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Clip Search: Fertilizer, Changes in Farming Methods, Fertilizer

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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



UIS Collection K-M, Segment 1

SEGMENT: ACTIVITIES, FARM WORK, & CHANGES IN FARMING METHODS: Audio duration 10:00



UIS Collection K-M, Segment 17

Fertilizing with Clover & Manure: duration 01:35