Word: soils
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Dates: during 1930-1939
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...November 24, 1936, Belgium, the Netherlands, and Switzerland indicated their adherence to the principles contained in the tripartite announcement, and these countries were added to the list of countries to which the United States would soil gold...
...viciously sharpening their swords!" This was followed by what was said to be historically the first intimation that the Red Army, always described by Communist orators as "purely defensive," now seems to have in the pigeon holes of its General Staff plans for an offensive war on foreign soil. This is such a reversal of Old Bolshevik tenets that New Bolshevik ''Klim" Voroshilov had to weasel cautiously into it thus: "Any attack on the territory of workers and peasants will be repulsed with all the strength of the armed forces of the Soviet Union through the transfer...
...Spanish soil meantime last week the bloody war continued with neither side making much headway. The three-week-old struggle for the Madrid-Valencia road, the capital's only outlet to the sea, raged indecisively. For the first time in five weeks, long-range shells from Generalissimo Francisco Franco's White guns zoomed into Madrid, struck the long-suffering, U. S.-owned telephone building, killed a half-dozen citizens. From the Madrid deadlock Generalissimo Franco turned to strike at Valencia where the Radical Government is taking cover, sent an attacking force to Viver, 34 miles northwest of Valencia...
...vetch in water from springs and rivers. First experiments which involved adding nutrient chemicals to the water are credited to a German named Knop (1859). Growing commercial crops in water is another matter. At Berkeley, Dr. Gericke aimed at producing tank crops which would economically compete with or surpass soil-grown crops. So successful was he that several California vegetable and flower growers have changed to water culture, more than a dozen branch experiment stations have been opened, and Dr. Gericke enjoys a "fan mail" of some 500 letters a week...
...chemicals which Dr. Gericke adds to his water are those which ordinary plants need and get from the soil-calcium, magnesium, potassium, nitrogen, sulphur, phosphorus, iron, boron, manganese, copper, zinc. Wire netting is stretched over the top of the tanks and packed with excelsior or sawdust in which the seeds are planted and from which roots sprout down into the water. This bed of litter on the netting serves to support the stalks after the plants are grown. Each tank has an area of .01 acre. In one of these Dr. Gericke grew 1,224 lb. of tomatoes, in another...