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 vii
... drain and branches .. 166 70 Portion of a drainage map . 167 71 Map of a drain through pond . 168 72 Map of system of tile drains on 160 - acre farm . 170 73 Map showing drainage of a 480 - acre farm . 171 74 Common drain tiles . 172 75 ...
... drain and branches .. 166 70 Portion of a drainage map . 167 71 Map of a drain through pond . 168 72 Map of system of tile drains on 160 - acre farm . 170 73 Map showing drainage of a 480 - acre farm . 171 74 Common drain tiles . 172 75 ...
Página viii
... drains . 198 88 Showing disposition of earth handled with road machine and spade .. 199 89 Different dimensions of ditch for receiving drain tiles of different sizes .. 200 90 Tile or ditching spade . 201 91 Small tile spade . 201 92 Tile ...
... drains . 198 88 Showing disposition of earth handled with road machine and spade .. 199 89 Different dimensions of ditch for receiving drain tiles of different sizes .. 200 90 Tile or ditching spade . 201 91 Small tile spade . 201 92 Tile ...
Página x
... Drain tiles laid under middle of roadway Drain tile laid under each side of roadway . 311 311 194 Use of drain tile to intercept water on upper side of roadway 311 196 195 Location of ditch draining a road and adjacent farms .. A grade ...
... Drain tiles laid under middle of roadway Drain tile laid under each side of roadway . 311 311 194 Use of drain tile to intercept water on upper side of roadway 311 196 195 Location of ditch draining a road and adjacent farms .. A grade ...
Página 152
... tile drains . Injury of tiles by freezing . - In the southern half of the United States there is no danger of frost injuring tile drains . In the extreme northern portions of the country , however , where the earth sometimes freezes to ...
... tile drains . Injury of tiles by freezing . - In the southern half of the United States there is no danger of frost injuring tile drains . In the extreme northern portions of the country , however , where the earth sometimes freezes to ...
Página 157
... drain tiles to use . B F X Z K E N A Figure 57. Surveyor's transit . He should also have tactful ability to deal with the parties interested in co - operative drainage , and this is quite as much needed in the enterprise as his ...
... drain tiles to use . B F X Z K E N A Figure 57. Surveyor's transit . He should also have tactful ability to deal with the parties interested in co - operative drainage , and this is quite as much needed in the enterprise as his ...
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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