII, S. 115-147- 



Just's Bot. Jahresber, (1877), S. 84. 



Classes iron as one of the unnecessary mineral components of 



plant. 



