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The iron has flowed like blood from the hills. The fire of the ground is being given to the air. The sky is filled with smoke. The soil is being carried into the sea; it's precious dust of nitrogen and phosphor blown to the ends of the earth. The fresh lands are no more. There are no mines to be had for the asking. The frontier has become as the centre, the new as the old.
When man comes to ask something more than germinating seeds from a plant, he must remove it from the crowded clump, give it more light and air, and feed it for product. In other words, he must give it more nitrogen, phosphoric acid, and potash than it can use for simple growth and maintenance, and thus make it burst forth into flower-or fruit-product.
In time for action at this session, I hope to report to the Congress such legislative remedies as the conference may recommend. An appropriation should be made to defray their necessary expenses. The production of nitrogen for plant food in peace and explosives in war is more and more important. It is one of the chief sustaining elements of life.
In order to do this, we have to use a quantity of air much larger than is theoretically necessary, and also to heat an amount of inert nitrogen five times greater than the necessary oxygen; and we are therefore obliged to create a draught which carries away to the chimney a considerable portion of the heat developed.
Without its presence the grass fails in its chief function the storing of nitrogen and makes but poor growth. When the alfalfa bacteria are abundant, the plant flourishes and gathers nitrogen in knobs and bunches in its roots and in the joints of its stems. I sent to a very successful alfalfa grower in Ohio for a thousand pounds of soil from one of his fields, to vaccinate my field with.
First, the ionizing source of radiation the primary star was farther away from Eisberg than Sol was from Earth, which tended to reduce the total ionization. Second, the upper atmosphere of Eisberg was pretty much pure hydrogen, which is somewhat easier to ionize than oxygen or nitrogen.
It was like thrusting a lighted candle into a jar of nitrogen. The candle went out at once. And never came back.
Instead, its structure was a rigid honeycomb of plastic; surfaced by a layer of fluorocarbon plastic which had been brought to its final polish in space, and then carefully aluminized to provide a highly reflective, extremely flat surface. This mirror was also cooled by the liquid nitrogen supplied from the back side of the big mirror.
Fats and Oils. These include not only the ordinary fats of meat, but many animal and vegetable oils. They are alike in chemical composition, consisting of carbon and hydrogen, with a little oxygen and no nitrogen.
It is enough to point out that the living being leans naturally toward what is most convenient to it, and that vegetables and animals have chosen two different kinds of convenience in the way of procuring the carbon and nitrogen they need. Vegetables continually and mechanically draw these elements from an environment that continually provides it.
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