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: Fertilizer
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: Changes in Farming Methods
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: Productivity
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Clip Search: Fertilizer, Changes in Farming Methods, Productivity
4 results
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NIU Collection, Segment 2
SEGMENT: FARM BUSINESS & CHANGES IN FARMING METHODS
: Audio duration 11:06
Improve Hybrid Corn Yields: Add Fertilizer & Pesticides
: duration 00:31
NIU Collection, Segment 5
SEGMENT: CHANGES IN FARMING METHODS, ACTIVITIES, & ORGANIZATIONS
: Audio duration 08:19
Diversification to Specialization & Increased Use of Fertilizers
: duration 01:43
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Audio/Video
Audio
(4)
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Oral History Clip
(4)
Dates
1940-1950
(2)
1950-1960
(3)
1960-1970
(2)
Korean War
(1)
Vietnam War
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Genoa, IL
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