| i_Century Home Page | i_Century Table List |
| # | Field name | Century name | Units | Type | Default | Comment | |
| 1 | ID | Long integer | 0 | Primary unique key. One per EPIC run. Links all records in tables Control Records, Field Operations, Output Annual, Output Annual Crop Yields, and Parameters | |||
| 2 | Description | Text(80) | Allow Zero Length = Yes | ||||
| 3 | State FIPS | Integer | Not passed to Century | ||||
| 4 | County FIPS | Integer | Not passed to Century | ||||
| 5 | MLRA | Text (5) | Not passed to Century. Allow Zero Length = Yes | ||||
| 6 | HUC | Long integer | Not passed to Century | ||||
| 7 | PSU | Long integer | Not passed to Century | ||||
| 8 | Point | Integer | Not passed to Century | ||||
| 9 | Rotation | Byte | Not passed to Century | ||||
| 10 | Tillage | Byte | Not passed to Century | ||||
| 11 | Irrigation | Byte | Not passed to Century. | ||||
| 12 | NRI Crop 1992 | Integer | Not passed to Century. | ||||
| 13 | Soil ID | Long integer | 0 | Link to table [Soils]. Not passed to Century | |||
| 14 | Weather ID | Long Integer | 0 | Link to table [Weather by Months]. Not passed to Century | |||
| 15 | Latitude |
degrees |
0 | ||||
| 16 | Longitude |
degrees |
0 | ||||
| 17 | Hydric | Byte | Not passed to Century. | ||||
| 18 | AGPPA | AGPPA | g/m2/y | -40 | Intercept parameter in the equation estimating potential aboveground biomass production for calculation of root/shoot ratio (used only if frtc(1) = 0) | ||
| 19 | AGPPB | AGPPB | g/m2/y/cm | Single Precision Floating Point | 7.7 | Slope parameter in the equation estimating potential aboveground biomass production for calculation of root/shoot ratio (used only if frtc(1) = 0) NOTE - agppb is multiplied by annual precipitation (cm) | |
| 20 | ANEREF(1) | ANEREF(1) | Single Precision Floating Point | 0.9 | Ratio of rain/potential evapotranspiration below which there is no negative impact of soil anaerobic conditions on decomposition | ||
| 21 | ANEREF(2) | ANEREF(2) | Single Precision Floating Point | 2 | Ratio of rain/potential evapotranspiration below which there is maximum negative impact of soil anaerobic conditions on decomposition | ||
| 22 | ANEREF(3) | ANEREF(3) | Single Precision Floating Point | 0.1 | Minimum value of the impact of soil anaerobic conditions on decomposition; functions as a multiplier for the maximum decomposition rate | ||
| 23 | ANIMPT | Single Precision Floating Point | 15 | Slope term used to vary the impact of soil anaerobic conditions on decomposition flows to the passive soil organic matter pool | |||
| 24 | BGPPA | g/m2/y | Single Precision Floating Point | 100 | Intercept parameter in the equation estimating potential belowground biomass production for calculation of root/shoot ratio (used only if frtc(1) = 0) | ||
| 25 | BGPPB | Years | g/m2/y | Single Precision Floating Point | 7 | Slope parameter in the equation estimating potential belowground biomass production for calculation of root/shoot ratio (used only if frtc(1) = 0) NOTE - bgppb is multiplied by annual precipitation (cm) | |
| 26 | CO2PPM(1) | ppm | Single Precision Floating Point | 350 | Initial parts per million for CO2 effect | ||
| 27 | CO2PPM(2) | ppm | Single Precision Floating Point | 640 | Final parts per million for CO2 effect | ||
| 28 | CO2RMP | Byte | 1 | Flag indicating whether CO2 effect should be: 0=step function 1=ramp function | |||
| 29 | DAMR(1,1) | 0 | Fraction of surface E absorbed by residue, N | ||||
