Bonemeal now only reacts to mangrove saplings when they are on sand

src/minecraft/tdwp_ftw/biomesop/helpers/BonemealUse.java

@@ -214,6 +214,8 @@ public class BonemealUse
 		}
 		
 		if (event.ID == BOPBlocks.mangroveSapling.blockID)
+		{
+			if (event.world.getBlockId(event.X, event.Y - 1, event.Z) == Block.sand.blockID)
 			{
 				event.setResult(Result.ALLOW);
 
@@ -225,6 +227,7 @@ public class BonemealUse
 					}
 				}
 			}
+		}
 		
 		if (event.ID == BOPBlocks.acaciaSapling.blockID)
 		{