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am.C
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// am.C -- Added Matter, i.e. fertilizer and residuals.
//
// Copyright 1996-2001 Per Abrahamsen and Søren Hansen
// Copyright 2000-2002, 2006 Per Abrahamsen and KVL.
//
// This file is part of Daisy.
//
// Daisy is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// Daisy is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser Public License for more details.
//
// You should have received a copy of the GNU Lesser Public License
// along with Daisy; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#define BUILD_DLL
#include "am.h"
#include "aom.h"
#include "chemical.h"
#include "metalib.h"
#include "library.h"
#include "submodeler.h"
#include "frame_model.h"
#include "frame_submodel.h"
#include "time.h"
#include "log.h"
#include "geometry.h"
#include "check.h"
#include "vcheck.h"
#include "mathlib.h"
#include "program.h"
#include "memutils.h"
#include "librarian.h"
#include "unit.h"
#include "treelog.h"
#include "filepos.h"
#include "block_model.h"
#include <numeric>
#include <sstream>
const char *const AM::component = "am";
symbol
AM::library_id () const
{
static const symbol id (component);
return id;
}
struct AM::Implementation
{
// Check.
struct Check_OM_Pools : public VCheck
{
// Check that the OM pools are correct for organic fertilizer.
bool verify (const Metalib&, const Frame&, const symbol key, Treelog&) const;
};
// Content.
bool initialized; // Whether initialize_derived has been called.
Time creation; // When it was created.
const symbol name; // What is was.
const std::vector<AOM*> om; // Organic matter pool.
const double total_C_fraction; // Fraction of C in DM.
// Use this if a living crop is adding to this AM.
struct Lock;
const Lock* lock;
void unlock (); // Crop died.
bool locked () const; // Test if this AM can be safely removed.
symbol crop_name () const; // Name of locked crop.
symbol crop_part_name () const; // Name of locked crop part.
// Simulation.
void output (Log&) const;
bool check (Treelog& err) const;
void mix (const Geometry&, double from, double to, double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil);
void mix (const Geometry&, const Volume&, double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil);
void mix (const Geometry&, double from, double to);
void mix (const Geometry&, const Volume&);
void swap (const Geometry&, double from, double middle, double to,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil);
double total_C (const Geometry& geo) const;
double total_N (const Geometry& geo) const;
double C_at (size_t at) const;
double N_at (size_t at) const;
void pour (std::vector<double>& cc, std::vector<double>& nn); // Move content to cc&nn.
void append_to (std::vector<AOM*>& added); // Add OM's to added.
void distribute (double C, std::vector<double>& om_C, // Helper for 'add' fns.
double N, std::vector<double>& om_N);
void add (double C, double N);// Add dead leafs.
void add (const Geometry& geo, AM::Implementation& other);
void add_surface (const Geometry&, // Add dead roots.
double C, double N,
const std::vector<double>& density);
double top_DM () const;
double top_C () const;
double top_N () const;
void multiply_top (double fraction);
// Create and Destroy.
Implementation (bool initialized,
const Time& c, symbol n, const std::vector<AOM*>& o,
double tcf);
~Implementation ();
};
bool
AM::Implementation::Check_OM_Pools::verify (const Metalib&, const Frame& frame,
const symbol key,
Treelog& msg) const
{
daisy_assert (frame.check (key));
daisy_assert (frame.lookup (key) == Attribute::Model);
daisy_assert (!frame.is_log (key));
daisy_assert (frame.type_size (key) == Attribute::Variable);
if (frame.flag ("initialized", false))
// No checking checkpoints.
return true;
const std::vector<boost::shared_ptr<const FrameModel>/**/>& om_frame
= frame.model_sequence (key);
int missing_initial_fraction = 0;
int missing_C_per_N = 0;
double total_fractions = 0.0;
bool same_unspecified = false;
for (size_t i = 0; i < om_frame.size (); i++)
{
if (!om_frame[i]->check ("initial_fraction"))
missing_initial_fraction++;
else
total_fractions += om_frame[i]->number ("initial_fraction");
if (!om_frame[i]->check ("C_per_N"))
missing_C_per_N++;
if (!om_frame[i]->check ("initial_fraction")
&& !om_frame[i]->check ("C_per_N"))
same_unspecified = true;
}
daisy_assert (total_fractions >= 0.0);
bool ok = true;
if (total_fractions < 1e-10 && !same_unspecified)
{
msg.error ("you should specify at least one non-zero fraction");
ok = false;
}
if (approximate (total_fractions, 1.0))
{
msg.error ("sum of specified fractions should be < 1.0");
ok = false;
}
if (total_fractions > 1.0)
{
msg.error ("sum of fractions should be < 1.0");
ok = false;
}
if (missing_initial_fraction != 1)
{
msg.error ("you should leave initial_fraction in one om unspecified");
ok = false;
}
if (missing_C_per_N != 1)
{
msg.error ("You must leave C/N unspecified in exactly one pool");
ok = false;
}
return ok;
}
struct AM::Implementation::Lock
{
// Content.
