In Lords Mobile Resource Harvesting I research increases the speed at which your troops gather resources on tiles. It is found in the economics tree.
There are 10 levels in total and once maxed you will have increased your gathering speed by 70%. You need to have researched timber, stone and metal harvesting to level 1 before you can unlock this ability.
The table below has the resource cost and time to upgrade each level. It also shows the might and rewards granted. You can find out your own research time by using our research calculator.
Resource Harvesting I Research Requirements
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