134 



CHARLES B. LIPIVLIN 



Positive Investigations 



Name of investigator Place and date Plants and medium 



Loew Germany, 1892 



Loew and May Porto Rico, 1910 Cowpeas, privet, tobacco, bar- 

 ley, oats, wheat, beans. Wa- 

 ter, sand and soil cultures 



Furuta Japan, 1902 Cabbage, buckwheat, oats. Soil 



cultures 



K. Aso Japan, 1902 Barley, soy beans, onions. In 



pots 



K. Aso Japan, 1903 Mulberry tree. Pot experiments 



K. Aso Japan, 1904 Rice. Pot experiments 



Daikuhara Japan, 1903 Beans. In pots 



Nakamura Barley. In pots 



Loew and Aso Japan, 1905-6 



Daikuhara Japan, 1905-6 Barley. In pots 



Daikuhara Japan, 1905-6 Rice. In pots 



Daikuhara 1905-6 Tobacco plant. In pots 



Suzuki Japan In pots 



Maki and Tanaka Japan, 1906-7 Barley. In pots 



Namikawa Japan, 1906-7 Flax, spinach 



Nakamura Japan, 1907-8 Mulberry. In pots 



Kanomoto Japan, 1908-9 Oats, rice, barley, buckwheat, 



mustard, onions 



Sirker Japan, 1909 



Bernardini and Corso Italy, 1909 Wheat, rye, oats, rice, barley, 



maize, onions, spinach, flax, 

 cabbage 

 Bernardini and Continuation of work— nutritive 



Siniscalchi Italy, 1910 solutions and pot cultures; lu- 



pines, in pots 



Warthiadi Germany, 1912 Solution and sand cultures 



Robert Stewart Utah, 1912 



Voelcker England, 1912 Wheat. In pots 



Loew ....1913 Rice 



Negative Investigations 



Name of investigator Place and date Plants and medium 



von Portheim Vienna, 1901 Cress, sorrel, rye, barley, wheat, 



oats, larch and pine 



Gossel Marburg, 1903-4 Barley, horse beans. Water cul- 

 tures. Soil cultures 



Dojarenko Russia Oats. Infield 



Meyer Germany In pots 



Meyer Germany, 1911 Buckwheat, oats. In pots, clay 



loam, sand and loam 



