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zalf-rpm · May 29, 2024 · 11c0bb2 · 11c0bb2
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commit 11c0bb2
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Showing 10 changed files with 71 additions and 102 deletions.
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/src/core/crop-module.cpp b/src/core/crop-module.cpp
@@ -35,6 +35,7 @@ Copyright (C) Leibniz Centre for Agricultural Landscape Research (ZALF)
 #include "voc-common.h"
 #include "photosynthesis-FvCB.h"
 #include "O3-impact.h"
+#include "io/output.h"
 
 const double PI = 3.14159265358979323;
 
@@ -492,7 +493,6 @@ void CropModule::deserialize(mas::schema::model::monica::CropModuleState::Reader
   dyingOut = reader.getDyingOut();
   vc_AccumulatedETa = reader.getAccumulatedETa();
   vc_AccumulatedTranspiration = reader.getAccumulatedTranspiration();
-  vc_AccumulatedPrimaryCropYield = reader.getAccumulatedPrimaryCropYield();
   vc_sumExportedCutBiomass = reader.getSumExportedCutBiomass();
   vc_exportedCutBiomass = reader.getExportedCutBiomass();
   vc_sumResidueCutBiomass = reader.getSumResidueCutBiomass();
@@ -758,7 +758,6 @@ void CropModule::serialize(mas::schema::model::monica::CropModuleState::Builder
   builder.setDyingOut(dyingOut);
   builder.setAccumulatedETa(vc_AccumulatedETa);
   builder.setAccumulatedTranspiration(vc_AccumulatedTranspiration);
-  builder.setAccumulatedPrimaryCropYield(vc_AccumulatedPrimaryCropYield);
   builder.setSumExportedCutBiomass(vc_sumExportedCutBiomass);
   builder.setExportedCutBiomass(vc_exportedCutBiomass);
   builder.setSumResidueCutBiomass(vc_sumResidueCutBiomass);
@@ -1176,32 +1175,27 @@ pair<double, double> CropModule::fc_VernalisationFactor(double vw_MeanAirTempera
  * @author Claas Nendel
  */
 double CropModule::fc_OxygenDeficiency(double d_CriticalOxygenContent) {
-  double vc_AirFilledPoreVolume = 0.0;
-  double vc_MaxOxygenDeficit = 0.0;
-
+  int timeUnderAnoxiaThresholdAtStage = vc_DevelopmentalStage < vc_TimeUnderAnoxiaThreshold.size()
+      ? vc_TimeUnderAnoxiaThreshold.at(vc_DevelopmentalStage) : TimeUnderAnoxiaThresholdDefault;
   // Reduktion bei Luftmangel Stauwasser berücksichtigen!!!!
-  vc_AirFilledPoreVolume =
-      ((soilColumn[0].vs_Saturation() + soilColumn[1].vs_Saturation() + soilColumn[2].vs_Saturation()) -
-       (soilColumn[0].get_Vs_SoilMoisture_m3() + soilColumn[1].get_Vs_SoilMoisture_m3() +
-        soilColumn[2].get_Vs_SoilMoisture_m3())) / 3.0;
-  if (vc_AirFilledPoreVolume < d_CriticalOxygenContent) {
-    vc_TimeUnderAnoxia += int(vc_TimeStep);
-    if (vc_TimeUnderAnoxia > vc_TimeUnderAnoxiaThreshold) {
-      vc_TimeUnderAnoxia = vc_TimeUnderAnoxiaThreshold;
-    }
-    if (vc_AirFilledPoreVolume < 0.0) {
-      vc_AirFilledPoreVolume = 0.0;
-    }
-    vc_MaxOxygenDeficit = vc_AirFilledPoreVolume / d_CriticalOxygenContent;
-    vc_OxygenDeficit = 1.0 - double(vc_TimeUnderAnoxia / vc_TimeUnderAnoxiaThreshold) * (1.0 - vc_MaxOxygenDeficit);
+  double sumSaturation = 0, sumSoilMoisture = 0;
+  int sumLayers = 0;
+  auto nols = std::min(std::max(3UL, vc_RootingDepth), soilColumn.vs_NumberOfLayers());
+  for(size_t i = 0; i < nols; i++) {
+    sumSaturation += soilColumn[i].vs_Saturation();
+    sumSoilMoisture += soilColumn[i].get_Vs_SoilMoisture_m3();
+    sumLayers++;
+  }
+  double avgAirFilledPoreVolume = (sumSaturation - sumSoilMoisture) / sumLayers;
+  if (avgAirFilledPoreVolume < d_CriticalOxygenContent) {
+    vc_TimeUnderAnoxia = std::min(vc_TimeUnderAnoxia + int(vc_TimeStep), timeUnderAnoxiaThresholdAtStage);
+    avgAirFilledPoreVolume = std::max(0.0, avgAirFilledPoreVolume);
+    double vc_MaxOxygenDeficit = avgAirFilledPoreVolume / d_CriticalOxygenContent;
+    vc_OxygenDeficit = 1.0 - double(vc_TimeUnderAnoxia / double(timeUnderAnoxiaThresholdAtStage)) * (1.0 - vc_MaxOxygenDeficit);
   } else {
     vc_TimeUnderAnoxia = 0;
     vc_OxygenDeficit = 1.0;
   }
-  if (vc_OxygenDeficit > 1.0) {
-    vc_OxygenDeficit = 1.0;
-  }
-
   return vc_OxygenDeficit;
 }
 
