Sewage disposal . at about 3000vedros per dessiatin; the best of the sand areas about 25,000.(Since a vedro equals gallons and a dessiatin acres, vedrosper dessiatin and gallons per acre are interchangeable terms.)The clay lands are low, and are flooded by the river in of sewage of about 8 inches in depth are applied to agiven area at intervals of from 4 to 10 days, depending on thecharacter of the soil. 2484 acres are low enough to be fed by 226 BROAD IRRIGATION OR SEWAGE FARMING gravity, while the sewage is pumped to the remaining sewage pumped to the sand b
Sewage disposal . at about 3000vedros per dessiatin; the best of the sand areas about 25,000.(Since a vedro equals gallons and a dessiatin acres, vedrosper dessiatin and gallons per acre are interchangeable terms.)The clay lands are low, and are flooded by the river in of sewage of about 8 inches in depth are applied to agiven area at intervals of from 4 to 10 days, depending on thecharacter of the soil. 2484 acres are low enough to be fed by 226 BROAD IRRIGATION OR SEWAGE FARMING gravity, while the sewage is pumped to the remaining sewage pumped to the sand beds (essentially intermittentfilters) which are on a higher level than any of the others, issubmitted to bar screening (2| cm. mesh) and brief sedimen-tation (10 minutes). The rest of the sewage receives no pre-liminary treatment. The irrigation fields are divided into units of from 3 to 22acres, and the farms are provided with some 80,000 linear feetof brick and concrete distributing channels, 2700 feet of wooden. Fig. 62. Distributing Ditch, Moscow Sewage Farm. channels, 590,000 feet of earth distributing channels, 117,000feet of drainage channels, 442,000 feet of embankments, 277,000feet of roadways, and 2,088,000 feet of drains, of which thegreater part are 3 inch tile. One of the higher level beds withits irrigation ditch is seen in Fig. 62. The construction costs of the irrigation fields to 1911 aregiven as 2,233,365 roubles and their operating costs as 387,000roubles a year. The Luberzy area which was purchased in 1910-11 includes1624 dessiatins (4385 acres) and will care for 15,750,000 vedros SEWAGE FARMING IN THE UNITED STATES 227 (42,500,000 gallons) a day according to the estimates of theauthorities. Sewage Farming in the United States. Sewage farming hasbeen attempted at various small institutional plants in theeastern and central states, as a rule only to be abandoned aftera brief trial. The growing of crops on intermittent filters hasbeen practiced in some instanc
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1919