| 30 | DAMR(1,2) | Single Precision Floating Point | 0 | Fraction of surface E absorbed by residue, P | |||
| 31 | DAMR(1,3) | 0 | Fraction of surface E absorbed by residue, S | ||||
| 32 | DAMR(2,1) | 0.02 | Fraction of soil E absorbed by residue, N | ||||
| 33 | DAMR(2,2) | 0.02 | Fraction of soil E absorbed by residue, P | ||||
| 34 | DAMR(2,3) | Single Precision Floating Point | 0.04 | Fraction of soil E absorbed by residue, S | |||
| 35 | DAMRMN(1) | Single Precision Floating Point | 15.0 | Minimum C/E ratio allowed in residue after direct absorption, N | |||
| 36 | DAMRMN(2) | Single Precision Floating Point | 150 | Minimum C/E ratio allowed in residue after direct absorption, P | |||
| 37 | DAMRMN(3) | Single Precision Floating Point | 150 | Minimum C/E ratio allowed in residue after direct absorption, S | |||
| 38 | DEC1(1) | Single Precision Floating Point | 3.9 | Maximum surface structural decomposition rate | |||
| 39 | DEC1(2) | 4.9 | Maximum soil structural decomposition rate | ||||
| 40 | DEC2(1) | 14.8 | Maximum surface metabolic decomposition rate | ||||
| 41 | DEC2(2) | 18.5 | Maximum soil structural decomposition rate | ||||
| 42 | DEC3(1) | 6.0 | Maximum decomposition rate of surface organic matter with active turnover | ||||
| 43 | DEC3(2) | 7.3 | Maximum decomposition rate of soil organic matter with active turnover | ||||
| 44 | Dec4 | 0.0045 | Maximum decomposition rate of soil organic matter with slow turnover | ||||
| 45 | Dec5 | 0.2 | Maximum decomposition rate of soil organic matter with intermediate turnover | ||||
| 46 | DECK5 | 5.0 | Available soil water content at which shoot and root death rates are half maximum (cm) | ||||
| 47 | DLIGDF | Single Precision Floating Point | -4.0 | Difference in delta 13C for lignin compared to whole plant delta 13C | |||
| 48 | DRESP | Single Precision Floating Point | 0.999 | Discrimination factor for 13C during decomposition of organic matter due to microbial respiration | |||
| 49 | EDEPTH | Single Precision Floating Point | 0.2 | Depth of the single soil layer where C, N, P, and S dynamics are calculated (only affects C, N, P, S loss by erosion) | |||
| 50 | ELITST | Single Precision Floating Point | 0.4 | Effect of litter on soil temperature relative to live and standing dead biomass | |||
| 51 | ENRICH | Single Precision Floating Point | 2 | Enrichment factor for SOM losses | |||
| 52 | FAVAIL(1) | Single Precision Floating Point | 0.9 | Fraction of N available per month to plants | |||
| 53 | FAVAIL(3) | Single Precision Floating Point | 0.5 | Fraction of S available per month to plants | |||
| 54 | FAVAIL(4) | Single Precision Floating Point | 0.2 | Minimum fraction of P available per month to plants | |||
| 55 | FAVAIL(5) | Single Precision Floating Point | 0.4 | Maximum fraction of P available per month to plants | |||
| 56 | FAVAIL(6) | gN/m^2 | Single Precision Floating Point | 2 | Mineral N in surface layer corresponding to maximum fraction of P available | ||
| 57 | FLEACH(1) | Single Precision Floating Point | 0.2 | Intercept value for a normal month to compute the fraction of mineral N, P, and S which will leach to the next layer when there is a saturated water flow; normal leaching is a function of sand content | |||
| 58 | FLEACH(2) | Single Precision Floating Point | 0.7 | Slope value for a normal month to compute the fraction of mineral N, P, and S which will leach to the next layer when there is a saturated water flow; normal leaching is a function of sand content | |||