symbol crop;
symbol part;
// Simulation.
void output (Log&) const;
// Create and Destroy.
static void load_syntax (Frame&);
Lock (symbol c, symbol p);
Lock (const FrameSubmodel& al);
};
void
AM::Implementation::Lock::output (Log& log) const
{
output_variable (crop, log);
output_variable (part, log);
}
void
AM::Implementation::Lock::load_syntax (Frame& frame)
{
frame.declare_string ("crop", Attribute::State,
"Crop to which this am is locked");
frame.declare_string ("part", Attribute::State,
"Crop part to which this am is locked");
}
AM::Implementation::Lock::Lock (symbol c, symbol p)
: crop (c),
part (p)
{ }
AM::Implementation::Lock::Lock (const FrameSubmodel& al)
: crop (al.name ("crop")),
part (al.name ("part"))
{ }
void
AM::Implementation::unlock ()
{
daisy_assert (lock != NULL);
delete lock;
lock = NULL;
}
bool
AM::Implementation::locked () const
{ return lock != NULL; }
symbol
AM::Implementation::crop_name () const
{
daisy_assert (lock);
return lock->crop;
}
symbol
AM::Implementation::crop_part_name () const
{
daisy_assert (lock);
return lock->part;
}
void
AM::Implementation::distribute (double C, std::vector<double>& om_C,
double N, std::vector<double>& om_N)
{
daisy_assert (C >= 0.0);
daisy_assert (N >= 0.0);
daisy_assert (!std::isnormal (C) || N > 0.0);
// Fill out the blanks.
int missing_fraction = -1;
int missing_C_per_N = -1;
for (size_t i = 0; i < om.size (); i++)
{
const double fraction = om[i]->initial_fraction;
const double C_per_N = om[i]->initial_C_per_N;
if (!approximate (fraction, OM::Unspecified))
{
om_C[i] = C * fraction;
daisy_assert (om_C[i] >= 0.0);
if (!approximate (C_per_N, OM::Unspecified))
{
om_N[i] = om_C[i] / C_per_N;
daisy_assert (om_N[i] >= 0.0);
}
else
{
daisy_assert (missing_C_per_N < 0);
missing_C_per_N = i;
}
}
else
{
daisy_assert (missing_fraction < 0);
missing_fraction = i;
if (approximate (om[i]->initial_C_per_N, OM::Unspecified))
{
daisy_assert (missing_C_per_N < 0);
missing_C_per_N = i;
}
}
}
daisy_assert (missing_C_per_N > -1);
daisy_assert (missing_fraction > -1);
// Calculate C in missing fraction.
om_C[missing_fraction] = C - accumulate (om_C.begin (), om_C.end (), 0.0);
daisy_assert (om_C[missing_fraction] >= 0.0);
// Calculate N in missing C/N.
if (missing_fraction != missing_C_per_N)
{
const double C_per_N = om[missing_fraction]->initial_C_per_N;
daisy_assert (C_per_N >= 0.0);
om_N[missing_fraction] = om_C[missing_fraction] / C_per_N;
daisy_assert (om_N[missing_fraction] >= 0.0);
}
om_N[missing_C_per_N] = N - accumulate (om_N.begin (), om_N.end (), 0.0);
if (om_N[missing_C_per_N] < 0.0)
{
// Too little N, distribute evenly.
