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 8
... amount in the first decade of the twentieth century . By the time farm youths born in 1900 are in middle life , there will have accumulated a body of agricultural knowledge resulting from an investment of probably $ 500,000,000 . These ...
... amount in the first decade of the twentieth century . By the time farm youths born in 1900 are in middle life , there will have accumulated a body of agricultural knowledge resulting from an investment of probably $ 500,000,000 . These ...
Página 14
... amount of foods and fibers required by each person remains nearly stationary . The satisfaction of these increased demands gives profitable employment to more people in the cities . On the other hand , the average farmer can pro- duce ...
... amount of foods and fibers required by each person remains nearly stationary . The satisfaction of these increased demands gives profitable employment to more people in the cities . On the other hand , the average farmer can pro- duce ...
Página 20
... amount of force which can be liberated and used . When plants are burned , the heat produced comes from these storage batteries , " or compounds . Upon burning , the substances coming from the air return to the air in the form of a gas ...
... amount of force which can be liberated and used . When plants are burned , the heat produced comes from these storage batteries , " or compounds . Upon burning , the substances coming from the air return to the air in the form of a gas ...
Página 21
... amount of available energy than from those plants where a considerable portion of energy is not digested or where the process of digestion consumes much of the energy . Certain animals have better diges- tive systems , and are capable ...
... amount of available energy than from those plants where a considerable portion of energy is not digested or where the process of digestion consumes much of the energy . Certain animals have better diges- tive systems , and are capable ...
Página 24
... at market prices in 1895 , was $ 58.33 . Haecker . of the larger amounts of these more useful forms of storage batteries . " The dairy cow which transforms 66 most of her food into the valuable butter fats ,. 24 FARM DEVELOPMENT.
... at market prices in 1895 , was $ 58.33 . Haecker . of the larger amounts of these more useful forms of storage batteries . " The dairy cow which transforms 66 most of her food into the valuable butter fats ,. 24 FARM DEVELOPMENT.
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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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