@@ -2242,7 +2236,7 @@ void CropModule::fc_CropPhotosynthesis(double vw_MeanAirTemperature,
         Voc::SpeciesData species;
         // species.id = 0; // right now we just have one crop at a time, so no need to distinguish multiple crops
         species.lai = LAI;
-        species.mFol = get_OrganGreenBiomass(LEAF) / (100. * 100.);                                // kg/ha -> kg/m2
+        species.mFol = get_OrganGreenBiomass(OId::LEAF) / (100. * 100.);                                // kg/ha -> kg/m2
         species.sla =
             species.mFol > 0 ? species.lai / species.mFol : pc_SpecificLeafArea[vc_DevelopmentalStage] * 100. *
                                                             100.; // ha/kg -> m2/kg
@@ -2290,7 +2284,7 @@ void CropModule::fc_CropPhotosynthesis(double vw_MeanAirTemperature,
         // JJV
         for (const auto &lf: {FvCB_res.sunlit, FvCB_res.shaded}) {
           species.lai = lf.LAI;
-          species.mFol = get_OrganGreenBiomass(LEAF) / (100. * 100.) * lf.LAI /
+          species.mFol = get_OrganGreenBiomass(OId::LEAF) / (100. * 100.) * lf.LAI /
                          (sun_LAI + sh_LAI);                // kg/ha -> kg/m2
           species.sla =
               species.mFol > 0 ? species.lai / species.mFol : pc_SpecificLeafArea[vc_DevelopmentalStage] * 100. *
@@ -2885,7 +2879,7 @@ void CropModule::fc_CropDryMatter(double vw_MeanAirTemperature) {
         //! TODO: hard coded organ ids; must be more generalized because in database organ_ids can be mixed
         // vc_OrganBiomass[i_Organ];
 
-        if (i_Organ == LEAF) { // leaf
+        if (i_Organ == OId::LEAF) { // leaf
 
           double incr = assimilate_partition_leaf * vc_NetPhotosynthesis;
           if (fabs(incr) <= vc_OrganBiomass[i_Organ]) {
@@ -2908,7 +2902,7 @@ void CropModule::fc_CropDryMatter(double vw_MeanAirTemperature) {
             //            vc_OrganGrowthIncrement[i_Organ] = incr;
             //            debug() << "LEAF - Reducing organ by " << incr << " (" << vc_OrganBiomass[i_Organ] + vc_OrganGrowthIncrement[i_Organ] << ")"<< endl;
           }
-        } else if (i_Organ == SHOOT) { // shoot
+        } else if (i_Organ == OId::SHOOT) { // shoot
 
           double incr = assimilate_partition_leaf * vc_NetPhotosynthesis; // should be negative
 
@@ -2996,10 +2990,10 @@ void CropModule::fc_CropDryMatter(double vw_MeanAirTemperature) {
 
