The Physical Basis of SocietyD. Appleton, 1916 - 406 من الصفحات |
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الصفحة 8
... average substance . This means that the latent heat of water is very high , being surpassed only by ammonia . Thanks to the expansion that occurs when ice forms , the actual freezing of more than the surface of a body of water is ...
... average substance . This means that the latent heat of water is very high , being surpassed only by ammonia . Thanks to the expansion that occurs when ice forms , the actual freezing of more than the surface of a body of water is ...
الصفحة 12
... average , potential plant food as follows : nitrogen , 3,217 pounds ; phosphoric acid , 3,936 pounds and potash , 17,597 pounds ; a total of 24,750 pounds or more than 12 tons . Since these elements are taken out of the soil by plants ...
... average , potential plant food as follows : nitrogen , 3,217 pounds ; phosphoric acid , 3,936 pounds and potash , 17,597 pounds ; a total of 24,750 pounds or more than 12 tons . Since these elements are taken out of the soil by plants ...
الصفحة 18
... average of seven to ten inches makes general agriculture possible , provided that the rain comes at the right time . A much heavier rainfall coming in a brief period fol- lowed by a long drought may prohibit the growth of plants . If ...
... average of seven to ten inches makes general agriculture possible , provided that the rain comes at the right time . A much heavier rainfall coming in a brief period fol- lowed by a long drought may prohibit the growth of plants . If ...
الصفحة 21
... average may promote the growth of poisonous plants . In Montana the stockmen have long realized the increased frequency of trouble due to the larkspurs , water hemlock , loco weeds , and poison camas . Excess moisture is very likely to ...
... average may promote the growth of poisonous plants . In Montana the stockmen have long realized the increased frequency of trouble due to the larkspurs , water hemlock , loco weeds , and poison camas . Excess moisture is very likely to ...
الصفحة 29
... average density in Great Britain is 374. In Switzerland only 15 per cent of the land can be culti- vated and the same is true of Japan . In Norway 67 per cent of the total area is in bare mountains , lakes , snow fields or bogs , 7.6 ...
... average density in Great Britain is 374. In Switzerland only 15 per cent of the land can be culti- vated and the same is true of Japan . In Norway 67 per cent of the total area is in bare mountains , lakes , snow fields or bogs , 7.6 ...
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