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 |
Dentro del libro
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Página vii
... 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 Union ...
... 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 Union ...
Página 7
... ture . Many of the states have appropriated money for branch stations , and the United States Department of Agriculture also has established outposts for research under its control . In this way the State and INTRODUCTION 7.
... ture . Many of the states have appropriated money for branch stations , and the United States Department of Agriculture also has established outposts for research under its control . In this way the State and INTRODUCTION 7.
Página 27
... branch of the physical sciences which treats of the minutia of substances , as of their atoms , their molecules , the relations these units sustain to each other within substances with simple and compound molecules and the manner in ...
... branch of the physical sciences which treats of the minutia of substances , as of their atoms , their molecules , the relations these units sustain to each other within substances with simple and compound molecules and the manner in ...
Página 49
... branch stream into the river at K below the is a diagram showing once a falls that gradually receded from G to G the falls at the present present gorge from G to G. No doubt there was as the water pouring over the limestone layer of ...
... branch stream into the river at K below the is a diagram showing once a falls that gradually receded from G to G the falls at the present present gorge from G to G. No doubt there was as the water pouring over the limestone layer of ...
Página 50
... rock out of its east branch , forming a gorgé at G , G , and it no longer flows across F , F , F , even in flood seasons . A very small stream now follows F , F , F. CHAPTER V THE SOIL AND SOIL FORMATION 66 The soil 50 FARM DEVELOPMENT.
... rock out of its east branch , forming a gorgé at G , G , and it no longer flows across F , F , F , even in flood seasons . A very small stream now follows F , F , F. CHAPTER V THE SOIL AND SOIL FORMATION 66 The soil 50 FARM DEVELOPMENT.
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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