Word: soils
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That old farmer, Nikita Khrushchev, has lately learned that a lot of things have changed down on the farm since he broke the Russian soil behind a mare. To explain away the fact that Russia harvests less than the U.S., though it cultivates twice as much farm land, Khrushchev insists: "Yields don't depend upon the system. It's merely a matter of the U.S.'s producing more mineral fertilizer." Fertilizer, for so long the essential ingredient of barnyard humor, has become a vital factor in the economic cold war, and Khrushchev has launched a costly crash...
...into him as skillfully as he digs into the soil of the Holy Land. And you produced...
...using chemical fertilizer; the Ukraine is planning a crash program to educate 4,000 "skilled fertilizer appliers." Superphosphate fertilizer arrives at the farms with only 20% of the required chemical nutrients; the rest is worthless ballast that gets lumpy and heavy in the rain. Russia has an impressive 561 soil laboratories, but most of them have only one or two employees and the wrong equipment...
Difficult Choice. Tetanus bacteria lurk in sewage and soil, in dust and rust. They can enter the human body through any penetrating wound, through the unhealed navel of the newborn, and through drug addicts' contaminated dope. There is so little that even the best of medical centers can do once the disease has developed, Dr. Christensen insists prevention is the only reliable cure. Tetanus toxoid is cheap and safe; it rarely causes unwanted reactions. It should first be given in a course of three shots paced a month apart, he says. There should be a booster a year later...
...basic Nabataean trick was to throw stone walls across the wadies to delay flash floods. Trapped by the walls, the water sank into the ground, depositing silt that built up fertile soil. To trap even more water, the Naba-taeans built good-sized stone dams across the larger wadies; they cut channels along hilltops to divert water to fields that could use it best. To supply