Pamphlets on Conservation of Natural Resources, Volumen5U.S. Government Printing Office, 1912 |
Dentro del libro
Resultados 6-10 de 100
Página 14
... improved ma- chinery , or the application of science to the operations of manufactur- ing and distributing the things necessary for the supply of our ever- increasing human wants . It has increased in proportion to the success of the ...
... improved ma- chinery , or the application of science to the operations of manufactur- ing and distributing the things necessary for the supply of our ever- increasing human wants . It has increased in proportion to the success of the ...
Página 15
... improved machinery . The farmer hung his scythe in a tree and bought a mower ; hung up his craddle and bought a binder . He used more horses , better tools , and grew more crops with less than half the labor . All this was natural ...
... improved machinery . The farmer hung his scythe in a tree and bought a mower ; hung up his craddle and bought a binder . He used more horses , better tools , and grew more crops with less than half the labor . All this was natural ...
Página 17
... improved machinery and its live stock requires skilled labor , and a kind of skill that can be acquired . only on the farm . He can use Russian and the Japanese in the beet fields . He can use the emigrant from Southern Europe in the ...
... improved machinery and its live stock requires skilled labor , and a kind of skill that can be acquired . only on the farm . He can use Russian and the Japanese in the beet fields . He can use the emigrant from Southern Europe in the ...
Página 56
... improved farm lands in the United States amount to 477,448,000 acres , which is an increase in the last ten years of 62,949,000 , or fifteen and two - tenths per cent . The product per acre actually culti- vated increased in the last ...
... improved farm lands in the United States amount to 477,448,000 acres , which is an increase in the last ten years of 62,949,000 , or fifteen and two - tenths per cent . The product per acre actually culti- vated increased in the last ...
Página 57
... improvements in machinery which will reduce the number of necessary hands on the farm , it is quite certain that in ... improved land only increased 65,000,000 , or fifteen per cent , and the total acreage only four per cent , the value ...
... improvements in machinery which will reduce the number of necessary hands on the farm , it is quite certain that in ... improved land only increased 65,000,000 , or fifteen per cent , and the total acreage only four per cent , the value ...
Términos y frases comunes
acre Address agricultural American annual Applause Association average believe better cent Chairman child church City Kansas City clubs coal commission conservation movement coöperative corn cost crop cultivation delegates disease dollars efficiency Executive Committee fact farm farmers Federal fire waste forest forestry Gifford Pinchot Government human important improved increase industry interest Kansas City Kansas labor land laws legumes live loss Louisiana ment methods million Missouri movement National Conservation Congress natural resources nitrogen Olathe organization Pennsylvania phosphate phosphoric acid phosphorus plant plowing population postal savings system practical present President problem profit proper protection railroads railways represent Richard Lieber roads rural Secretary seed-bed society soil fertility supply things timber tion transportation tuberculosis typhoid fever United vital water power wheat women yield York