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rMitrose" c®HHecteon caHmodsalta®trose Dry: Wet: Fic attle in freestalls and flushed concrete lanes: Collected @ Corrals Flushed from Cow Lanes 20% 80% Lactating caws @ 1,027 lbs.NIDay 205 lbs 822 lbs Dry cows @ 0 lbs.NIDay 0 lbs 0 lbs IIIBred heifers @ 318 lbs.NIDay 64 lbs 254 lbs Calves-1 yr.to bred @. 106 lbs.NIDay 21 lbs 85 lbs Calves-3 mos.to 1 yr.@ 153 lbs.NIDay 31 lbs 122 lbs Baby calves @ 30 lbs.NIDay 6 lbs 24 lbs Fotal Nitrogen collected per day: 327 lbs Per day,Dry 1,307 lbs Per day,Dry Dry: Wet: Cattle in corrals and flushed feed lanes: Collected @ Corrals Flushed from Cow Lanes 40% 60% Lactating cows @ 0 lbs.NIDay 0 lbs 0 lbs + Dry cows @ 0 lbs.NIDay 0 lbs 0 lbs Bred heifers @ 0 lbs.NIDay 0 Ips 0 lbs Calves-1 yr.to bred @ 0 lbs.NIDay 0 lbs 0 lbs Calves-3 mos,to 1 yr.@ 0 lbs.NIDay 0 lbs 0 lbs Baby calves @ 0 lbs.NIDay 0 lbs 0 lbs Total Nitrogen collected per day: - lbs per day,Dry - Ids per day,Dry Dry: Wet: FCattle In corrals(Scraped): Collected @ Corrals 100% Lactating cows @ 0 lbs.NIDay 0 lbs r Dry cows @ 107 lbs.NIDay 107 lbs Bred heifers @ 0 lbs.NIDay 0 lbs Calves-1 yr.to bred @ 0 lbs.NIDay 0 lbs Calves-3 mos.to 1 yr.@ 0 lbs.NIDay 0 lbs Baby calves @ 0 lbs,NIDay 0 lbs Total Nitrogen collected per day: 107 Ibs per day,Dry Itrogen flushed from concrete cow lanes will Flow through settling ponds. Settling ponds typically collect 80%of the solids prior to reaching the lagoon. Settling ponds retain approximately 20%of the nitrogen prior to reaching the lagoon, Lbs of flushed nitrogen collected in settling pond 20% x 1,307 261 lbs,per day F Lbs of nitrogen reaching anaerobic lagoon 80% x 1,307 1,045 lbs.per day Yearly nitrogen production: Total nitrogen in solids per year from corrals: 434 x 365 158,456 Ib/NlYear FTotal nitrogen in solids per year in aerobic settling pond: 261 x365 95,381 IblNlYear Total nitrogen in liquids at anaerobic lagoon: 1,045 x365 381,523 Ib/NNear Nitrogen retention(losses)Calculations from storage: Nitrogen retained from storage in dry lot corrals: 1 25-70% Use 25% Nitrogen retained from storage in aerobic settling pond: 35-45% Use 40% Nitrogen retained from storage in anaerobic lagoons: 20-35% Use 25%. FLbs of nitrogen per year available after losses in storage: Solids: N in solids from corrals: 158,456 x .25 39,614.09 IblNlYear N in solids from aerobic setting pond: 95,381 x .40 38,152 IblNlYear (Total nitrogen in solids after losses: 77,766 IblNlYear a Liquids: N in liquids from anaerobic lagoon after losses: 381,523 x .25 95,381 IblNlYear r Total nitrogen after losses available to crops from both solids and liquids: 173,147 IblNlYear Nitrogen requirements by the acres of farmed properties during the summer season and winter season all taking solids and liquids: Crop AcresN Requirement Com silage(35T) 0=$ 50 lbs.of nitrogen per crop 151,893 Ihs,N Wheat silage- e0i215 lbs.of nitrogen per crop: 106,325 lbs.N Alfalfa- ;'p n 8473lbs,of nitrogen per crop: lbs.N ��. .. r Nitrogen required at these fields 258,217 lbs.N "