Tabic No. 2. The Ammonifying Efficiency of Certain Colorado Soils. 
Total nitrogen used —100 mgs. Per cent, nitrogen recovered as''ammonia in 7 days from: 
Cottonseed meal Dried blood Alfalfa meal Flaxseed meal 
Character Per cent. Per cent. Per cent. Per cent. 
l8 
Colorado Experiment Station. 
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