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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 4

SEGMENT: FARMING METHODS, LOSS OF FARM, & REFLECTIONS: Audio duration 07:20
Changes in Farming: Productivity, Equipment, Pesticides, & Pests: duration 00:58



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



NIU Collection, Segment 6

Industry Produced Better Machines & Farmers Had the Money to Buy: duration 00:20



NIU Collection, Segment 8

Corn & Beans Yield this Year and Last: duration 00:26
Cooperating to Get Soybeans Harvested: duration 00:42
The Hazards of Farm Chemicals: duration 00:44



NIU Collection, Segment 9

SEGMENT: FARM EQUIPMENT, NON-FARM WORK, & GOVERNMENT PROGRAMS: Audio duration 10:08
Which Agro-Chemicals?: duration 00:57
Hybrid Seeds & Productivity Happiness: duration 00:23



NIU Collection, Segment 12

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



NIU Collection, Segment 13

SEGMENT: EDUCATION, HAZARDS, & AGRO-CHEMICALS: Audio duration 09:42
Manure, Chemicals, & Increased Productivity: duration 01:57
Grow More with Fertilizer & Hybrid Seed: duration 01:02



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
Before Hybrid Seed: duration 00:27
Narrow Row Planting & Hybrid Seed: duration 00:16



UIS Collection, Segment 9

SEGMENT: LIVESTOCK, FARMING, & FARM EQUIPMENT: Audio duration 13:22



UIS Collection, Segment 10

Reducing Clods on Rough Ground: duration 00:56



UIS Collection, Segment 21

SEGMENT: FARM-EQUIPMENT, FARMING METHODS, & ENVIRONMENT: Audio duration 12:23
Learning that the Soil Needed Lime: duration 01:56



UIS Collection C-G, Segment 8

From Burning & Crop Rotation to Disking & Fertilizing: duration 01:36



UIS Collection C-G, Segment 9

A Lime Fertilizer Convert: duration 01:01



UIS Collection K-M, Segment 15

Early Skepticism of Hybrid Corn: duration 01:19



UIS Collection K-M, Segment 17

SEGMENT: FARMING METHODS: Audio duration 07:46



UIS Collection N-R, Segment 14

Corn Productivity - Past & Present: duration 00:40