Pamphlets on Conservation of Natural Resources, Volumen5U.S. Government Printing Office, 1912 |
Dentro del libro
Resultados 1-5 de 100
Página 7
... crops . Our aver- age wheat crop sells for 30 millions of dollars , which is also the aver- age value of our crop of hay which is sold upon the markets , not includ- ing the immense acreage of blue grass , clover and timothy pastures ...
... crops . Our aver- age wheat crop sells for 30 millions of dollars , which is also the aver- age value of our crop of hay which is sold upon the markets , not includ- ing the immense acreage of blue grass , clover and timothy pastures ...
Página 15
... crops which grow during a short season , and therefore must have fertile land . Our flax crop , for instance , is now disappear- ing up into Canada , spring wheat closely following , and our oats crop preparing to follow . We are now ...
... crops which grow during a short season , and therefore must have fertile land . Our flax crop , for instance , is now disappear- ing up into Canada , spring wheat closely following , and our oats crop preparing to follow . We are now ...
Página 16
... crop year after year , trusting to luck . It is hard to get the farmers of this class . to understand the philosophy of crop rotation , of the 16 Proceedings Third Conservation Congress .
... crop year after year , trusting to luck . It is hard to get the farmers of this class . to understand the philosophy of crop rotation , of the 16 Proceedings Third Conservation Congress .
Página 17
to understand the philosophy of crop rotation , of the natural move- ment of water in the soil , or of the ideal seed bed , or the fitness of cer- tain soils for certain crops ; in short , of the requirements of plant or ani- mal life ...
to understand the philosophy of crop rotation , of the natural move- ment of water in the soil , or of the ideal seed bed , or the fitness of cer- tain soils for certain crops ; in short , of the requirements of plant or ani- mal life ...
Página 25
... crop on earth , and that is the cotton crop . This I consider by far the most interesting , the most valuable phase of conservation . The people of the South , while their soil is Address by Professor Vorsham 25.
... crop on earth , and that is the cotton crop . This I consider by far the most interesting , the most valuable phase of conservation . The people of the South , while their soil is Address by Professor Vorsham 25.
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