Current search

[×]

Dates

: 1940-1950
[×]

Technology

: Productivity
Home

Clip Search: 1940-1950, Productivity

7 results

Results



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 12

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



UIS Collection S, Segment 7

SEGMENT: FARM EQUIPMENT: Audio duration 15:43
Yield and Fertilizers: duration 01:21



LPL Interviews K-Z, Segment 5

The Introduction of Hybrid Corn: duration 01:11