Pamphlets on Conservation of Natural Resources, Volumen5U.S. Government Printing Office, 1912 |
Dentro del libro
Resultados 6-10 de 100
Página 40
... cent of our boys and girls are forced out of the grammar school to fight the battles of life . They must have a chance to earn a living under such reasonably favorable conditions as not to destroy all chance . of happiness or else they ...
... cent of our boys and girls are forced out of the grammar school to fight the battles of life . They must have a chance to earn a living under such reasonably favorable conditions as not to destroy all chance . of happiness or else they ...
Página 56
... cent a year , or ten per cent . The total product increased in ten years nearly twenty per cent . INCREASE OF POPULATION . The population in this same time increased twenty - one per cent . If the population continues to increase at its ...
... cent a year , or ten per cent . The total product increased in ten years nearly twenty per cent . INCREASE OF POPULATION . The population in this same time increased twenty - one per cent . If the population continues to increase at its ...
Página 57
... cents to ten and one- half cents . Between 1830 and 1896 the time of human labor required . for the production of a bushel ... cent , the value of the farms in money increased from $ 20,000,000,000 to $ 40,000,000,000 in ten years — an ...
... cents to ten and one- half cents . Between 1830 and 1896 the time of human labor required . for the production of a bushel ... cent , the value of the farms in money increased from $ 20,000,000,000 to $ 40,000,000,000 in ten years — an ...
Página 61
... cent of the crop each year , or ten per cent each decade ; but considering what is done in Europe , this is not either impossible or improbable . The addition to the acreage in drainage and in irrigable lands will go on - must go on ...
... cent of the crop each year , or ten per cent each decade ; but considering what is done in Europe , this is not either impossible or improbable . The addition to the acreage in drainage and in irrigable lands will go on - must go on ...
Página 66
... cent , while the benefit to the health conditions has been great . Drainage is being fostered and encouraged by the state authorities , and as fast as the necessity for working laws is shown , these laws are forthcoming from the General ...
... cent , while the benefit to the health conditions has been great . Drainage is being fostered and encouraged by the state authorities , and as fast as the necessity for working laws is shown , these laws are forthcoming from the General ...
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