diff --git a/src/ac/ed/lurg/ModelConfig.java b/src/ac/ed/lurg/ModelConfig.java
index 6683cccb792b214f0c30f89c971c4b4a57a178a8..70197f6d15c4fb2eb9eb22c6f298f1004dc5c213 100644
--- a/src/ac/ed/lurg/ModelConfig.java
+++ b/src/ac/ed/lurg/ModelConfig.java
@@ -172,7 +172,7 @@ public class ModelConfig {
 	public static final int BASE_YEAR = getIntProperty("BASE_YEAR", 2010);
 
 	// Import export limits
-	public static final double ANNUAL_MAX_IMPORT_CHANGE = IS_CALIBRATION_RUN ? 0.0 : getDoubleProperty("ANNUAL_MAX_IMPORT_CHANGE", 0.02);
+	public static final double ANNUAL_MAX_IMPORT_CHANGE = IS_CALIBRATION_RUN ? 0.0 : getDoubleProperty("ANNUAL_MAX_IMPORT_CHANGE", 0.025);
 	public static final double MAX_IMPORT_CHANGE = IS_CALIBRATION_RUN ? 0.0 : getDoubleProperty("MAX_IMPORT_CHANGE", ANNUAL_MAX_IMPORT_CHANGE*TIMESTEP_SIZE);
 
 	// Fertiliser application rates in kg/ha
@@ -190,18 +190,18 @@ public class ModelConfig {
 
 	public static final double PASTURE_HARVEST_FRACTION = getDoubleProperty("PASTURE_HARVEST_FRACTION", 0.5);
 	public static final double MEAT_EFFICIENCY = getDoubleProperty("MEAT_EFFICIENCY", 1.0);  // 'meat' is includes feed conversion ratio already, this is tech. change or similar
-	public static final double IRRIGIATION_EFFICIENCY = getDoubleProperty("IRRIGIATION_EFFICIENCY", 0.5);
+	public static final double IRRIGIATION_EFFICIENCY = getDoubleProperty("IRRIGIATION_EFFICIENCY", 0.25);
 	
-	public static final double LAND_CHANGE_COST = getDoubleProperty("LAND_CHANGE_COST", 0.75);
+	public static final double LAND_CHANGE_COST = getDoubleProperty("LAND_CHANGE_COST", 0.7);
 	public static final double CROP_TO_PASTURE_COST_FACTOR = getDoubleProperty("CROP_TO_PASTURE_COST_FACTOR", 1.0);
 	public static final double AGRI_LAND_EXPANSION_COST_FACTOR = getDoubleProperty("AGRI_LAND_EXPANSION_COST_FACTOR", 1.0);
 
-	public static final double CROP_INCREASE_COST = getDoubleProperty("CROP_INCREASE_COST", 0.6 * LAND_CHANGE_COST * AGRI_LAND_EXPANSION_COST_FACTOR);
+	public static final double CROP_INCREASE_COST = getDoubleProperty("CROP_INCREASE_COST", 0.4 * LAND_CHANGE_COST * AGRI_LAND_EXPANSION_COST_FACTOR);
 	public static final double PASTURE_DECREASE_COST = getDoubleProperty("PASTURE_DECREASE_COST", 0.25 * LAND_CHANGE_COST);
 	public static final double CROP_DECREASE_COST = getDoubleProperty("CROP_DECREASE_COST", LAND_CHANGE_COST);
-	public static final double PASTURE_INCREASE_COST = getDoubleProperty("PASTURE_INCREASE_COST", 0.1 * LAND_CHANGE_COST * CROP_TO_PASTURE_COST_FACTOR * AGRI_LAND_EXPANSION_COST_FACTOR);
+	public static final double PASTURE_INCREASE_COST = getDoubleProperty("PASTURE_INCREASE_COST", 0.2 * LAND_CHANGE_COST * CROP_TO_PASTURE_COST_FACTOR * AGRI_LAND_EXPANSION_COST_FACTOR);
 	public static final double AGRI_EXPANSION_COST_BASE = getDoubleProperty("AGRI_EXPANSION_COST_BASE", 0.05 * LAND_CHANGE_COST * AGRI_LAND_EXPANSION_COST_FACTOR);
-	public static final double AGRI_EXPANSION_COST_BASE_MANAGED_FOREST = getDoubleProperty("AGRI_EXPANSION_COST_BASE_MANAGED_FOREST", 0.3 * LAND_CHANGE_COST * AGRI_LAND_EXPANSION_COST_FACTOR);
+	public static final double AGRI_EXPANSION_COST_BASE_MANAGED_FOREST = getDoubleProperty("AGRI_EXPANSION_COST_BASE_MANAGED_FOREST", 0.2 * LAND_CHANGE_COST * AGRI_LAND_EXPANSION_COST_FACTOR);
 
 	public static final double SEED_AND_WASTE_FRACTION = getDoubleProperty("SEED_AND_WASTE_FRACTION", 0.1);  
 
@@ -229,7 +229,7 @@ public class ModelConfig {
 	public static final double OTHER_INTENSITY_COST = getDoubleProperty("OTHER_INTENSITY_COST", 0.4);
 	public static final double OTHER_INTENSITY_PARAM = getDoubleProperty("OTHER_INTENSITY_PARAM", 3.22);
 
-	public static final double IRRIG_COST_SCALE_FACTOR = getDoubleProperty("IRRIG_COST_SCALE_FACTOR", 0.0014);
+	public static final double IRRIG_COST_SCALE_FACTOR = getDoubleProperty("IRRIG_COST_SCALE_FACTOR", 0.0007);
 	public static final double FERTILISER_COST_PER_T = getDoubleProperty("FERTILISER_COST_PER_T", 2.7); // $500/t, 18% N/t
 	public static final double FERTILISER_MAX_COST = FERTILISER_COST_PER_T * MAX_FERT_AMOUNT/1000;