Category:The National Farm and Home Hour, 1930
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Media in category "The National Farm and Home Hour, 1930"
The following 7 files are in this category, out of 7 total.
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New knowledge of chemistry and soils (IA CAT31381828).pdf 879 × 1,412, 6 pages; 379 KB
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The cost and control of soil erosion (IA CAT31381829).pdf 829 × 1,308, 6 pages; 312 KB
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Putting bacteria to work on the garden surplus (IA CAT31381830).pdf 783 × 1,212, 4 pages; 238 KB
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Essential plant food elements (IA CAT31381831).pdf 864 × 1,308, 6 pages; 395 KB
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Those mysterious barn fires (IA CAT31381832).pdf 897 × 1,470, 4 pages; 200 KB
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Making the most of fertilizers (IA CAT31381833).pdf 852 × 1,387, 6 pages; 341 KB
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Mixing fertilizers at home (IA CAT31381834).pdf 835 × 1,370, 8 pages; 392 KB