       // update the root biomass and dead root biomass vars
       // root dead biomass will be transfered to proper AOM pools
-      if (i_Organ == ROOT) {
-        vc_OrganBiomass[ROOT] -= dailyDeadBiomassIncrement[ROOT];
-        vc_OrganDeadBiomass[ROOT] -= dailyDeadBiomassIncrement[ROOT];
-        vc_TotalBiomassNContent -= dailyDeadBiomassIncrement[ROOT] * vc_NConcentrationRoot;
+      if (i_Organ == OId::ROOT) {
+        vc_OrganBiomass[OId::ROOT] -= dailyDeadBiomassIncrement[OId::ROOT];
+        vc_OrganDeadBiomass[OId::ROOT] -= dailyDeadBiomassIncrement[OId::ROOT];
+        vc_TotalBiomassNContent -= dailyDeadBiomassIncrement[OId::ROOT] * vc_NConcentrationRoot;
       }
     } else {
       vc_OrganBiomass[i_Organ] += (vc_OrganGrowthIncrement[i_Organ] * vc_TimeStep);    // [kg CH2O ha-1]
@@ -3100,10 +3094,11 @@ void CropModule::fc_CropDryMatter(double vw_MeanAirTemperature) {
 
   // Determining root penetration rate according to soil clay content [m °C-1 d-1]
   double vc_RootPenetrationRate = 0.0; // [m °C-1 d-1]
-  if (soilColumn[vc_RootingDepth].vs_SoilClayContent() <= 0.02) {
+  auto layerIndexBelowRootingDepth = std::min(vc_RootingDepth, nols - 1);
+  if (soilColumn[layerIndexBelowRootingDepth].vs_SoilClayContent() <= 0.02) {
     vc_RootPenetrationRate = 0.5 * pc_RootPenetrationRate;
-  } else if (soilColumn[vc_RootingDepth].vs_SoilClayContent() <= 0.08) {
-    vc_RootPenetrationRate = ((1.0 / 3.0) + (0.5 / 0.06 * soilColumn[vc_RootingDepth].vs_SoilClayContent())) *
+  } else if (soilColumn[layerIndexBelowRootingDepth].vs_SoilClayContent() <= 0.08) {
+    vc_RootPenetrationRate = ((1.0 / 3.0) + (0.5 / 0.06 * soilColumn[layerIndexBelowRootingDepth].vs_SoilClayContent())) *
                              pc_RootPenetrationRate; // [m °C-1 d-1]
   } else {
     vc_RootPenetrationRate = pc_RootPenetrationRate; // [m °C-1 d-1]
@@ -3121,28 +3116,12 @@ void CropModule::fc_CropDryMatter(double vw_MeanAirTemperature) {
     vc_RootingDepth_m += (vc_DailyTemperatureRoot * vc_RootPenetrationRate); // [m]
   }
 
-  if (vc_RootingDepth_m <= pc_InitialRootingDepth) {
-    vc_RootingDepth_m = pc_InitialRootingDepth;
-  }
-
-  if (vc_RootingDepth_m > vc_MaxRootingDepth) {
-    vc_RootingDepth_m = vc_MaxRootingDepth;
-  } // [m]
-
-  if (vc_RootingDepth_m > vs_MaxEffectiveRootingDepth) {
-    vc_RootingDepth_m = vs_MaxEffectiveRootingDepth;
-  }
-
-  // Calculating rooting depth layer []
-  vc_RootingDepth = int(std::floor(0.5 + (vc_RootingDepth_m / layerThickness))); // []
-  if (vc_RootingDepth > nols) {
-    vc_RootingDepth = nols;
-  }
+  if (vc_RootingDepth_m <= pc_InitialRootingDepth) vc_RootingDepth_m = pc_InitialRootingDepth;
+  if (vc_RootingDepth_m > vc_MaxRootingDepth) vc_RootingDepth_m = vc_MaxRootingDepth; // [m]
+  if (vc_RootingDepth_m > vs_MaxEffectiveRootingDepth) vc_RootingDepth_m = vs_MaxEffectiveRootingDepth;
 
-  vc_RootingZone = int(std::floor(0.5 + ((1.3 * vc_RootingDepth_m) / layerThickness))); // []
-  if (vc_RootingZone > nols) {
-    vc_RootingZone = nols;
-  }
+  vc_RootingDepth = std::min(int(std::round(vc_RootingDepth_m/layerThickness)), int(nols)); // layer no
+  vc_RootingZone = std::min(int(std::round(1.3 * vc_RootingDepth_m / layerThickness)), int(nols)); // layer no
 
   vc_TotalRootLength = vc_RootBiomass * pc_SpecificRootLength; //[m m-2]
 
