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: 1980-1990
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: Agro-Chemicals
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Clip Search: Audio, 1980-1990, Agro-Chemicals

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NIU Collection, Segment 6

SEGMENT: FARM EQUIPMENT, ENVIRONMENT, & AGRO-CHEMICALS: Audio duration 12:27



NIU Collection, Segment 8

SEGMENT: FARM ORGANIZATION, FARMING METHODS, & AGRO-CHEMICALS: Audio duration 12:30



NIU Collection, Segment 9

Which Agro-Chemicals?: duration 00:57



NIU Collection, Segment 12

Reflections of Changes in Farm Work & Productivity: duration 01:16



NIU Collection, Segment 15

Changes in Agro-Chemical Application: duration 00:54



ISM Interviews A-L, Segment 18

SEGMENT: LIVESTOCK & FARMING METHODS: Audio duration 17:38