diff --git a/Controller/CropController.lua b/Controller/CropController.lua
index 3fcc698..d9967e4 100644
--- a/Controller/CropController.lua
+++ b/Controller/CropController.lua
@@ -50,12 +50,20 @@ function CropController:toArray(str)
     local arr = {}
     while(type(comma)=="number") do
         arr[#arr+1] = str:sub(1, comma-1)
+        local latest = tonumber(arr[#arr])
+        if(latest ~= nil) then
+            arr[#arr] = latest
+        end
         str = str:sub(comma + 1, len)
         len = str:len()
         comma = str:find(",")
     end
     if(str ~= "") then
         arr[#arr+1] = str
+        local latest = tonumber(arr[#arr])
+        if(latest ~= nil) then
+            arr[#arr] = latest
+        end
     end
     return arr
 end