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: Productivity
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Clip Search: 1960-1970, Productivity

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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 FARM EQUIPMENT, CHANGES IN FARM BUSINESS, & GOVERNMENT PROGRAMS: Audio duration 09:36
Effects of Government Policy: Cropped the Land More: duration 00:59



NIU Collection, Segment 9

SEGMENT: LAND, CROPS, & GLOBAL ECONOMY: Audio duration 13:06



NIU Collection, Segment 15

SEGMENT: NON-FARM WORK, LAND ACQUISITION, & FARM BUSINESS: Audio duration 09:44



NIU Collection, Segment 17

SEGMENT: FARMING METHODS, LAND, & REFLECTIONS: Audio duration 08:58



NIU Collection, Segment 18

Earl Butz & Over-Production: duration 00:42