| 59 | FLEACH(3) | 1 | Leaching fraction multiplier for N to compute the fraction of mineral N which leaches to the next layer when there is a saturated water flow; normal leaching is a function of sand content | ||||
| 60 | FLEACH(4) | 0 | Leaching fraction multiplier for P to compute the fraction of mineral P which leaches to the next layer when there is a saturated water flow; normal leaching is a function of sand content | ||||
| 61 | FLEACH(5) | 0.1 | Leaching fraction multiplier for S to compute the fraction of mineral S which leaches to the next layer when there is a saturated water flow; normal leaching is a function of sand content | ||||
| 62 | FWLOSS(1) | 0.8 | Scaling factor for interception and evaporation of precipitation by live and standing dead biomass | ||||
| 63 | FWLOSS(2) | 0.8 | Scaling factor for bare soil evaporation of precipitation (h2olos) | ||||
| 64 | FWLOSS(3) | Single Precision Floating Point | 0.65 | Scaling factor for transpiration water loss (h2olos) | |||
| 65 | FWLOSS(4) | 0.75 | Scaling factor for potential evapotranspiration (pevap) | ||||
| 66 | FXMCA | -0.125 | Intercept for effect of biomass on non-symbiotic soil N fixation; used only when nsnfix = 1 | ||||
| 67 | FXMCB | 0.005 | Slope control for effect of biomass on non-symbiotic soil N fixation; used only when nsnfix = 1 | ||||
| 68 | FXMXS | 0.35 | Maximum monthly non-symbiotic soil N-fixation rate (reduced by effect of N:P ratio, used when nsnfix = 1) | ||||
| 69 | FXNPB | 7 | N/P control for N-fixation based on availability of top soil layer (used when nsnfix = 1) | ||||
| 70 | GREMB | 0 | Grazing effect multiplier for grzeff types 4, 5, 6 | ||||
| 71 | IDEF | Byte | 2 | flag for method of computing water effect on decomposition | |||
| 72 | LHZF(1) | 0.2 | Lower horizon factor for active pool; = fraction of active pool (SOM1CI(2,*)) used in computation of lower horizon pool sizes for soil erosion routines | ||||
| 73 | LHZF(2) | 0.4 | Lower horizon factor for slow pool; = fraction of slow pool (SOM2CI(*) used in computation of lower horizon pool sizes for soil erosion routines | ||||
| 74 | LHZF(3) | 0.8 | Lower horizon factor for passive pool; = fraction of passive pool (SOM3CI(*) used in computation of lower horizon pool sizes for soil erosion routines | ||||
| 75 | MINLCH | 18 | Critical water flow for leaching of minerals (cm of h2o leached below 30 cm soil depth) | ||||
| 76 | NSNFIX | 0 | Equals 1 if non-symbiotic N fixation should be based on N:P ratio in mineral pool, otherwise non-symbiotic N fixation is based on annual precipitation | ||||
| 77 | NTSPM | 4 | Number of time steps per month for the decomposition submodel | ||||
| 78 | OMLECH(1) | 0.03 | Intercept for the effect of sand on leaching of organic compounds | ||||
| 79 | OMLECH(2) | 0.12 | Slope for the effect of sand on leaching of organic compo | ||||
| 80 | OMLECH(3) | cm | 60 | Amount of water (cm) that needs to flow out of water layer 2 to produce leaching of organics | |||
| 81 | P1CO2A(1) | 0.6 | Intercept parameter which controls flow from surface organic matter with fast turnover to CO2 (fraction of C lost to CO2 when there is no sand in the soil) | ||||
| 82 | P1CO2A(2) | 0.17 | Intercept parameter which controls flow from soil organic matter with fast turnover to CO2 (fraction of C lost to CO2 when there is no sand in the soil) | ||||
