Word: topsoil
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Dates: during 1950-1959
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...landing. In the drought-disaster areas, everyone knew that one rain does not break a drought, but farmers and townsfolk alike drew a deep, fresh breath and hoped. The rain was too late to help this year's crops, but in many areas it settled the blowing topsoil, helped the winter wheat and the pastures, and started the long process of replenishing the subsoil moisture...
...Indians who settled at Sheguindah, says Digger Lee, probably stayed for some 2,000 years; then, about 5,000 years ago, they pushed southeastward across Ontario. Rain and snow kept topsoil from forming on the sloping camp site, and many discarded artifacts lay on the ground last summer just as they had for 50 centuries. Archaeologist Lee gathered up every trace of man-chipped stone he could find before he went quietly away. This summer he returned with a group of students to dig deeper...
...year-old Soy Saucemaker Moemon Ihara, had sprouted from a seed found in a nearby peat bog, imbedded in a neolithic canoe. Counting on 100 years to form each foot of the 15 feet of peat that covered the seed, and adding 500 years for the layer of topsoil above the peat, Dr. Lotus calculated that his seed was some 2,000 years...
...minerals in common topsoil...
Golden wheat can grow tall and strong in the deep (200 ft.) black topsoil in the valleys of central India, but the wheat has little chance against the predatory kans grass. For centuries, India's ryots turned their bullock-drawn, wooden plows against the kans roots, to no avail. With less & less yield from each sowing, the peasant would at last abandon his kans-infested wheatfield, blaming his ill luck on Saturn, considered an evil planet by Hindus. Between them, Saturn and kans choked some 10 million acres of hungry India's wheatlands...