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Page 368
This is a field of 6,000 acres , said to be the largest in the world . A TYPICAL SCENE ON A RANKIN FARM . David Rankin. up into ranches , and each is numbered . There is " Ranch Number 1 , " " Ranch Number 2 , " and so on .
This is a field of 6,000 acres , said to be the largest in the world . A TYPICAL SCENE ON A RANKIN FARM . David Rankin. up into ranches , and each is numbered . There is " Ranch Number 1 , " " Ranch Number 2 , " and so on .
Page 388
For the sake of experiment , potatoes have been grown for fifteen successive years on the same field , and at the end of this period the soil was in such condition that it would not produce potatoes at all . The supposition of those who ...
For the sake of experiment , potatoes have been grown for fifteen successive years on the same field , and at the end of this period the soil was in such condition that it would not produce potatoes at all . The supposition of those who ...
Page 389
One field bears wheat and no peas ; another beans and turnips , but no tobacco ; a third gives a plentiful crop of turnips , but will not bear clover . What is the reason that a field loses its fertility for one plant - the same plant ...
One field bears wheat and no peas ; another beans and turnips , but no tobacco ; a third gives a plentiful crop of turnips , but will not bear clover . What is the reason that a field loses its fertility for one plant - the same plant ...
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Contents
MAGAZINE | 586 |
Cover Design LEJAREN HILLER | 591 |
Men of SciencePORTRAITS | 605 |
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able acres American become boat building built called carried cause cent Chicago coal comes complete concrete cost course crop disease dollars effect electric engine experiments fact farm feet field fire five followed four give ground half hand hour hundred important inches interest keep kind known land less light living look machine means ment method miles months mountain natural never operation pass plant possible pounds practical present produced railroad railway reached record result river road shows side soil stand success supply surface taken things thousand tion track train turn United