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: 1970-1980
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: Productivity
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Clip Search: 1970-1980, Productivity

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NIU Collection, Segment 15

No-Till Required More Agro-Chemicals: duration 00:52



NIU Collection, Segment 17

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



UIS Collection S, Segment 7

SEGMENT: FARM EQUIPMENT: Audio duration 15:43



ISM Interviews M-Z, Segment 9

SEGMENT: IRRIGATION, FARM BUSINESS, & COMMODITIES: Video duration 12:01



LPL Interviews K-Z, Segment 1

Changes in Commodity Prices, Farm Work, & Comfort: duration 01:37
Hybrid Seed, Productivity, & the Environment: duration 01:07