. Agriculture for the Kansas common schools. Agriculture. 190 AGRICULTURE Broad wet draws that are naturally depressed toward the center are drained by a main tile line through the center of the wet area and lateral lines run out from either side of the main line. This is known as the her- ringbone sys- tem. For large tracts of land where com- plete and thorough drainage is required, the '. ~" " ' ; '. system con- Plan of typical drainage system for a 160-acre fann. ^, Single-line sys- . tern of drainage. B, Cut-off drain to intercept seep water from the hill, slsts 01 iong C, Gridir
. Agriculture for the Kansas common schools. Agriculture. 190 AGRICULTURE Broad wet draws that are naturally depressed toward the center are drained by a main tile line through the center of the wet area and lateral lines run out from either side of the main line. This is known as the her- ringbone sys- tem. For large tracts of land where com- plete and thorough drainage is required, the '. ~" " ' ; '. system con- Plan of typical drainage system for a 160-acre fann. ^, Single-line sys- . tern of drainage. B, Cut-off drain to intercept seep water from the hill, slsts 01 iong C, Gridiron system of drainage for flat land. D, Herringbone system of n i t drainage. E, Drainage of a pond. F, Natural system of drainage; also parallel llnCS note the drain to the farm buildings. 01 tile so ar- ranged that they will cover every portion of the field thoroughly, yet have a common outlet. Such a system of drainage is known as the gridiron system. Areas having a uniform slope with a good natural out- let are sometimes drained by single lines of tile laid through the field; each tile line in reality is a system of drainage. This is known as the single-line system. Sloping hillsides are sometimes drained by tile lines placed at an angle with the greatest slope. This is known as the cross-the-slope Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Call, Leland Everett, 1881- [from old catalog] comp; Kent, Harry Llewellyn, [from old catalog] joint comp. Topeka, The State of Kansas state printing plant
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
