Farm Development: An Introductory Book in Agriculture, Including a Discussion of Soils, Selecting & Planning Farms, Subduing the Fields, Drainage, Irrigation, Roads, Fences, Together with Introductory Chapters Concerning Farm Business, and the Relations of General Science to AgricultureOrange Judd Company, 1910 - 391 páginas |
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Página 1
... materials . Many of the natural sciences have a theoret- ical and a practical bearing on this greatest of the pro- ductive industries ; and the arts which have a useful relation to farming are numerous and varied . In no other vocation ...
... materials . Many of the natural sciences have a theoret- ical and a practical bearing on this greatest of the pro- ductive industries ; and the arts which have a useful relation to farming are numerous and varied . In no other vocation ...
Página 14
... material of clothing required for all classes of people than formerly ; while , on the other hand , the cities re- quire more workers in manufacturing industries , in com- merce , in transportation , in the professions and in special ...
... material of clothing required for all classes of people than formerly ; while , on the other hand , the cities re- quire more workers in manufacturing industries , in com- merce , in transportation , in the professions and in special ...
Página 19
... materials consist of compounds of the elements gathered from the soil and air and stowed away during their growth . It may be said that no real growth has been made by a plant until the green appears in the stem or leaf . Before this ...
... materials consist of compounds of the elements gathered from the soil and air and stowed away during their growth . It may be said that no real growth has been made by a plant until the green appears in the stem or leaf . Before this ...
Página 20
... material lasts which is stored in the parent seeds or roots . The work done by these chlorophyll bodies in the leaves , aided by the sunlight , is very important . The leaves of plants are very complex workshops , or labora- tories ...
... material lasts which is stored in the parent seeds or roots . The work done by these chlorophyll bodies in the leaves , aided by the sunlight , is very important . The leaves of plants are very complex workshops , or labora- tories ...
Página 26
... material bodies . It considers the phenomena of static bodies of matter with their latent energy , and kinetic bodies with their dynamic forces operating . Applied mechanics deals with the invention , construction , care and use of all ...
... material bodies . It considers the phenomena of static bodies of matter with their latent energy , and kinetic bodies with their dynamic forces operating . Applied mechanics deals with the invention , construction , care and use of all ...
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Farm Development; An Introductory Book in Agriculture, Including a ... W. M. Hays Sin vista previa disponible - 2017 |
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