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Lbs of flushed nitrogen collected in settling pond <br /> (WET COLUMN X 20%) 1895 x .20 = 379 lbs. per day <br /> II � <br /> Lbs of nitrogen reaching anaerobic lagoon <br /> (WET COLUMN X.80%) 1895 x .80 = 1516 lbs. per day <br /> Yearly nitrogen production: <br /> Total nitrogen in solids per year from corrals.- <br /> (DRY <br /> orrals:(DRY COLUMN X 365) (474+156) x 365 = 229,822 lbs. N per year. <br /> Total nitrogen in solids per year in aerobic settling <br /> pond: 379 x 365 = 138,338 lbs. N per year <br /> Total nitrogen in liquids at anaerobic lagoon: 1516 x 365 = 553,353 lbs. N per year <br /> Nitrogen retention loss factor calculations from storage: <br /> Nitrogen retained from storage in dry lot corrals: 25-70% Use 25%5 <br /> Nitrogen retained from storage in aerobic settling pond: 35-45% Use 40% <br /> Nitrogen retained from storage in anaerobic lagoons: 20-35% Use 25%5 <br /> Pounds (lbs) of nitrogen (N) per year available after losses in storage: <br /> Liquids-, <br /> N in liquids from anaerobic lagoon 553,353 x .25 = 138,338 lbs. <br /> fill <br /> Total nitrogen in liquids after losses: <br /> N in solids from corrals: 229,753 x .25 = 57,456 lbs. <br /> N in solids from aerobic setting pond: 138,338 x .40 = 55,335 lbs. <br /> Total nitrogen in solids after losses: 112,791 lbs. <br /> k Total nitrogen after losses available-to crops from both solids and liquids: <br /> 251,129 lbs. <br /> Nitrogen requirements by 599.57 acres of farmed properties during the summer season <br /> and 599:57 acres during the winter season: <br /> Rotatingcrops at 599.57 summer 1599.57 winter acres all taking solids and liquids: <br /> p 9 q <br /> F <br /> See Page 47 for References and Bibliography <br /> ©Western Dairy Design Associates,Inc.2003 <br /> Page 29 <br />