| 83 | P1CO2B(1) | 0 | Slope parameter which controls flow from surface organic matter with fast turnover to CO2 (fraction of C lost to CO2 when there is no sand in the soil) | ||||
| 84 | P1CO2B(2) | Single Precision Floating Point | 0.68 | Slope parameter which controls flow from soil organic matter with fast turnover to CO2 (fraction of C lost to CO2 when there is no sand in the soil) | |||
| 85 | P2CO2 | 0.55 | Controls flow from soil organic matter with intermediate turnover to CO2 (fraction of C lost as CO2 during decomposition) | ||||
| 86 | P3CO2 | 0.55 | Controls flow from soil organic matter with slow turnover to CO2 (fraction of C lost as CO2 during decomposition) | ||||
| 87 | PABRES | 100 | Amount of residue which will give maximum direct absorption of N (Gc/m^2) | ||||
| 88 | PCEMIC(1,1) | 16.0 | maximum C/E ratio for surface microbial pool, N | ||||
| 89 | PCEMIC(1,2) | 200.0 | maximum C/E ratio for surface microbial pool, P | ||||
| 90 | PCEMIC(1,3) | 150.0 | maximum C/E ratio for surface microbial pool, S | ||||
| 91 | PCEMIC(2,1) | 10.0 | Minimum C/E ratio for surface microbial pool, N | ||||
| 92 | PCEMIC(2,2) | 99.0 | Minimum C/E ratio for surface microbial pool, P | ||||
| 93 | PCEMIC(2,3) | 50.0 | Minimum C/E ratio for surface microbial pool, S | ||||
| 94 | PCEMIC(3,1) | 0.02 | Minimum E content of decomposing aboveground material above which the C/E ratio of the surface microbes equals pcemic(2,*), N | ||||
| 95 | PCEMIC(3,2) | 0.0015 | Minimum E content of decomposing aboveground material above which the C/E ratio of the surface microbes equals pcemic(2,*), P | ||||
| 96 | PCEMIC(3,3) | 0.0015 | Minimum E content of decomposing aboveground material above which the C/E ratio of the surface microbes equals pcemic(2,*), S | ||||
| 97 | PEFTXA | 0.25 | Intercept parameter for regression equation to compute the effect of soil texture on the microbe decomposition rate (the effect of texture when there is no sand in the soil) | ||||
| 98 | PEFTXB | 0.75 | Slope parameter for regression equation to compute the effect of soil texture on microbe decomposition rate; the slope is multiplied by the sand content fraction | ||||
| 99 | PHESP(1) | 6 | Minimum pH for determining the effect of pH on the solubility of secondary P (flow of secondary P to mineral P) (for texesp(2) = m * (pH input) + b, m and b calculated using these phesp values) | ||||
| 100 | PHESP(2) | 0.0008 | Value of texesp(2), the solubility of secondary P, corresponding to minimum pH (/yr) | ||||
| 101 | PHESP(3) | 7.6 | Maximum pH for determining effect on solubility of secondary P (flow of secondary P to mineral P) (for texesp(2) = m * (pH input) + b, m and b calculated using these phesp values) | ||||
| 102 | PHESP(4) | 0.015 | Value of texesp(2), the solubility of secondary P, corresponding to maximum pH (/yr) | ||||
| 103 | PLIGST(1) | 3 | Effect of lignin on surface structural or fine branch and large wood decomposition | ||||
| 104 | PLIGST(2) | 3 | Effect of lignin on soil structural or coarse root decomposition | ||||
| 105 | PMCO2(1) | 0.55 | Controls flow from metabolic to CO2 (fraction of C lost as CO2 during decomposition), surface | ||||
| 106 | PMCO2(2) | 0.55 | Controls flow from metabolic to CO2 (fraction of C lost as CO2 during decomposition), soil | ||||
| 107 | PMNSEC(1) | Single Precision Floating Point | 0 | Slope for E; controls the flow from mineral to secondary N (/yr), N | |||
| 108 | PMNSEC(2) | 0 | Slope for E; controls the flow from mineral to secondary N (/yr), P | ||||
