Alfalfa, Nitrogen-Fixing Roots, & Green Manure

Bert Aikman>UIS Collection A's>UIS Collection, Segment 7

Alfalfa, Nitrogen-Fixing Roots, & Green Manure,

duration 01:09

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CROPS
Describes "inoculation" of alfalfa that was necessary for it to grow properly. Sweet clover grown for green manure, a natural fertilizer.