In T4.2 you have the opportunity to check over your production details. Click on one of the fields displaying your stored amounts.
After that, you are able to access a table with detailed information about production.
There you can see the productions for Lumber, Clay, Iron and Crop:
Production per hour: It’s the production of each field per hour. You can see level of the field and its current, net production. There you can see a column “Bonus”. Bonus is a production added by constructed buildings or oases.
Production bonus: It’s a bonus given by buildings and oasis annexed to the village. Its total is given in a percentage.
Total production per hour: It is a total production with the addition of your Hero’s production. There you can also purchase gold bonus production.
Balance is a special tab displaying free crop, bonus crop production, consumptions of buildings and troops and at the end, the total crop production.