diff --git a/GAMS/IntExtOpt.gms b/GAMS/IntExtOpt.gms
index 616068c94084dcd38349f5e371be0f7b08c17521..26fb1bbfd8430385d071b4cf9a149ace4146626e 100644
--- a/GAMS/IntExtOpt.gms
+++ b/GAMS/IntExtOpt.gms
@@ -55,7 +55,7 @@ $gdxin
               pasture   1    / ; 
 * pasture yield is done in DM terms
    
- PARAMETER baseCost(crop)  cost per ha before intensity values just made up at the moment
+ PARAMETER baseCost(crop)  cost per ha before intensity values not including fertiliser or irrigation i.e. seed spray and other.  In 1000 $ per ha
           /   wheat             1.1   
               maize             0.9 
               rice              1.1 
@@ -64,6 +64,9 @@ $gdxin
               starchyRoots      4.0
               pasture           0.0  / ; 
                
+* wheat             1.4 * 0.223   
+*              oilcrops          1.4 * 0.169 
+               
  VARIABLES
        area(crop, location)               total area for each crop - Mha
        fertI(crop, location)              fertilizer intensity for each crop - factor between 0 and 1
@@ -129,7 +132,7 @@ $gdxin
                (yieldBoth(crop, location) + yieldNone(crop, location) - yieldFertOnly(crop, location) - yieldIrrigOnly(crop, location)) *
                                       (1 - exp(-fertParam(crop, location)*fertI(crop, location))) * (1 - exp(-irrigParam(crop, location)*irrigI(crop, location)))
 
-            ) * cropAdj(crop) * otherIntensity(crop, location);
+            ) * cropAdj(crop) * (1 - exp(-otherIntensity(crop, location)*5));
    
  NET_SUPPLY_EQ(crop) .. net_supply(crop) =E= sum(location, area(crop, location) * yield(crop, location)) - feedAmount(crop) + importAmount(crop) - exportAmount(crop);
   
diff --git a/src/ac/ed/lurg/ModelConfig.java b/src/ac/ed/lurg/ModelConfig.java
index be6158d00e7a9a7a3ad74b78beb1497b4f14538a..c0a66513da11a9ab6722fcefaef7eae20f7b703e 100644
--- a/src/ac/ed/lurg/ModelConfig.java
+++ b/src/ac/ed/lurg/ModelConfig.java
@@ -138,9 +138,9 @@ public class ModelConfig {
 	public static final String SSP_SCENARIO = getProperty("SSP_SCENARIO", "SSP1_v9_130325");
 	public static final double MAX_IMPORT_CHANGE = getDoubleProperty("MAX_IMPORT_CHANGE", 0.1);
 
-	public static final double PASTURE_HARVEST_FRACTION = getDoubleProperty("PASTURE_HARVEST_FRACTION", 0.3);
+	public static final double PASTURE_HARVEST_FRACTION = getDoubleProperty("PASTURE_HARVEST_FRACTION", 0.25);
 	public static final double MEAT_EFFICIENCY = getDoubleProperty("MEAT_EFFICIENCY", 1.0);
-	public static final double IRRIGIATION_EFFICIENCY = getDoubleProperty("IRRIGIATION_EFFICIENCY", 0.5);
+	public static final double IRRIGIATION_EFFICIENCY = getDoubleProperty("IRRIGIATION_EFFICIENCY", 0.4);
 	public static final double LAND_CHANGE_COST = getDoubleProperty("LAND_CHANGE_COST", 2.0);
 	public static final double MIN_FEED_RATE = getDoubleProperty("MIN_FEED_RATE", 0.15);
 	public static final double SEED_AND_WASTE_FRACTION = getDoubleProperty("SEED_AND_WASTE_FRACTION", 0.15);  
@@ -148,17 +148,17 @@ public class ModelConfig {
 	public static final double MARKET_LAMBA = getDoubleProperty("MARKET_LAMBA", 0.3); // controls international market price adjustment rate
 	public static final double POPULATION_AGGREG_LIMIT = getDoubleProperty("POPULATION_AGGREG_LIMIT", 40.0);  // in millions, smaller countries are aggregated on a regional basis
 	
-	public static final double IRRIG_COST_SCALE_FACTOR = getDoubleProperty("IRRIG_COST_SCALE_FACTOR", 0.1);
+	public static final double IRRIG_COST_SCALE_FACTOR = getDoubleProperty("IRRIG_COST_SCALE_FACTOR", 0.02);
 	public static final double FERTILISER_COST_PER_T = getDoubleProperty("FERTILISER_COST_PER_T", 5.0);
 	public static final double FERTILISER_MAX_COST = FERTILISER_COST_PER_T * MAX_FERT_AMOUNT/1000;
 	public static final double TRANSPORT_LOSSES = getDoubleProperty("TRANSPORT_LOSSES", 0.15);  // in international trade
-	public static final double TRADE_BARRIER_FACTOR = getDoubleProperty("TRADE_BARRIER_FACTOR", 1.5);  // price factor in international trade, transport cost and real trade barriers
+	public static final double TRADE_BARRIER_FACTOR = getDoubleProperty("TRADE_BARRIER_FACTOR", 1.3);  // price factor in international trade, transport cost and real trade barriers
 
 	public static final int NUM_CEREAL_CATEGORIES = getIntProperty("NUM_CEREAL_CATEGORIES", 5);
 	public static final int NUM_PASTURE_CATEGORIES = getIntProperty("NUM_PASTURE_CATEGORIES", 1);
 
 	public static final boolean DEBUG_LIMIT_COUNTRIES = getBooleanProperty("DEBUG_LIMIT_COUNTRIES", false);
 	public static final double PASTURE_MAX_IRRIGATION_RATE = getDoubleProperty("DEFAULT_MAX_IRRIGATION_RATE", 50.0); // shouldn't need this but some areas crops don't have a value, but was causing them to be selected
-	public static int NUM_CALIBRATION_ITERATIONS = 10;
+	public static int NUM_CALIBRATION_ITERATIONS = getIntProperty("NUM_CALIBRATION_ITERATIONS", 1);
 
 }
\ No newline at end of file