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 viii
... construction of grading frame . 207 Students preparing ditch for laying tile 208 100 Students constructing tile drain ... 209 101 Manner of accurately determining the proper depth to grade bottom of the ditch 210 102 Effects of faulty ...
... construction of grading frame . 207 Students preparing ditch for laying tile 208 100 Students constructing tile drain ... 209 101 Manner of accurately determining the proper depth to grade bottom of the ditch 210 102 Effects of faulty ...
Página xi
... construction .. 335 222 Rock crusher . 335 223 Rock crusher with elevator and screen 336 224 Semi - stationary rock crusher .. 337 225 Stone crushing plant in operation . 337 226 Reversible road rollers .. 339 227 Steam road roller ...
... construction .. 335 222 Rock crusher . 335 223 Rock crusher with elevator and screen 336 224 Semi - stationary rock crusher .. 337 225 Stone crushing plant in operation . 337 226 Reversible road rollers .. 339 227 Steam road roller ...
Página 26
... construction , care and use of all kinds of structures , machines and devices . The people of the world are housed , clothed , fed , transported and supplied with in- formation and luxuries in far greater amount and with far less cost ...
... construction , care and use of all kinds of structures , machines and devices . The people of the world are housed , clothed , fed , transported and supplied with in- formation and luxuries in far greater amount and with far less cost ...
Página 154
... construction of a large drain injures a portion of the land through which it passes , and in such cases damages may be allowed . In cases where individual landowners feel that they have been assessed for more than their just share of ...
... construction of a large drain injures a portion of the land through which it passes , and in such cases damages may be allowed . In cases where individual landowners feel that they have been assessed for more than their just share of ...
Página 156
... construction of the drains too expensive . If the system of drainage is very simple and the slope of the land ample to give sufficient fall , the plan may be easily made . In many such cases instruments for measuring and leveling are ...
... construction of the drains too expensive . If the system of drainage is very simple and the slope of the land ample to give sufficient fall , the plan may be easily made . In many such cases instruments for measuring and leveling are ...
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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 animals better biped bottom brace building canal capillary capillary action capstan carry cement cents clay clover 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 limestone 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 roadside 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