for (size_t i = 0; i < om.size (); i++)
{
const double fraction = om[i]->initial_fraction;
if (approximate (fraction, OM::Unspecified))
{
daisy_assert (i == missing_fraction);
om_N[i] = 0.0;
}
else
om_N[i] = N * fraction;
}
om_N[missing_fraction]
= N - accumulate (om_N.begin (), om_N.end (), 0.0);
daisy_assert (om_N[missing_fraction] >= 0.0);
}
daisy_assert (om_N[missing_C_per_N] >= 0.0);
daisy_assert (approximate (C, accumulate (om_C.begin (), om_C.end (), 0.0)));
daisy_assert (approximate (N, accumulate (om_N.begin (), om_N.end (), 0.0)));
}
void
AM::Implementation::add (double C, double N)
{
daisy_assert (C >= 0);
daisy_assert (N >= 0);
std::vector<double> om_C (om.size (), 0.0);
std::vector<double> om_N (om.size (), 0.0);
distribute (C, om_C, N, om_N);
for (size_t i = 0; i < om.size (); i++)
om[i]->add (om_C[i], om_N[i]);
}
void
AM::Implementation::add (const Geometry& geo,
AM::Implementation& other)
{
daisy_assert (&other != this);
const double old_C = total_C (geo) + other.total_C (geo);
const double old_N = total_N (geo) + other.total_N (geo);
std::vector<double> cc (geo.cell_size (), 0.0);
std::vector<double> nn (geo.cell_size (), 0.0);
other.pour (cc, nn);
for (size_t at = 0; at < geo.cell_size (); at++)
{
std::vector<double> om_C (om.size (), 0.0);
std::vector<double> om_N (om.size (), 0.0);
distribute (cc[at], om_C, nn[at], om_N);
for (size_t i = 0; i < om.size (); i++)
om[i]->add (at, om_C[i], om_N[i]);
}
add (other.top_C (), other.top_N ());
const double new_C = total_C (geo);
const double new_N = total_N (geo);
daisy_assert (approximate (old_C, new_C));
daisy_assert (approximate (old_N, new_N));
}
void
AM::Implementation::add_surface (const Geometry& geo,
double C, double N,
const std::vector<double>& density)
{
daisy_assert (C >= 0);
daisy_assert (N >= 0);
C *= geo.surface_area ();
N *= geo.surface_area ();
const double old_C = total_C (geo);
const double old_N = total_N (geo);
std::vector<double> om_C (om.size (), 0.0);
std::vector<double> om_N (om.size (), 0.0);
distribute (C, om_C, N, om_N);
for (size_t i = 0; i < om.size (); i++)
om[i]->add (geo, om_C[i], om_N[i], density);
daisy_assert (approximate (old_C + C, total_C (geo)));
daisy_assert (approximate (old_N + N, total_N (geo)));
}
double
AM::Implementation::top_DM () const
{ return top_C () / total_C_fraction; }
double
AM::Implementation::top_C () const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->top_C;
return total;
}
double
AM::Implementation::top_N () const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->top_N;
return total;
}
void
AM::Implementation::multiply_top (double fraction)
{
for (size_t i = 0; i < om.size (); i++)
{
om[i]->top_N *= fraction;
om[i]->top_C *= fraction;
}
}
void
AM::Implementation::append_to (std::vector<AOM*>& added)
{
for (unsigned i = 0; i < om.size (); i++)
{
daisy_assert (std::isfinite (om[i]->initial_C_per_N));
added.push_back (om[i]);
}
}
void
AM::Implementation::output (Log& log) const
{
output_variable (initialized, log);
if (creation != Time (1, 1, 1, 1))
output_submodule (creation, "creation", log);
output_variable (name, log);
if (lock)
output_submodule (*lock, "lock", log);
output_list (om, "om", log, AOM::component);
}
bool
AM::Implementation::check (Treelog& /*err*/) const
{
bool ok = true;
return ok;
}
void
AM::Implementation::mix (const Geometry& geo,
double from, double to, double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{
const double old_C = total_C (geo);
const double old_N = total_N (geo);
for (size_t i = 0; i < om.size (); i++)
{
om[i]->penetrate (geo, from, to, penetration,
tillage_N_top, tillage_C_top,
tillage_N_soil, tillage_C_soil);
om[i]->mix (geo, from, to,
tillage_N_soil, tillage_C_soil);
}
const double new_C = total_C (geo);
const double new_N = total_N (geo);
daisy_assert (approximate (new_C, old_C));
daisy_assert (approximate (new_N, old_N));
}
void
AM::Implementation::mix (const Geometry& geo,
const Volume& volume, double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{
const double old_C = total_C (geo);
const double old_N = total_N (geo);
for (size_t i = 0; i < om.size (); i++)
{
om[i]->penetrate (geo, volume, penetration,
tillage_N_top, tillage_C_top,
tillage_N_soil, tillage_C_soil);
om[i]->mix (geo, volume, tillage_N_soil, tillage_C_soil);
