Summary of Bulletin No. 94.
NITROGEN BACTERIA AND LEGUMES (With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils) .
The Nitrifying Bacteria.
The Nitrogen-Gathering Bacteria.
The Red Clover Bacteria.
The Cowpea Bacteria.
The Soy Bean Bacteria.
The Alfalfa and Sweet Clover Bacteria.
Conclusions.
