public static AvailableToAnimalelementType[] AvailableToAnimal(string PlantName, string OrganName, double PlantHeight,
Biomass Live, Biomass Dead)
{
AvailableToAnimalelementType[] Available = new AvailableToAnimalelementType[2];
Available[0] = new AvailableToAnimalelementType();
Available[0].CohortID = PlantName;
Available[0].Organ = OrganName;
Available[0].AgeID = "live";
Available[0].Bottom = 0.0;
Available[0].Top = PlantHeight;
Available[0].Chem = "digestible";
Available[0].Weight = Live.Wt * Conversions.gm2kg / Conversions.sm2ha;
Available[0].N = Live.N * Conversions.gm2kg / Conversions.sm2ha;
Available[0].P = 0.0; //Live.P * Conversions.gm2kg / Conversions.sm2ha;
Available[0].S = 0.0;
Available[0].AshAlk = 0.0;
Available[1] = new AvailableToAnimalelementType();
Available[1].CohortID = PlantName;
Available[1].Organ = OrganName;
Available[1].AgeID = "dead";
Available[1].Bottom = 0.0;
Available[1].Top = PlantHeight;
Available[1].Chem = "digestible";
Available[1].Weight = Dead.Wt * Conversions.gm2kg / Conversions.sm2ha;
Available[1].N = Dead.N * Conversions.gm2kg / Conversions.sm2ha;
Available[1].P = 0.0; //Dead.P * Conversions.gm2kg / Conversions.sm2ha;
Available[1].S = 0.0;
Available[1].AshAlk = 0.0;
return Available;
}
/// <summary>Initializes a new instance of the <see cref="Biomass"/> class.</summary>
/// <param name="from">From.</param>
public Biomass(Biomass from)
{
_StructuralWt = from.StructuralWt;
_NonStructuralWt = from.NonStructuralWt;
_MetabolicWt = from.MetabolicWt;
_StructuralN = from.StructuralN;
_NonStructuralN = from.NonStructuralN;
_MetabolicN = from.MetabolicN;
}
/// <summary>Sets to.</summary>
/// <param name="a">a.</param>
public void SetTo(Biomass a)
{
_StructuralWt = a.StructuralWt;
_StorageWt = a.StorageWt;
_MetabolicWt = a.MetabolicWt;
_StructuralN = a.StructuralN;
_StorageN = a.StorageN;
_MetabolicN = a.MetabolicN;
_DMDOfStructural = a._DMDOfStructural;
}
/// <summary>Initializes a new instance of the <see cref="Biomass"/> class.</summary>
/// <param name="from">From.</param>
public Biomass(Biomass from)
{
_StructuralWt = from.StructuralWt;
_StorageWt = from.StorageWt;
_MetabolicWt = from.MetabolicWt;
_StructuralN = from.StructuralN;
_StorageN = from.StorageN;
_MetabolicN = from.MetabolicN;
_DMDOfStructural = from.DMDOfStructural;
}
/// <summary>Adds the specified a.</summary>
/// <param name="a">a.</param>
public void Add(Biomass a)
{
_DMDOfStructural = MathUtilities.Divide(_DMDOfStructural * _StructuralWt + a._DMDOfStructural * a._StructuralWt
, _StructuralWt + a._StructuralWt
, 0);
_StructuralWt += a._StructuralWt;
_StorageWt += a._StorageWt;
_MetabolicWt += a._MetabolicWt;
_StructuralN += a._StructuralN;
_StorageN += a._StorageN;
_MetabolicN += a._MetabolicN;
}
/// <summary>Subtracts the specified a.</summary>
/// <param name="a">a.</param>
public void Subtract(Biomass a)
{
_DMDOfStructural = MathUtilities.Divide(_DMDOfStructural * _StructuralWt - a._DMDOfStructural * a._StructuralWt
, _StructuralWt - a._StructuralWt
, 0);
_StructuralWt -= a._StructuralWt;
_StorageWt -= a._StorageWt;
_MetabolicWt -= a._MetabolicWt;
_StructuralN -= a._StructuralN;
_StorageN -= a._StorageN;
_MetabolicN -= a._MetabolicN;
}
/// <summary>
/// Remove some dm. The fraction removed is calculation and put into the RemovedPool so that
/// later one it can be removed from the actual Pool in the update routine.
/// Routine was called giveDMGreenRemoved and giveDMSenescedRemoved in old Plant.