}
const double new_C = total_C (geo);
const double new_N = total_N (geo);
daisy_assert (approximate (new_C, old_C));
daisy_assert (approximate (new_N, old_N));
}
void
AM::Implementation::swap (const Geometry& geo,
const double from, const double middle,
const double to,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{
const double old_C = total_C (geo);
const double old_N = total_N (geo);
for (size_t i = 0; i < om.size (); i++)
om[i]->swap (geo, from, middle, to,
tillage_N_soil, tillage_C_soil);
const double new_C = total_C (geo);
const double new_N = total_N (geo);
daisy_assert (approximate (new_C, old_C));
daisy_assert (approximate (new_N, old_N));
}
double
AM::Implementation::total_C (const Geometry& geo) const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->full_C (geo);
return total;
}
double
AM::Implementation::total_N (const Geometry& geo) const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->full_N (geo);
return total;
}
double
AM::Implementation::C_at (const size_t at) const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->C_at (at);
return total;
}
double
AM::Implementation::N_at (const size_t at) const
{
double total = 0.0;
for (size_t i = 0; i < om.size (); i++)
total += om[i]->N_at (at);
return total;
}
void
AM::Implementation::pour (std::vector<double>& cc, std::vector<double>& nn)
{
for (size_t i = 0; i < om.size (); i++)
om[i]->pour (cc, nn);
}
AM::Implementation::Implementation (const bool i,
const Time& c, const symbol n,
const std::vector<AOM*>& o,
const double tcf)
: initialized (i),
creation (c),
name (n),
om (o),
total_C_fraction (tcf),
lock (NULL)
{ }
AM::Implementation::~Implementation ()
{
if (lock)
delete lock;
sequence_delete (om.begin (), om.end ());
}
symbol
AM::real_name () const
{ return impl->name; }
void
AM::output (Log& log) const
{ impl->output (log); }
void
AM::append_to (std::vector<AOM*>& added)
{ impl->append_to (added); }
bool
AM::check (Treelog& err) const
{ return impl->check (err); }
void
AM::mix (const Geometry& geo,
const double from, const double to, const double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{ impl->mix (geo, from, to, penetration,
tillage_N_top, tillage_C_top,
tillage_N_soil, tillage_C_soil); }
void
AM::mix (const Geometry& geo,
const Volume& volume, const double penetration,
double& tillage_N_top, double& tillage_C_top,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{ impl->mix (geo, volume, penetration,
tillage_N_top, tillage_C_top,
tillage_N_soil, tillage_C_soil); }
void
AM::swap (const Geometry& geo,
const double from, const double middle, const double to,
std::vector<double>& tillage_N_soil,
std::vector<double>& tillage_C_soil)
{ impl->swap (geo, from, middle, to, tillage_N_soil, tillage_C_soil); }
double
AM::total_C (const Geometry& geo) const
{ return impl->total_C (geo); }
double
AM::total_N (const Geometry& geo) const
{ return impl->total_N (geo); }
double
AM::C_at (size_t at) const
{ return impl->C_at (at); }
double
AM::N_at (size_t at) const
{ return impl->N_at (at); }
void
AM::pour (std::vector<double>& cc, std::vector<double>& nn)
{ impl->pour (cc, nn); }
void
AM::add (double C, double N)
{ impl->add (C, N); }
void
AM::add (const Geometry& geo, AM& other)
{ impl->add (geo, *other.impl); }
void
AM::add_surface (const Geometry& geo,
double C, double N,
const std::vector<double>& density)
{ impl->add_surface (geo, C, N, density); }
double
AM::top_DM () const
{ return impl->top_DM (); }
double
AM::top_C () const
{ return impl->top_C (); }
double
AM::top_N () const
{ return impl->top_N (); }
void
AM::multiply_top (double fraction)
{ impl->multiply_top (fraction); }
void
AM::unlock ()
{ impl->unlock (); }
bool
AM::locked () const
{ return impl->locked (); }
symbol
AM::crop_name () const
{ return impl->crop_name (); }
symbol
AM:: crop_part_name () const
{ return impl->crop_part_name (); }
const VCheck&
AM::check_om_pools ()
{
static Implementation::Check_OM_Pools check;
return check;
}
AM&
AM::create (const Metalib& metalib, const FrameModel& frame, const Geometry& geo,
const Time& now, Treelog& msg)
{
AM& am = *Librarian::build_frame<AM> (metalib, msg, frame, "fertilizer");
am.impl->creation = now;
am.initialize (geo, -42.42e42);
return am;
}
// Crop part.