@@ -3949,7 +3928,7 @@ void CropModule::calculateVOCEmissions(const Voc::MicroClimateData &mcd) {
   Voc::SpeciesData species;
   // species.id = 0; // right now we just have one crop at a time, so no need to distinguish multiple crops
   species.lai = get_LeafAreaIndex();
-  species.mFol = get_OrganBiomass(LEAF) / (100. * 100.);          // kg/ha -> kg/m2
+  species.mFol = get_OrganBiomass(OId::LEAF) / (100. * 100.);          // kg/ha -> kg/m2
   species.sla = pc_SpecificLeafArea[vc_DevelopmentalStage] * 100. * 100.; // ha/kg -> m2/kg
 
   species.EF_MONO = speciesPs.EF_MONO;
@@ -4655,10 +4634,6 @@ double CropModule::get_AccumulatedTranspiration() const {
   return vc_AccumulatedTranspiration;
 }
 
-double CropModule::get_AccumulatedPrimaryCropYield() const {
-  return vc_AccumulatedPrimaryCropYield;
-}
-
 /**
  * Returns the depth of the maximum active and effective root.
  * [m]

diff --git a/src/core/crop-module.h b/src/core/crop-module.h
@@ -40,13 +40,6 @@ Copyright (C) Leibniz Centre for Agricultural Landscape Research (ZALF)
 
 namespace monica {
 
-enum {
-  ROOT = 0,
-  LEAF = 1,
-  SHOOT = 2,
-  STORAGE_ORGAN = 3
-};
-
 /*
 * @brief  Crop part of model
 *
@@ -656,7 +649,8 @@ class CropModule {
   double vc_TargetNConcentration{0.0}; //! old GEHMAX
   double vc_TimeStep{1.0}; //! old dt
   int vc_TimeUnderAnoxia{0};
-  int vc_TimeUnderAnoxiaThreshold{4};
+  int TimeUnderAnoxiaThresholdDefault = 4;
+  std::vector<int> vc_TimeUnderAnoxiaThreshold;
   double vs_Tortuosity{};              //! old AD
   double vc_TotalBiomass{0.0};
   double vc_TotalBiomassNContent{0.0}; //! old PESUM
@@ -680,7 +674,6 @@ class CropModule {
   bool dyingOut{false};
   double vc_AccumulatedETa{0.0};
   double vc_AccumulatedTranspiration{0.0};
-  double vc_AccumulatedPrimaryCropYield{0.0};
   double vc_sumExportedCutBiomass{0.0};
   double vc_exportedCutBiomass{0.0};
   double vc_sumResidueCutBiomass{0.0};

diff --git a/src/core/monica-model.cpp b/src/core/monica-model.cpp
@@ -321,7 +321,7 @@ void MonicaModel::seedCrop(Crop *crop) {
  * Deletes the current crop.
  */
 void
-MonicaModel::harvestCurrentCrop(bool exported, Harvest::Spec spec, Harvest::OptCarbonManagementData optCarbMgmtData) {
+MonicaModel::harvestCurrentCrop(bool exported, const Harvest::Spec& spec, Harvest::OptCarbonManagementData optCarbMgmtData) {
   if (_currentCropModule) {
     // prepare to add root and crop residues to soilorganic (AOMs)
     // dead root biomass has already been added daily, so just living root biomass is left
@@ -404,22 +404,21 @@ MonicaModel::harvestCurrentCrop(bool exported, Harvest::Spec spec, Harvest::OptC
       auto organIdsForPrimaryYield = _currentCropModule->organIdsForPrimaryYield();
       for (const auto &p: spec.organ2specVal) {
         // ignore root, is probably an error, when the user specified the root organ (0) as something to harvest
-        if (p.first == 0)
-          continue;
+        if (p.first == 0) continue;
         auto organBiomass = _currentCropModule->get_OrganBiomass(p.first);
         auto organYield = organBiomass * p.second.exportPercentage / 100.0;
         cropYield += organYield;
-        if (organIdsForPrimaryYield.find(p.first + 1) != organIdsForPrimaryYield.end())
+        if (organIdsForPrimaryYield.find(p.first + 1) != organIdsForPrimaryYield.end()) {
           primaryCropYield += organYield;
-        if (p.second.incorporate)
-          sumOrganResidueBiomassToIncorporate += organBiomass - organYield;
-        else
-          sumOrganResidueBiomassAsOverlay += organBiomass - organYield;
+        }
+        if (p.second.incorporate) sumOrganResidueBiomassToIncorporate += organBiomass - organYield;
+        else sumOrganResidueBiomassAsOverlay += organBiomass - organYield;
       }
       auto totalResidueBiomass = _currentCropModule->get_ResidueBiomass(false, cropYield);
       auto totalResidueBiomassToIncorporate = totalResidueBiomass - sumOrganResidueBiomassAsOverlay;
       auto residuesNConcentration = _currentCropModule->get_ResiduesNConcentration(primaryCropYield);
-      _soilOrganic->addOrganicMatter(_currentCropModule->residueParameters(), totalResidueBiomassToIncorporate,
+      _soilOrganic->addOrganicMatter(_currentCropModule->residueParameters(),
+                                     totalResidueBiomassToIncorporate,
                                      residuesNConcentration);
 
