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" And when the leaves are fully developed, the ground is shaded, and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented ; so that the temperature of the surface, when bare and exposed to the rays of... "
A Manual of Chemistry: Containing the Principal Facts of the Science ... - Page 544
by William Thomas Brande - 1821 - 638 pages
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Elements of Agricultural Chemistry: In a Course of Lectures for the Board of ...

Sir Humphry Davy, George Sinclair, John Russell Duke of Bedford - 1815 - 452 pages
...gained the temperature of the room. The soils in all these experiments were placed in small tin plate trays two inches square, and half an inch in depth;...shaded; and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented: so that the temperature of the surface,...
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An Encyclopaedia of Gardening, comprehending the theory and practice of ...

John Claudius Loudon - 1822 - 1494 pages
...The soils in all these experiments were placed in small tin plate trays two inches square, and lialf an inch in depth ; and the temperature ascertained by a delicate thermometer. " Nothing can l>e more evident than that the genial heat of the soil, particularly in spring, must be of the highest...
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An encyclopædia of agriculture

John Claudius Loudon - 1825 - 1250 pages
...quarter of an hour It was found to have gained the temperature of the room. The soils in all these experiments were placed in small tin-plate trays two...temperature ascertained by a delicate thermometer. Thus the temperature of the surface, when bare and exposed to the rays of the sun, affords at least...
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An Encyclopædia of Agriculture: Comprising the Theory and Practice of the ...

John Claudius Loudon - 1826 - 1252 pages
...room. The soils in all these experiments were placed in ¿mall tin-plate trays two inches square, anil half an inch in depth ; and the temperature ascertained by a. delicate thermometer. Thus the temperature of the surface, when bare and exposed to the rays of the sun, affords at least...
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The American Farmer

John S. Skinner - 1827 - 434 pages
...hour it was found to have gained the tempe rature of the room. The soils in all these experi ';ii-iils were placed in small tin-plate trays, two inches square...Temperature ascertained by a delicate thermometer Thus the temperature of the surface, when bare and exposed to tli • rays of the sun, affords at leas...
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The Life of Sir Humphry Davy, Bart., LL.D.: Late President of the Royal ...

John Ayrton Paris - 1831 - 582 pages
...sun, and in the shade ; the degrees of heating and cooling having been accurately ascertained by the thermometer. Nothing can be more evident, than that...shaded, and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented ; so that the temperature of the surface,...
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The Life of Sir Humphry Davy, Bart

John Ayrton Paris - 1831 - 598 pages
...sun, and in the shade ; the degrees of heating and cooling having been accurately ascertained by the thermometer. Nothing can be more evident, than that...shaded, and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented ; so that the temperature of the surface,...
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An Encyclopædia of Gardening: Comprising the Theory and Practice ..., Volume 1

John Claudius Loudon - 1835 - 1326 pages
...quarter of an hour it was found to have cooled to the temperature of the room. The soils in all these experiments were placed in small tin-plate trays two...square, and half an inch in depth ; and the temperature was ascertained by a delicate thermometer. Thus the temperature of the surface, when bare and exposed...
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Elements of Agricultural Chemistry: In a Course of Lectures for the Board of ...

Sir Humphry Davy - 1836 - 458 pages
...gained the temperature of the room. The soils in all these experiments were placed in small tin plate trays two inches square, and half an inch in depth,...shaded, and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented ; so that the ternperature of the surface,...
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The Journal of the Royal Agricultural Society of England

john murray - 1845 - 722 pages
...quarter of an hour it was found to have gained the temperature of the room.* The soils, in all these experiments, were placed in small tin-plate trays,...shaded, and any injurious influence, which in the summer might be expected from too great a heat, entirely prevented : so that the temperature of the surface,...
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