AM&
AM::create (const Metalib& metalib, const Geometry& geo, const Time& now,
const std::vector<boost::shared_ptr<const FrameModel>/**/>& ol,
const symbol sort, const symbol part,
AM::lock_type lock, Treelog& msg)
{
const Library& library = metalib.library (AM::component);
FrameModel frame (library.model ("state"), Frame::parent_link);
frame.set ("initialized", true);
frame.set ("name", sort + "/" + part);
frame.set ("om", ol);
AM& am = *Librarian::build_frame<AM> (metalib, msg, frame, "crop part");
am.impl->creation = now;
for (size_t i = 0; i < am.impl->om.size (); i++)
am.impl->om[i]->initialize (geo.cell_size ());
if (lock == AM::Locked)
am.impl->lock = new AM::Implementation::Lock (sort, part);
return am;
}
const std::vector<symbol>&
AM::default_AM ()
{
static const struct DefaultAM : public std::vector<symbol>
{
DefaultAM ()
{
push_back ("AOM-SLOW");
push_back ("AOM-FAST");
}
} am;
return am;
}
double
AM::get_NO3 (const Metalib& metalib, const FrameModel& al)
{
if (al.check ("weight"))
{
if (is_organic (metalib, al))
{
// Organic fertilizer.
const double weight = al.number ("weight")
* al.number ("dry_matter_fraction")
* 0.01; // T w.w. / ha --> g / cm²
const double N = weight * al.number ("total_N_fraction");
return N * al.number ("NO3_fraction");
}
// Mineral fertilizer.
daisy_assert (is_mineral (metalib, al));
return al.number ("weight")
* (1.0 - al.number ("NH4_fraction"))
* (1000.0 / ((100.0 * 100.0) * (100.0 * 100.0))); // kg/ha -> g/cm^2
}
// Other.
return al.number ("NO3");
}
double
AM::get_NH4 (const Metalib& metalib, const FrameModel& al)
{
daisy_assert (IM::storage_unit () == symbol ("g/cm^2"));
if (al.check ("weight"))
{
const double volatilization = al.number ("volatilization");
if (is_organic (metalib, al))
{
// Organic fertilizer.
const double weight = al.number ("weight")
* al.number ("dry_matter_fraction")
* 0.01; // T w.w. / ha --> g / cm²
const double N = weight * al.number ("total_N_fraction");
return N * al.number ("NH4_fraction") * (1.0 - volatilization);
}
// Mineral fertilizer.
daisy_assert (is_mineral (metalib, al));
return al.number ("weight")
* al.number ("NH4_fraction") * (1.0 - volatilization)
* (1000.0 / ((100.0 * 100.0) * (100.0 * 100.0))); // kg/ha -> g/cm^2
}
// Other.
daisy_assert (!al.check ("volatilization"));
return al.number ("NH4");
}
IM
AM::get_IM (const Metalib& metalib, const Unit& unit, const FrameModel& al)
{
daisy_assert (unit.native_name () == IM::storage_unit ());
IM result (unit);
result.set_value (Chemical::NH4 (), unit, get_NH4 (metalib, al));
result.set_value (Chemical::NO3 (), unit, get_NO3 (metalib, al));
return result;
}
double
AM::get_volatilization (const Metalib& metalib, const FrameModel& al)
{
if (al.check ("weight"))
{
const double volatilization = al.number ("volatilization");
if (is_organic (metalib, al))
{
// Organic fertilizer.
const double weight = al.number ("weight")
* al.number ("dry_matter_fraction")
* 100.0; // T w.w. / ha --> g / m^2
const double N = weight * al.number ("total_N_fraction");
return N * al.number ("NH4_fraction") * volatilization;
}
// Mineral fertilizer.
daisy_assert (is_mineral (metalib, al));
return al.number ("weight")
* al.number ("NH4_fraction") * volatilization
* 0.1; // kg/ha -> g/m^2
}
// Other.
