Word: soils
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Dates: during 1940-1949
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...while the U.S. still held on tightly to the company's barges in the U.S. zone. Meanwhile the Russians presented to the Austrian Government a 43 million schilling bill for "food supplied to Vienna"; most of which Austria's peasants had taken from Austria's own soil...
About a month ago they found the first traces of the most primitive Viruvians, who lived in caves cut into the hard-baked soil. About the time of Christ they were replaced by (or developed into) the Chavin people. Step by step, as the centuries passed, the tight little valley's life became more complex. With the Mochica culture (500-900 A.D.), it reached a peak of sophistication. The Mochicas fertilized their fields with guano and watered them with intricate irrigation ditches, one of which was 113 kilometers (70 miles) long. They wove marvelous textiles, had a highly centralized...
China's Sorrow. Todd had spent 26 of his 65 years studying, scheming, writing about the Yellow River. He knew the river's history: it had brought rich loam soil down from the Mongolian mountains to form the fertile flat Shantung peninsula; silt deposited in the river bottom raised the surface level along half its 2,500 mile course, until its banks could not contain it. Not even Oliver Todd knew how many humans the Yellow River, China's Sorrow, had killed...
...that farmers who use the old moldboard plow spend 33%-50% more than those using the shallow-plowing one-way disc. With the disc a farmer can cover double the acreage plowed in the same time. Nearly all of the farmers are now using discs. To avoid pulverizing the soil and laying the prairies open to soil drifting, they should not be pulled faster than 5½ miles an hour...
...seed a swath about 1,000 ft. wide, at the rate of one pellet per square foot. If moisture, sun and temperature conditions are right, the seeds should germinate in the double-quick time of 48 hours, and each will start life with a helpful inheritance of rich, fertile soil...