History of American Agriculture - Farm Machinery and Technology - 0 views
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commercial fertilizer: 6,116,700 tons
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ommercial fertilizer: 3,738,300
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commercial fertilizer: 1,845,900 tons
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-Terrible weather and extreme temperatures exacerbated the conditions of agriculture -After WWI, France had relied on America for crops, but now could sustain themselves -US had a surplus of cr...