| 109 | PMNSEC(3) | 2 | Slope for E; controls the flow from mineral to secondary N (/yr), S | ||||
| 110 | PMNTMP | 0.004 | Effect of biomass on minimum surface temperature | ||||
111 |
PMXBIO |
600 |
Maximum dead biomass (standing dead + 10% litter) level for soil temperature calculation and for calculation of the potential negative effect on plant growth of physical obstruction by standing dead and surface litter |
||||
| 112 | PMXTMP | 0.0035 | Effect of biomass on maximum surface temperature | ||||
| 113 | PPARMN(1) | 0 | Controls the flow from parent material to mineral compartment (fraction of parent material that flows to mineral E), N | ||||
| 114 | PPARMN(2) | 0.0001 | Controls the flow from parent material to mineral compartment (fraction of parent material that flows to mineral E), P | ||||
| 115 | PPARMN(3) | 0.0005 | Controls the flow from parent material to mineral compartment (fraction of parent material that flows to mineral E), S | ||||
| 116 | PPRPTS(1) | 0 | Minimum ratio of available water to PET which would completely limit production assuming WC = 0 | ||||
| 117 | PPRPTS(2) | 1 | Effect of WC on the intercept | ||||
| 118 | PPRPTS(3) | 0.8 | Lowest ratio of available water to PET at which there is no restriction on production | ||||
| 119 | PS1CO2(1) | 0.45 | Controls amount of CO2 loss when structural decomposes to som1, subscripted for surface and soil layer, surface | ||||
| 120 | PS1CO2(2) | 0.55 | Controls amount of CO2 loss when structural decomposes to som1, subscripted for surface and soil layer, soil | ||||
| 121 | PS1S3(1) | Single Precision Floating Point | 0.003 | Intercept for effect of clay on the control for the flow from soil organic matter with fast turnover to som with slow turnover (fraction of C from som1c to som3c) | |||
| 122 | PS1S3(2) | Single Precision Floating Point | 0.032 | Slope for effect of clay on the control for the flow from soil organic matter with fast turnover to som with slow turnover (fraction of C from som1c to som3c) | |||
| 123 | PS2S3(1) | 0.003 | Slope value which controls flow from soil organic matter with intermediate turnover to soil organic matter with slow turnover (fraction of C from som2c to som3c) | ||||
| 124 | PS2S3(2) | 0.009 | Intercept value which controls flow from soil organic matter with intermediate turnover to soil organic matter with slow turnover (fraction of C from som2c to som3c) | ||||
| 125 | PSECMN(1) | 0 | Controls the flow from secondary to mineral E, N | ||||
| 126 | PSECMN(2) | 0.0022 | Controls the flow from secondary to mineral E, P | ||||
| 127 | PSECMN(3) | 0.2 | Controls the flow from secondary to mineral E, S | ||||
| 128 | PSECOC1 | Single Precision Floating Point | 0 | Controls the flow from secondary to occluded P | |||
| 129 | PSECOC2 | Single Precision Floating Point | 0 | ||||
| 130 | RAD1P(1,1) | 12 | Intercept used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, N | ||||
| 131 | RAD1P(2,1) | 3 | Slope used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, N | ||||
| 132 | RAD1P(3,1) | 5 | Minimum allowable C/E used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, N | ||||
| 133 | RAD1P(1,2) | 220 | Intercept used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, P | ||||
| 134 | RAD1P(2,2) | 5 | Slope used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, P | ||||
| 135 | RAD1P(3,2) | 100 | Minimum allowable C/E used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, P | ||||
