Investigations of growth-promoting factors in conditioned soybean root ceJls and in the Iiquid medium in which they grow: ammonium, glutamine, and amino acids1

Investigations of growth-promoting factors in conditioned soybean root ceJls and in the Iiquid medium in which they grow: ammonium, glutamine, and amino acids1 - Can. J. Bot., 52, p.1747-1755, 1973 .