/// </summary>
internal static Biomass RemoveDM(double delta, Biomass Pool, string OrganName)
{
double fraction = MathUtilities.Divide(delta, Pool.Wt, 0.0);
Biomass RemovedPool = Pool * fraction;
double error_margin = 1.0e-6f;
if (delta > Pool.Wt + error_margin)
{
string msg;
msg = "Attempting to remove more green " + OrganName + " biomass than available:-\r\n";
msg += "Removing -" + delta.ToString() + " (g/m2) from " + Pool.Wt.ToString() + " (g/m2) available.";
throw new Exception(msg);
}
return(RemovedPool);
}
public static void CalcNDemand(double dltDm, double dltDmPotRue, double n_conc_crit, double n_conc_max,
Biomass Growth, Biomass Green, double RetranslocationN,
double n_deficit_uptake_fraction,
ref double NDemand, ref double NMax)
{
double part_fract = MathUtilities.Divide(Growth.Wt, dltDm, 0.0);
double dlt_dm_pot = dltDmPotRue * part_fract; // potential dry weight increase (g/m^2)
dlt_dm_pot = MathUtilities.Constrain(dlt_dm_pot, 0.0, dltDmPotRue);
if (Green.Wt > 0.0)
{
// get N demands due to difference between
// actual N concentrations and critical N concentrations
double N_crit = Green.Wt * n_conc_crit; // critical N amount (g/m^2)
double N_potential = Green.Wt * n_conc_max; // maximum N uptake potential (g/m^2)
// retranslocation is -ve for outflows
double N_demand_old = N_crit // demand for N by old biomass (g/m^2)
- (Green.N + RetranslocationN);
if (N_demand_old > 0.0) // Don't allow demand to satisfy all deficit
{
N_demand_old *= n_deficit_uptake_fraction;
}
double N_max_old = N_potential // N required by old biomass to reach N_conc_max (g/m^2)
- (Green.N + RetranslocationN);
if (N_max_old > 0.0)
{
N_max_old *= n_deficit_uptake_fraction; // Don't allow demand to satisfy all deficit
}
// get potential N demand (critical N) of potential growth
double N_demand_new = dlt_dm_pot * n_conc_crit; // demand for N by new growth (g/m^2)
double N_max_new = dlt_dm_pot * n_conc_max; // N required by new growth to reach N_conc_max (g/m^2)
NDemand = N_demand_old + N_demand_new;
NMax = N_max_old + N_max_new;
NDemand = MathUtilities.Constrain(NDemand, 0.0, double.MaxValue);
NMax = MathUtilities.Constrain(NMax, 0.0, double.MaxValue);
}
else
{
NDemand = NMax = 0.0;
}
}
/// <summary>Removes a given amount of biomass (and N) from the plant.</summary>
/// <param name="amountToRemove">The amount of biomass to remove (kg/ha)</param>
public Biomass RemoveBiomass(double amountToRemove)
{
var defoliatedBiomass = new Biomass();
var preRemovalBiomass = AboveGround.Wt * 10;
foreach (var organ in Organs.Cast <IOrganDamage>())
{
if (organ.IsAboveGround)
{
// These calculations convert organ live weight from g/m2 to kg/ha
var amountLiveToRemove = organ.Live.Wt * 10 / preRemovalBiomass * amountToRemove;
var amountDeadToRemove = organ.Dead.Wt * 10 / preRemovalBiomass * amountToRemove;
var fractionLiveToRemove = MathUtilities.Divide(amountLiveToRemove, (organ.Live.Wt * 10), 0);
var fractionDeadToRemove = MathUtilities.Divide(amountDeadToRemove, (organ.Dead.Wt * 10), 0);
var defoliatedDigestibility = organ.Live.DMDOfStructural * fractionLiveToRemove
+ organ.Dead.DMDOfStructural * fractionDeadToRemove;
var defoliatedDM = amountLiveToRemove + amountDeadToRemove;
var defoliatedN = organ.Live.N * 10 * fractionLiveToRemove + organ.Dead.N * 10 * fractionDeadToRemove;
if (defoliatedDM > 0)
{
RemoveBiomass(organ.Name, "Graze",
new OrganBiomassRemovalType()
{
FractionLiveToRemove = fractionLiveToRemove,
FractionDeadToRemove = fractionDeadToRemove
});
defoliatedBiomass += new Biomass()
{
StructuralWt = defoliatedDM,
StructuralN = defoliatedN,
DMDOfStructural = defoliatedDigestibility
};
}
}
}
return(defoliatedBiomass);
}
/// <summary>
/// Remove some dm. The fraction removed is calculation and put into the RemovedPool so that
/// later one it can be removed from the actual Pool in the update routine.
