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A. MANURE WASTE LOADING <br /> N <br /> A aj.::LL AVAIL Y3M' LBS/IODRY WT. A,\[GLINT RM.PRODUCED EVERY 4 M05.(TONS) TOTALN(LBS) <br /> 1.8 FP/DAY X 80 DAYS=144FV X 30 LBS/FV=2.1 TONS 80 LBS <br /> BOARS 37 58 LHS <br /> SOWS 37 L3 Fr-/DAY X 80 DAYS=104FI°X 30 LBS/FP=1.6 TONS <br /> MARKET 30 14.4 MIDAY X 80 DAYS=1152FV X 30LBS/Fr3= 17.3 TONS 518.LBS <br /> SHEEP 17 6.2 FTVDAY X 80 DAYS=496FP X 30 LBS/FP=7.4 TONS 186 LBS <br /> LBS <br /> GOATS 17 4.2 FP/DAY X 80 DAYS=336FP X30 LBSIFP-5.0 TONS 1081 LBS <br /> CALFS 16 56.3FP/DAY X 80 DAYS=4504F 'X 30 LBS/F P=68 TONS <br /> 1950 LBS N <br /> TOTALS <br /> An approximate 30% nitrogen loss will occur over the length of manure storage, for a plant <br /> available nitrogen weight 1365 lbs. Sudangrass requires approximately 325 lbs N per acre: <br /> 325 lbs/ac x 7.0 ac = 2275 lbs N needed for each crop. Therefore, the wastewater effluent can <br /> supply no greater than 2275-1365 = 910 lbs N over 7.0 ac (130 units) for each crop, 3X per yr. <br /> B. SEPTIC WASTEWATER LOADING <br /> Septic effluent nitrogen concentration (avg) = 40 mg N/L <br /> Septic wastewater flows per day= 250 gallons/day = 948 L/day x 40 mg N/L = 0.0379 kg N/day <br /> 0.0379 kg N/day x 260 working days/yr= 10 kg N/yr or 22 lbs N/yr. <br /> -48- <br /> Vaffey 3 9 search <br />