| 136 | RAD1P(1,3) | 220 | Intercept used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, S | ||||
| 137 | RAD1P(2,3) | 5 | Slope used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, S | ||||
| 138 | RAD1P(3,3) | 100 | Minimum allowable C/E used to calculate addition term for C/E ratio of slow SOM formed from surface active pool, S | ||||
| 139 | RCESTR(1) | 200 | C/E ratio for structural material, N | ||||
| 140 | RCESTR(2) | 500 | C/E ratio for structural material, P | ||||
| 141 | RCESTR(3) | 500 | C/E ratio for structural material, S | ||||
| 142 | RICTRL | 0.015 | Root impact control term used by rtimp; used for calculating the impact of root biomass on nutrient availability | ||||
| 143 | RIINT | 0.8 | Root impact intercept used by rtimp; used for calculating the impact of root biomass on nutrient availability | ||||
| 144 | RSPLIG | 0.3 | Fraction of lignin flow (in structural decomposition) lost as CO2 | ||||
| 145 | SEED | -1 | Random number generator seed value | ||||
| 146 | SPL(1) | 0.85 | Intercept parameter for metabolic (vs. structural) split | ||||
| 147 | SPL(2) | 0.013 | Slope parameter for metabolic split (fraction metabolic is a function of lignin to N ratio) | ||||
| 148 | STRMAX(1) | gC/m2 | 5000 | Maximum amount of structural material in surface layer that will decompose | |||
| 149 | STRMAX(2) | gC/m2 | 5000 | Maximum amount of structural material belowground that will decompose | |||
| 150 | TEFF(1) | Exponential decomposition model | |||||
| 151 | TEFF(2) | Exponential decomposition model | |||||
| 152 | TEFF(3) | Exponential decomposition model | |||||
| 153 | TEFF(4) | ArcTan decomposition model | |||||
| 154 | TEXEPP(1) | Boolean | 1 | Texture effect on parent P mineralization: 1=include the effect of texture using the remaining texepp values with the arctangent function, 0=use pparmn(2) in the weathering equation | |||
| 155 | TEXEPP(2) | Single Precision Floating Point | 0.7 | x location of inflection point used in determining texture effect on parent P mineralization | |||
| 156 | TEXEPP(3) | 0.0001 | y location of inflection point used in determining texture effect on parent P mineralization | ||||
| 157 | TEXEPP(4) | 0.00016 | Step size (distance from the maximum point to the minimum point) used in determining texture effect on parent P mineralization | ||||
| 158 | TEXEPP(5) | 2 | Slope of the line at the inflection point used in determining texture effect on parent P mineralization | ||||
| 159 | TEXESP(1) | 1 | Texture effect on secondary P flow to mineral P: 1=include the effect of pH and sand content using the equation specified by texesp(2) (a function of pH and phesp(1-4)) and texesp(3), 0=to use psecmn(2) in the weathering equation | ||||
| 160 | TEXESP(3) | 0.004 | slope value used in determining effect of sand content on secondary P flow to mineral P | ||||
| 161 | TMAX | deg. C | 45 | Maximum temperature for decomposition | |||
| 162 | TMELT(1) | -8 | Minimum temperature above which at least some snow will melt | ||||
| 163 | TMELT(2) | 4 | Ratio between degrees above the minimum and cm of snow that will melt | ||||
| 164 | TOPT | deg. C | 35 | Optimum temperature for decomposition | |||
| 165 | TSHL | 2.63 | Shape parameter to left of optimum temperature (for decomposition) | ||||
| 166 | TSHR | 0.2 | Shape parameter to left of optimum temperature (for decomposition) | ||||
