diff --git a/src/ac/ed/lurg/ModelConfig.java b/src/ac/ed/lurg/ModelConfig.java
index 5696afb49e8cfa2a06c82106478d9be46b30176c..5cc55e5c4c61991e53eb089fe1e90c34b129a3ff 100755
--- a/src/ac/ed/lurg/ModelConfig.java
+++ b/src/ac/ed/lurg/ModelConfig.java
@@ -192,14 +192,14 @@ public class ModelConfig {
 	public static final boolean PASTURE_FERT_RESPONSE_FROM_LPJ = getBooleanProperty("PASTURE_FERT_RESPONSE_FROM_LPJ", false);;
 
 	public static final double CALIB_FACTOR_CEREAL_C3 = getDoubleProperty("CALIB_FACTOR_CEREAL_C3", 1.046);
-	public static final double CALIB_FACTOR_CEREAL_C4 = getDoubleProperty("CALIB_FACTOR_CEREAL_C4", 0.654);
+	public static final double CALIB_FACTOR_CEREAL_C4 = getDoubleProperty("CALIB_FACTOR_CEREAL_C4", 0.655);
 	public static final double CALIB_FACTOR_MISCANTHUS = getDoubleProperty("CALIB_FACTOR_MISCANTHUS", 2.148);
 	public static final double CALIB_FACTOR_RICE = getDoubleProperty("CALIB_FACTOR_RICE", 0.972);
 	public static final double CALIB_FACTOR_OILCROPS = getDoubleProperty("CALIB_FACTOR_OILCROPS", 0.578);
 	public static final double CALIB_FACTOR_PULSES = getDoubleProperty("CALIB_FACTOR_PULSES", 0.686);
-	public static final double CALIB_FACTOR_STARCHY_ROOTS = getDoubleProperty("CALIB_FACTOR_STARCHY_ROOTS",4.560);
-	public static final double CALIB_FACTOR_FRUITVEG = getDoubleProperty("CALIB_FACTOR_FRUITVEG",3.526);
-	public static final double CALIB_FACTOR_SUGAR = getDoubleProperty("CALIB_FACTOR_SUGAR", 11.909);
+	public static final double CALIB_FACTOR_STARCHY_ROOTS = getDoubleProperty("CALIB_FACTOR_STARCHY_ROOTS",4.608);
+	public static final double CALIB_FACTOR_FRUITVEG = getDoubleProperty("CALIB_FACTOR_FRUITVEG",8.901);
+	public static final double CALIB_FACTOR_SUGAR = getDoubleProperty("CALIB_FACTOR_SUGAR", 12.759);
 
 	// These are production prices in PLUM style feed equivalent terms
 	public static final double INITIAL_PRICE_SHIFT = getDoubleProperty("INITIAL_PRICE_SHIFT", 1.0);