Program: 95584
Project: 95584
Buggy source:
/** 
 * Handles right-clicks from the player. Allows the player to 'use' the block.
 * @return if the right-click was consumed.
 */
@Override public boolean onBlockActivated(World world,int x,int y,int z,EntityPlayer player,int side,float fX,float fY,float fZ){
  if (world.isRemote) {
    return true;
  }
  TileEntity te=world.getTileEntity(x,y,z);
  if (te != null && te instanceof TileEntityCrop) {
    TileEntityCrop crop=(TileEntityCrop)te;
    if (ConfigurationHandler.enableHandRake && crop.hasWeed()) {
      return false;
    }
    ItemStack heldItem=player.getCurrentEquippedItem();
    if (player.isSneaking()) {
      this.harvest(world,x,y,z,player,crop);
    }
 else     if (heldItem == null || heldItem.getItem() == null) {
      this.harvest(world,x,y,z,player,crop);
    }
 else     if (heldItem.getItem() == net.minecraft.init.Items.reeds) {
      if (crop.hasPlant()) {
        this.harvest(world,x,y,z,player,crop);
      }
 else       if (!crop.isCrossCrop() && !crop.hasWeed()) {
        CropPlant sugarcane=CropPlantHandler.getPlantFromStack(new ItemStack((ItemSeeds)Item.itemRegistry.getObject("String_Node_Str")));
        if (sugarcane != null && sugarcane.isFertile(world,x,y,z)) {
          crop.setPlant(1,1,1,false,sugarcane);
          if (!player.capabilities.isCreativeMode) {
            heldItem.stackSize=heldItem.stackSize - 1;
          }
        }
      }
    }
 else     if (heldItem.getItem() == Items.crops) {
      this.setCrossCrop(world,x,y,z,player);
    }
 else     if (heldItem.getItem() instanceof ITrowel) {
      crop.onTrowelUsed((ITrowel)heldItem.getItem(),heldItem);
    }
 else     if (heldItem.getItem() instanceof IClipper) {
      this.onClipperUsed(world,x,y,z,crop);
      ((IClipper)heldItem.getItem()).onClipperUsed(world,x,y,z,player);
    }
 else     if (heldItem.getItem() == net.minecraft.init.Items.dye && heldItem.getItemDamage() == 15) {
      return !crop.canBonemeal();
    }
 else     if (heldItem.getItem() instanceof IFertiliser) {
      IFertiliser fertiliser=(IFertiliser)heldItem.getItem();
      if (crop.allowFertiliser(fertiliser)) {
        crop.applyFertiliser(fertiliser,world.rand);
        NetworkWrapperAgriCraft.wrapper.sendToAllAround(new MessageFertiliserApplied(heldItem,x,y,z),new NetworkRegistry.TargetPoint(world.provider.dimensionId,x,y,z,32));
        if (!player.capabilities.isCreativeMode) {
          heldItem.stackSize=heldItem.stackSize - 1;
        }
      }
      return false;
    }
 else     if (heldItem.getItem() instanceof ItemDebugger) {
      return false;
    }
 else     if (ModHelper.isRightClickHandled(heldItem.getItem())) {
      return ModHelper.handleRightClickOnCrop(world,x,y,z,player,heldItem,this,crop);
    }
 else {
      this.harvest(world,x,y,z,player,crop);
      if (CropPlantHandler.isValidSeed(heldItem)) {
        if (this.plantSeed(player.getCurrentEquippedItem(),world,x,y,z)) {
          player.getCurrentEquippedItem().stackSize=player.capabilities.isCreativeMode ? player.getCurrentEquippedItem().stackSize : player.getCurrentEquippedItem().stackSize - 1;
        }
      }
    }
  }
  return true;
}

Fixed version (ground truth):
/** 
 * Handles right-clicks from the player. Allows the player to 'use' the block.
 * @return if the right-click was consumed.
 */
@Override public boolean onBlockActivated(World world,int x,int y,int z,EntityPlayer player,int side,float fX,float fY,float fZ){
  if (world.isRemote) {
    return true;
  }
  TileEntity te=world.getTileEntity(x,y,z);
  if (te != null && te instanceof TileEntityCrop) {
    TileEntityCrop crop=(TileEntityCrop)te;
    ItemStack heldItem=player.getCurrentEquippedItem();
    if (ConfigurationHandler.enableHandRake && crop.hasWeed() && heldItem == null) {
      return false;
    }
    if (player.isSneaking()) {
      this.harvest(world,x,y,z,player,crop);
    }
 else     if (heldItem == null || heldItem.getItem() == null) {
      this.harvest(world,x,y,z,player,crop);
    }
 else     if (heldItem.getItem() == net.minecraft.init.Items.reeds) {
      if (crop.hasPlant()) {
        this.harvest(world,x,y,z,player,crop);
      }
 else       if (!crop.isCrossCrop() && !crop.hasWeed()) {
        CropPlant sugarcane=CropPlantHandler.getPlantFromStack(new ItemStack((ItemSeeds)Item.itemRegistry.getObject("String_Node_Str")));
        if (sugarcane != null && sugarcane.isFertile(world,x,y,z)) {
          crop.setPlant(1,1,1,false,sugarcane);
          if (!player.capabilities.isCreativeMode) {
            heldItem.stackSize=heldItem.stackSize - 1;
          }
        }
      }
    }
 else     if (heldItem.getItem() == Items.crops) {
      this.setCrossCrop(world,x,y,z,player);
    }
 else     if (heldItem.getItem() instanceof ITrowel) {
      crop.onTrowelUsed((ITrowel)heldItem.getItem(),heldItem);
    }
 else     if (heldItem.getItem() instanceof IClipper) {
      this.onClipperUsed(world,x,y,z,crop);
      ((IClipper)heldItem.getItem()).onClipperUsed(world,x,y,z,player);
    }
 else     if (heldItem.getItem() instanceof IRake) {
      if (crop.hasPlant()) {
        return this.canUproot(world,x,y,z);
      }
 else       if (crop.hasWeed()) {
        ((IRake)heldItem.getItem()).removeWeeds(crop,heldItem);
      }
    }
 else     if (heldItem.getItem() == net.minecraft.init.Items.dye && heldItem.getItemDamage() == 15) {
      return !crop.canBonemeal();
    }
 else     if (heldItem.getItem() instanceof IFertiliser) {
      IFertiliser fertiliser=(IFertiliser)heldItem.getItem();
      if (crop.allowFertiliser(fertiliser)) {
        crop.applyFertiliser(fertiliser,world.rand);
        NetworkWrapperAgriCraft.wrapper.sendToAllAround(new MessageFertiliserApplied(heldItem,x,y,z),new NetworkRegistry.TargetPoint(world.provider.dimensionId,x,y,z,32));
        if (!player.capabilities.isCreativeMode) {
          heldItem.stackSize=heldItem.stackSize - 1;
        }
      }
      return false;
    }
 else     if (heldItem.getItem() instanceof ItemDebugger) {
      return false;
    }
 else     if (ModHelper.isRightClickHandled(heldItem.getItem())) {
      return ModHelper.handleRightClickOnCrop(world,x,y,z,player,heldItem,this,crop);
    }
 else {
      this.harvest(world,x,y,z,player,crop);
      if (CropPlantHandler.isValidSeed(heldItem)) {
        if (this.plantSeed(player.getCurrentEquippedItem(),world,x,y,z)) {
          player.getCurrentEquippedItem().stackSize=player.capabilities.isCreativeMode ? player.getCurrentEquippedItem().stackSize : player.getCurrentEquippedItem().stackSize - 1;
        }
      }
    }
  }
  return true;
}