       debug()

diff --git a/src/core/monica-model.h b/src/core/monica-model.h
@@ -81,7 +81,7 @@ class MonicaModel {
 
   bool isCropPlanted() const { return _currentCropModule; }
 
-  void harvestCurrentCrop(bool exported, Harvest::Spec spec, Harvest::OptCarbonManagementData optCarbMgmtData = Harvest::OptCarbonManagementData());
+  void harvestCurrentCrop(bool exported, const Harvest::Spec& spec, Harvest::OptCarbonManagementData optCarbMgmtData = Harvest::OptCarbonManagementData());
 
   void incorporateCurrentCrop();
 

diff --git a/src/core/monica-parameters.cpp b/src/core/monica-parameters.cpp
@@ -1456,7 +1456,12 @@ Errors CropModuleParameters::merge(json11::Json j) {
   set_double_value(pc_GrowthRespirationParameter2, j, "GrowthRespirationParameter2");
   set_double_value(pc_Tortuosity, j, "Tortuosity");
   set_bool_value(pc_AdjustRootDepthForSoilProps, j, "AdjustRootDepthForSoilProps");
-  set_int_value(pc_TimeUnderAnoxiaThreshold, j, "TimeUnderAnoxiaThreshold");
+  if (j["TimeUnderAnoxiaThreshold"].is_number()) {
+    std::fill(pc_TimeUnderAnoxiaThreshold.begin(), pc_TimeUnderAnoxiaThreshold.end(),
+              j["TimeUnderAnoxiaThreshold"].number_value());
+  } else if(j["TimeUnderAnoxiaThreshold"].is_array()) {
+    set_int_vector(pc_TimeUnderAnoxiaThreshold, j, "TimeUnderAnoxiaThreshold");
+  }
 
   set_bool_value(__enable_Photosynthesis_WangEngelTemperatureResponse__, j,
                  "__enable_Photosynthesis_WangEngelTemperatureResponse__");

diff --git a/src/core/monica-parameters.h b/src/core/monica-parameters.h
@@ -710,7 +710,7 @@ struct DLL_API CropModuleParameters : public Tools::Json11Serializable {
   double pc_GrowthRespirationParameter2{ 0.0 };
   double pc_Tortuosity{ 0.0 };
   bool pc_AdjustRootDepthForSoilProps{ true };
-  int pc_TimeUnderAnoxiaThreshold{ 4 };
+  std::vector<int> pc_TimeUnderAnoxiaThreshold{ 4, 4, 4, 4, 4, 4, 4 };
 
   bool __enable_Phenology_WangEngelTemperatureResponse__{ false };
   bool __enable_Photosynthesis_WangEngelTemperatureResponse__{ false };

diff --git a/src/io/build-output.cpp b/src/io/build-output.cpp
@@ -546,11 +546,10 @@ BOTRes& monica::buildOutputTable()
         return monica.cropGrowth() ? round(monica.cropGrowth()->get_PrimaryCropYield(), 1) : 0.0;
       });
 
