diff --git a/apps/farm.lua b/apps/farm.lua
index 89dc227..2d4fd17 100644
--- a/apps/farm.lua
+++ b/apps/farm.lua
@@ -4,14 +4,17 @@ local Point = require('point')
 local Util  = require('util')
 
 local device = _G.device
+local fs     = _G.fs
 local os     = _G.os
 local turtle = _G.turtle
 
+local CONFIG_FILE = 'usr/config/farm'
+
 local scanner = device['plethora:scanner'] or
-  turtle.equip('right', 'plethora:module:2') or
+  turtle.equip('right', 'plethora:module:2') and device['plethora:scanner'] or
   error('Plethora scanner required')
 
-local crops = {
+local crops = Util.readFile(CONFIG_FILE) or {
   ['minecraft:wheat'] =
     { seed = 'minecraft:wheat_seeds', mature = 7 },
   ['minecraft:carrots'] =
@@ -22,6 +25,10 @@ local crops = {
     { seed = 'minecraft:beetroot_seeds', mature = 3 },
 }
 
+if not fs.exists(CONFIG_FILE) then
+  Util.writeTable(CONFIG_FILE, crops)
+end
+
 local function scan()
   local blocks = scanner.scan()
   Util.filterInplace(blocks, function(v)
@@ -37,6 +44,7 @@ end
 
 local function harvest(blocks)
   turtle.equip('right', 'minecraft:diamond_pickaxe')
+  turtle.setPoint({ x = 0, y = 0, z = 0, heading = turtle.point.heading })
 
   Point.eachClosest(turtle.point, blocks, function(b)
     Util.print(b)
@@ -53,17 +61,46 @@ local function harvest(blocks)
   turtle.equip('right', 'plethora:module:2')
 end
 
-turtle.reset()
-local facing = scanner.getBlockMeta(0, 0, 0).state.facing
-turtle.point.heading = Point.facings[facing].heading
+local function dropOff()
+  local blocks = scanner.scan()
+  local done
 
-turtle.setPolicy('digOnly')
+  Util.filterInplace(blocks, function(v)
+    if v.name == 'minecraft:chest' then
+      return v.y == -1
+    end
+  end)
 
-while true do
-  print('scanning')
-  local blocks = scan()
   turtle.setPoint({ x = 0, y = 0, z = 0, heading = turtle.point.heading })
-  harvest(blocks)
-  print('sleeping')
-  os.sleep(10)
+  Point.eachClosest(turtle.point, blocks, function(b)
+    if not done then
+      if turtle._goto(Point.above(b)) then
+        for k,v in pairs(turtle.getSummedInventory()) do
+          if v.count > 32 then
+            turtle.dropDown(k, v.count - 32)
+          end
+          done = true
+        end
+      end
+    end
+  end)
 end
+
+turtle.run(function()
+  local facing = scanner.getBlockMeta(0, 0, 0).state.facing
+  turtle.point.heading = Point.facings[facing].heading
+
+  turtle.setPolicy('digOnly')
+
+  repeat
+    local blocks = scan()
+    if #blocks > 0 then
+      turtle.setStatus('Harvesting')
+      harvest(blocks)
+      turtle.setStatus('Storing')
+      dropOff()
+      turtle.setStatus('Sleeping')
+    end
+    os.sleep(10)
+  until turtle.isAborted()
+end)