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 75
... removed from the oven . ( Figure 21. ) crease in weight is due to which the soil has absorbed from the air , just as ordinary salt will absorb . moisture from the air . The air always contains water in the form of gas , often called ...
... removed from the oven . ( Figure 21. ) crease in weight is due to which the soil has absorbed from the air , just as ordinary salt will absorb . moisture from the air . The air always contains water in the form of gas , often called ...
Página 83
... removal by the roots of plants , this film becomes thinner , until only the hygro- scopic water - that which the air cannot take away - remains . When the films are thick , the capillary water moves rather freely toward a point where a ...
... removal by the roots of plants , this film becomes thinner , until only the hygro- scopic water - that which the air cannot take away - remains . When the films are thick , the capillary water moves rather freely toward a point where a ...
Página 92
... removed ; and often the number , size and kind of stumps , must be considered . The butter dealer will inspect every jar of butter with his butter trier , or , at least , a sample of every lot , but the farmer too often looks only at ...
... removed ; and often the number , size and kind of stumps , must be considered . The butter dealer will inspect every jar of butter with his butter trier , or , at least , a sample of every lot , but the farmer too often looks only at ...
Página 105
... removing trees from their fields seems to develop a de- sire for destroying trees . Many a farmhouse in the timbered regions has been placed on a hill , the trees have been cut away all around , and no protection left on the north and ...
... removing trees from their fields seems to develop a de- sire for destroying trees . Many a farmhouse in the timbered regions has been placed on a hill , the trees have been cut away all around , and no protection left on the north and ...
Página 120
... removed . Time also gives opportunity for accumulat- ing the means and forces necessary to remove obstacles which could not be removed with the limited resources at first available . Where the stones or stumps are not too thick the ...
... removed . Time also gives opportunity for accumulat- ing the means and forces necessary to remove obstacles which could not be removed with the limited resources at first available . Where the stones or stumps are not too thick 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 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