| 167 | VARAT1(1,1) | 14 | Maximum C/E ratio for material entering som1, N | ||||
| 168 | VARAT1(2,1) | 3 | Minimum C/E ratio for material entering som1, N | ||||
| 169 | VARAT1(3,1) | 2 | Amount of E present when minimum ratio applies, N | ||||
| 170 | VARAT1(1,2) | 150 | Maximum C/E ratio for material entering som1, P | ||||
| 171 | VARAT1(2,2) | 30 | Minimum C/E ratio for material entering som1, P | ||||
| 172 | VARAT1(3,2) | 2 | Amount of E present when minimum ratio applies, P | ||||
| 173 | VARAT1(1,3) | 200 | Maximum C/E ratio for material entering som1, S | ||||
| 174 | VARAT1(2,3) | 50 | Minimum C/E ratio for material entering som1, S | ||||
| 175 | VARAT1(3,3) | 2 | Amount of E present when minimum ratio applies, S | ||||
| 176 | VARAT2(1,1) | 20 | Maximum C/E ratio for material entering som2, N | ||||
| 177 | VARAT2(2,1) | 12 | Minimum C/E ratio for material entering som2, N | ||||
| 178 | VARAT2(3,1) | 2 | Amount of E present when minimum ratio applies, N | ||||
| 179 | VARAT2(1,2) | 400 | Maximum C/E ratio for material entering som2, P | ||||
| 180 | VARAT2(2,2) | 100 | Minimum C/E ratio for material entering som2, P | ||||
| 181 | VARAT2(3,2) | 2 | Amount of E present when minimum ratio applies, P | ||||
| 182 | VARAT2(1,3) | 400 | Maximum C/E ratio for material entering som2, S | ||||
| 183 | VARAT2(2,3) | 100 | Minimum C/E ratio for material entering som2, S | ||||
| 184 | VARAT2(3,3) | 2 | Amount of E present when minimum ratio applies, S | ||||
| 185 | VARAT3(1,1) | 8 | Maximum C/E ratio for material entering som3, N | ||||
| 186 | VARAT3(2,1) | 6 | Minimum C/E ratio for material entering som3, N | ||||
| 187 | VARAT3(3,1) | 2 | Amount of E present when minimum ratio applies, N | ||||
| 188 | VARAT3(1,2) | 200 | Maximum C/E ratio for material entering som3, P | ||||
| 189 | VARAT3(2,2) | 50 | Minimum C/E ratio for material entering som3, P | ||||
| 190 | VARAT3(3,2) | 2 | Amount of E present when minimum ratio applies, P | ||||
| 191 | VARAT3(1,3) | 200 | Maximum C/E ratio for material entering som3, S | ||||
| 192 | VARAT3(2,3) | 50 | Minimum C/E ratio for material entering som3, S | ||||
| 193 | VARAT3(3,3) | 2 | Amount of E present when minimum ratio applies, S | ||||
| 194 | VLOSSE | 0.05 | Fraction per month of excess N (i.e. N left in the soil after nutrient uptake by the plant) which is volatilized | ||||
| 195 | VLOSSG | 0.02 | Fraction per month of gross mineralization which is volatized | ||||
| 196 | XEFCLTEF | 0.25 | |||||
| 197 | Labeling Type | C_LABELING | Byte | ||||
| 198 | Labeling Year | Short integer | |||||
| 199 | Simulate Microcosm | SCHED_MICRO | Boolean | ||||
| 200 | Simulate CO2 Effect | CO2_EFFECT | Boolean | ||||
| 201 | Initial System | Byte | 1=Cropping/Grassland, 2=Forest, 3=Cropping/Grassland and Forest | ||||
| 202 | Initial Crop | Text(5) | Key to table [Crops]. If none specified, first member of crop list is used. | ||||
| 203 | Initial Tree | Text(5) | Key to table [Trees]. If none specified, first member of tree list is used. | ||||
| 204 | Organic Matter Decomposition Model | Byte | 1=Density, 2=Exponential, 3=ArcTan | ||||
| 205 | pH Shift Year | Short integer | |||||
| 206 | Soil Warming Year | Short integer | |||||
| 207 | Soil Warming | ||||||
| 208 | N Scalar Option | Byte | |||||
| 209 | N Scalar Year | Short integer | |||||
| 210 | OMAD Scalar Year | Short integer | |||||
| 211 | Climate Scalar Option | Byte | |||||
| 212 | Climate Scalar Year | Short integer |