-      build({ id++, "SumYield", "kgDM ha-1", "get_AccumulatedPrimaryCropYield" },
-        [](const MonicaModel& monica, OId oid)
-      {
-        return monica.cropGrowth() ? round(monica.cropGrowth()->get_AccumulatedPrimaryCropYield(), 1) : 0.0;
-      });
+      build({id++, "SecondaryYield", "kgDM ha-1", "get_SecondaryCropYield"},
+            [](const MonicaModel &monica, OId oid) {
+              return monica.cropGrowth() ? round(monica.cropGrowth()->get_SecondaryCropYield(), 3) : 0.0;
+            });
 
       build({ id++, "sumExportedCutBiomass", "kgDM ha-1", "return sum (across cuts) of exported cut biomass for current crop" },
         [](const MonicaModel& monica, OId oid)
@@ -594,11 +593,6 @@ BOTRes& monica::buildOutputTable()
         return round(monica.humusBalanceCarryOver(), 1);
       });
 
-      build({ id++, "SecondaryYield", "kgDM ha-1", "get_SecondaryCropYield" },
-        [](const MonicaModel& monica, OId oid)
-      {
-        return monica.cropGrowth() ? round(monica.cropGrowth()->get_SecondaryCropYield(), 1) : 0.0;
-      });
 
       build({ id++, "GroPhot", "kgCH2O ha-1", "GrossPhotosynthesisHaRate" },
         [](const MonicaModel& monica, OId oid)
@@ -729,11 +723,11 @@ BOTRes& monica::buildOutputTable()
         return Nstress;
       });
 
-      build({ id++, "YieldNc", "kgN ha-1", "PrimaryYieldNConcentration" },
-        [](const MonicaModel& monica, OId oid)
-      {
-        return monica.cropGrowth() ? round(monica.cropGrowth()->get_PrimaryYieldNConcentration(), 3) : 0.0;
-      });
+      build({id++, "YieldNc", "kgN ha-1", "PrimaryYieldNConcentration"},
+            [](const MonicaModel &monica, OId oid) {
+              return monica.cropGrowth() ? round(monica.cropGrowth()->get_PrimaryYieldNConcentration(), 3) : 0.0;
+            });
+
 
       build({ id++, "YieldN", "kgN ha-1", "PrimaryYieldNContent" },
         [](const MonicaModel& monica, OId oid)

diff --git a/src/resource/version.h b/src/resource/version.h
@@ -6,7 +6,7 @@
 
 #define VERSION_MAJOR               3
 #define VERSION_MINOR               6
-#define VERSION_REVISION            17
+#define VERSION_REVISION            18
 #define VERSION_BUILD               214
 
 #define VER_FILE_VERSION            VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION, VERSION_BUILD

diff --git a/src/run/cultivation-method.cpp b/src/run/cultivation-method.cpp
@@ -464,7 +464,7 @@ Errors Harvest::merge(json11::Json j) {
   set_double_value(_optCarbMgmtData.maxResidueRecoverFraction, j, "max-residue-recover-fraction");
 
   for (const string &organName: {"leaf", "shoot", "fruit", "struct", "sugar"}) {
-    for (auto kv: j.object_items()) {
+    for (const auto& kv: j.object_items()) {
       if (toLower(kv.first) == organName && kv.second.is_object()) {
         Spec::Value sv;
         set_double_value(sv.exportPercentage, kv.second, "export");
@@ -493,8 +493,9 @@ json11::Json Harvest::to_json(bool includeFullCropParameters) const {
       };
 
   for (const auto &p: _spec.organ2specVal) {
-    jo[organNameFromId(p.first)] = J11Object{{"export",      J11Array{p.second.exportPercentage, "%"}},
-                                             {"incorporate", p.second.incorporate}};
+    jo[organNameFromId(p.first)] = J11Object
+        {{"export",      J11Array{p.second.exportPercentage, "%"}},
+         {"incorporate", p.second.incorporate}};
   }
 
   return jo;
@@ -505,8 +506,7 @@ bool Harvest::apply(MonicaModel *model) {
 
   if (model->cropGrowth()) {
     model->harvestCurrentCrop(_exported, _spec, _optCarbMgmtData);
-    if (_sowing)
-      debug() << "harvesting crop: " << _sowing->crop()->toString() << " at: " << date().toString() << endl;
+    if (_sowing) debug() << "harvesting crop: " << _sowing->crop()->toString() << " at: " << date().toString() << endl;
     model->addEvent("Harvest");
   }