/// Routine was called giveDMGreenRemoved and giveDMSenescedRemoved in old Plant.
/// </summary>
internal static Biomass RemoveDM(double delta, Biomass Pool, string OrganName)
{
double fraction = MathUtilities.Divide(delta, Pool.Wt, 0.0);
Biomass RemovedPool = Pool * fraction;
double error_margin = 1.0e-6f;
if (delta > Pool.Wt + error_margin)
{
string msg;
msg = "Attempting to remove more green " + OrganName + " biomass than available:-\r\n";
msg += "Removing -" + delta.ToString() + " (g/m2) from " + Pool.Wt.ToString() + " (g/m2) available.";
throw new Exception(msg);
}
return RemovedPool;
}
public static void CalcNDemand(double dltDm, double dltDmPotRue, double n_conc_crit, double n_conc_max,
Biomass Growth, Biomass Green, double RetranslocationN,
double n_deficit_uptake_fraction,
ref double NDemand, ref double NMax)
{
double part_fract = MathUtilities.Divide(Growth.Wt, dltDm, 0.0);
double dlt_dm_pot = dltDmPotRue * part_fract; // potential dry weight increase (g/m^2)
dlt_dm_pot = MathUtilities.Constrain(dlt_dm_pot, 0.0, dltDmPotRue);
if (Green.Wt > 0.0)
{
// get N demands due to difference between
// actual N concentrations and critical N concentrations
double N_crit = Green.Wt * n_conc_crit; // critical N amount (g/m^2)
double N_potential = Green.Wt * n_conc_max; // maximum N uptake potential (g/m^2)
// retranslocation is -ve for outflows
double N_demand_old = N_crit // demand for N by old biomass (g/m^2)
- (Green.N + RetranslocationN);
if (N_demand_old > 0.0) // Don't allow demand to satisfy all deficit
N_demand_old *= n_deficit_uptake_fraction;
double N_max_old = N_potential // N required by old biomass to reach N_conc_max (g/m^2)
- (Green.N + RetranslocationN);
if (N_max_old > 0.0)
N_max_old *= n_deficit_uptake_fraction; // Don't allow demand to satisfy all deficit
// get potential N demand (critical N) of potential growth
double N_demand_new = dlt_dm_pot * n_conc_crit; // demand for N by new growth (g/m^2)
double N_max_new = dlt_dm_pot * n_conc_max; // N required by new growth to reach N_conc_max (g/m^2)
NDemand = N_demand_old + N_demand_new;
NMax = N_max_old + N_max_new;
NDemand = MathUtilities.Constrain(NDemand, 0.0, double.MaxValue);
NMax = MathUtilities.Constrain(NMax, 0.0, double.MaxValue);
}
else
NDemand = NMax = 0.0;
}
/// <summary>Sets to.</summary>
/// <param name="a">a.</param>
public void SetTo(Biomass a)
{
_StructuralWt = a.StructuralWt;
_NonStructuralWt = a.NonStructuralWt;
_MetabolicWt = a.MetabolicWt;
_StructuralN = a.StructuralN;
_NonStructuralN = a.NonStructuralN;
_MetabolicN = a.MetabolicN;
}
/// <summary>Adds the specified a.</summary>
/// <param name="a">a.</param>
public void Add(Biomass a)
{
_StructuralWt += a._StructuralWt;
_NonStructuralWt += a._NonStructuralWt;
_MetabolicWt += a._MetabolicWt;
_StructuralN += a._StructuralN;
_NonStructuralN += a._NonStructuralN;
_MetabolicN += a._MetabolicN;
}
/// <summary>Subtracts the specified a.</summary>
/// <param name="a">a.</param>
public void Subtract(Biomass a)
{
_StructuralWt -= a._StructuralWt;
_NonStructuralWt -= a._NonStructuralWt;
_MetabolicWt -= a._MetabolicWt;
_StructuralN -= a._StructuralN;
_NonStructuralN -= a._NonStructuralN;
_MetabolicN -= a._MetabolicN;
}