daisy_assert (!al.check ("volatilization"));
return 0.0;
}
double
AM::get_DM (const Metalib& metalib, const FrameModel& al) // [Mg DM/ha]
{
if (al.check ("weight") && is_organic (metalib, al))
return al.number ("weight") * al.number ("dry_matter_fraction");
return 0.0;
}
double
AM::get_water (const Metalib& metalib, const FrameModel& al) // [mm]
{
if (al.check ("weight") && is_organic (metalib, al))
return al.number ("weight")
* (1.0 - al.number ("dry_matter_fraction"))
* 0.1; // t/ha -> mm
return 0.0;
}
void
AM::set_utilized_weight (const Metalib& metalib,
FrameModel& am, const double weight)
{
if (is_mineral (metalib, am))
am.set ("weight", weight);
else
{
daisy_assert (is_organic (metalib, am));
daisy_assert (am.check ("total_N_fraction"));
daisy_assert (am.check ("dry_matter_fraction"));
const double N_fraction = am.number ("total_N_fraction");
const double utilization = am.number ("first_year_utilization", 1.0);
const double dry_matter_fraction = am.number ("dry_matter_fraction");
const double kg_per_ton = 1000.0;
am.set ("weight", weight
/ (dry_matter_fraction *N_fraction * utilization * kg_per_ton));
}
}
double
AM::utilized_weight (const Metalib& metalib, const FrameModel& am)
{
if (am.check ("first_year_utilization")
&& am.check ("dry_matter_fraction")
&& am.check ("total_N_fraction")
&& am.check ("weight"))
{
const double kg_per_ton = 1000.0;
return am.number ("weight")
* am.number ("dry_matter_fraction")
* am.number ("total_N_fraction")
* am.number ("first_year_utilization")
* kg_per_ton;
}
else if (is_mineral (metalib, am))
return am.number ("weight");
return 0.0;
}
double
AM::second_year_utilization (const Metalib&, const FrameModel& am)
{
if (am.check ("second_year_utilization")
&& am.check ("dry_matter_fraction")
&& am.check ("total_N_fraction")
&& am.check ("weight"))
{
const double kg_per_ton = 1000.0;
return am.number ("weight")
* am.number ("dry_matter_fraction")
* am.number ("total_N_fraction")
* am.number ("second_year_utilization")
* kg_per_ton;
}
return 0.0;
}
void
AM::set_mineral (const Metalib&, FrameModel& am, double NH4, double NO3)
{
const double total_N = NH4 + NO3;
am.set ("weight", total_N);
am.set ("NH4_fraction", (total_N > 0.0) ? NH4 / total_N : 0.0);
am.set ("volatilization", 0.0);
}
bool
AM::is_fertilizer (const Metalib& metalib, const FrameModel& am)
{ return is_mineral (metalib, am) || is_organic (metalib, am); }
bool
AM::is_mineral (const Metalib& metalib, const FrameModel& am)
{
Library& library = metalib.library (component);
return library.is_derived_from (am.type_name (), "mineral");
}
bool
AM::is_organic (const Metalib& metalib, const FrameModel& am)
{
Library& library = metalib.library (component);
return library.is_derived_from (am.type_name (), "organic");
}
AM::AM (const BlockModel& al)
: ModelFramed (al),
impl (new Implementation
(al.flag ("initialized"),
al.check ("creation")
? Time (al.submodel ("creation"))
: Time (1, 1, 1, 1),
al.check ("name") ? al.name ("name") : al.type_name (),
Librarian::build_vector<AOM> (al, "om"),
al.number ("total_C_fraction", 0.4)))
{
if (al.check ("lock"))
impl->lock = new AM::Implementation::Lock (al.submodel ("lock"));
}
void
AM::initialize (const Geometry& geo, const double max_rooting_depth)
{
for (size_t i = 0; i < impl->om.size (); i++)
impl->om[i]->initialize (geo.cell_size ());
if (frame ().check ("lock"))
impl->lock = new Implementation::Lock (frame ().submodel ("lock"));
if (!impl->initialized)
{
impl->initialized = true;
initialize_derived (geo, max_rooting_depth);
}
}
AM::~AM ()
{ }
static struct AMInit : public DeclareComponent
{
AMInit ()
: DeclareComponent (AM::component, "\
The 'am' component describes various kinds of fertilizer and other\n\
added matter such as crop residues. In particular, it describes how\n\
they decompose.")
{ }