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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Resultados 1-5 de 78
Página vi
... clay or 36 How flowing wells occur . 37 Plan of farmstead with road on north . 85 86 101 38 Plan of farmstead with road on east and south . 102 39 Plan of farmstead fronting road on south .. 103 vi Figures Page 40 41 Plan of farmstead ...
... clay or 36 How flowing wells occur . 37 Plan of farmstead with road on north . 85 86 101 38 Plan of farmstead with road on east and south . 102 39 Plan of farmstead fronting road on south .. 103 vi Figures Page 40 41 Plan of farmstead ...
Página 33
... clay , etc. , of the great age of our world , or the long time covered by natural history . There are several theories as to how our planet came to have the shape and size that it has , but there is much evidence that in the beginning ...
... clay , etc. , of the great age of our world , or the long time covered by natural history . There are several theories as to how our planet came to have the shape and size that it has , but there is much evidence that in the beginning ...
Página 34
... clay may thus contain forms that existed centuries apart in point of time . We think of the earth as being very stable , but crustal disturbances , as earthquakes and volcanoes , occur fre- quently at many parts of the globe . The ...
... clay may thus contain forms that existed centuries apart in point of time . We think of the earth as being very stable , but crustal disturbances , as earthquakes and volcanoes , occur fre- quently at many parts of the globe . The ...
Página 35
... clay or of a mixture of clay and sand and other materials , plants have found a congenial home . The soils have an abundance of plant food ; they are rich in humus or decaying vegetable mat- ter , and , therefore , able to hold moisture ...
... clay or of a mixture of clay and sand and other materials , plants have found a congenial home . The soils have an abundance of plant food ; they are rich in humus or decaying vegetable mat- ter , and , therefore , able to hold moisture ...
Página 38
... clay , etc. , covering the underlying rocks of the region over which the glacier flowed . The ice , in flowing over this surface , gathered up much of the loose clay , sand and stones , and also tore loose and ground up more of the ...
... clay , etc. , covering the underlying rocks of the region over which the glacier flowed . The ice , in flowing over this surface , gathered up much of the loose clay , sand and stones , and also tore loose and ground up more of the ...
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Farm Development; An Introductory Book in Agriculture, Including a ... W. M. Hays Sin vista previa disponible - 2017 |
Términos y frases comunes
acre agricultural amount of water animals better biped bottom brace building canal capillary capillary action capstan carry cement cents clay construction corn corner post cost crop rotation crops cubic yard cultivation culverts datum deep depth drain tiles drainage earth engine expense farm home farmers farmstead feet fence fields flood water flow Fresno scraper furrow-slice furrows gate glacial glacier grade grain Grass gravel ground water height Illustrated inches instrument irrigation labor lake Lake Agassiz layer low area macadam material mile Minnesota Minnesota river Mississippi river mixed moisture necessary open ditch outlet particles peat plow practical profitable rain rainfall reversible road machine river road roller roadway rock roots rotation rural sand schools showing shown in Figure side soil spade station stone stream stumps subsoil tile drains tion tivated trees wagon wheat wire fence