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: 1980-1990
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: CHANGES IN FARMING METHODS
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Clip Search: 1980-1990, CHANGES IN FARMING METHODS

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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



NIU Collection, Segment 18

Agro-Chemicals, Crop Rotation, Cover Crops, & Wildlife: duration 00:46



LPL Interviews K-Z, Segment 5

SEGMENT: CHANGES IN FARMING METHODS: Video duration 13:32