TABLE 41.  HORSE UNPAVED STABLE MANURE CHARACTERISTICS *
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Parameter Unitsa Total Parameter Concentration Parameter Mass
No of ------------------------------------------------------------------------------- -----------lb/day/------------
Observ minimum maximum median mean std dev head 1000 lb
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Manureb lb/1000 lb/day est - - - 33 - 33 33
Density lb/ft3 1 14 14 14 14 - - -
TS %wb 29 25 90 44 50 19 16 16
VS %db 2 80 84 82 82 2.2 13 13
BOD5 mg/kg 1 9756 9756 9756 9756 - 0.32 0.32
COD mg/kg 7 40027 59701 52364 51110 5840 1.7 1.7
pH 1 3.8 3.8 3.8 3.8 - - -
TKN lb/ton 28 5.4 28 12 13 5.3 0.21 0.21
NH3N %tkn 3 6.7 29 9.4 15 9.7 0.031 0.031
P2O5 lb/ton 26 3.8 29 6.7 9.7 6.4 0.16 0.16
PO4 %p2o5 1 35 35 35 35 - 0.056 0.056
K2O lb/ton 26 1.4 41 12 14 9.6 0.23 0.23
Al lb/ton 1 2.6 2.6 2.6 2.6 - 0.042 0.042
B lb/ton 13 0.0046 0.020 0.0071 0.0097 0.0052 0.00016 0.00016
Ca lb/ton 15 3.0 20 7.4 8.7 5.1 0.14 0.14
Cd lb/ton 1 0.00044 0.00044 0.00044 0.00044 - 0.0000071 0.0000071
Cr lb/ton 1 0.012 0.012 0.012 0.012 - 0.00019 0.00019
Cu lb/ton 16 0.0066 0.093 0.016 0.022 0.020 0.00036 0.00036
Fe lb/ton 14 0.41 4.7 1.9 2.1 1.4 0.034 0.034
Mg lb/ton 16 1.0 11 2.6 3.4 2.5 0.056 0.056
Mn lb/ton 17 0.075 0.64 0.17 0.22 0.17 0.0035 0.0035
Mo lb/ton 5 0.00019 0.00074 0.00029 0.00044 0.00023 0.0000072 0.0000072
Na lb/ton 10 0.24 4.0 0.99 1.3 1.1 0.021 0.021
Ni lb/ton 1 0.024 0.024 0.025 0.025 - 0.00040 0.00040
Pb lb/ton 1 0.031 0.031 0.031 0.031 - 0.00050 0.00050
S lb/ton 15 0.77 7.5 2.1 2.5 1.8 0.041 0.041
Zn lb/ton 15 0.042 0.26 0.065 0.090 0.060 0.0015 0.0015
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* References:Biological & Agricultural Engineering Dept, North Carolina State University, Jan 1994.
Agronomic Division, North Carolina Department of Agriculture & Consumer Services.
a All concentrations as is or wet basis (wb) except as noted dry matter basis (db); all mass values wb.
b Stable manure and bedding.
c Mean value extrapolated from other data; measured values not available.