Heavy Plow
Mill - CastleEvolution
Heavy Plow
Castle
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"+125 Food per Farm, +1 carry capacity"
Coach's Tip
Heavy Plow further increases farm food capacity and gives villagers +1 food carry capacity. Research it in Castle Age.
Strategic Analysis
Strategic Identity
Heavy Plow further increases farm food capacity and gives villagers +1 food carry capacity. Research it in Castle Age.
When to Research
High Priority
Research Heavy Plow as soon as you have the resources and are using economy units.
Combat Impact
+125 Food per Farm, +1 carry capacity
Civilization Access
* 52 civilizations have access to this technology.
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AoE Coach analysis
Context & meta
Heavy Plow is the Castle Age Mill technology that turns farms into a longer economic runway. It costs 125 food and 125 wood, researches in 40 seconds, and its official help says: new Farms provide +125 food and Farmers gain +1 carry capacity; existing Farms provide a smaller food amount. The upgrade is not a military button, but it changes how many villagers and how much wood your food economy needs. It is strongest when a player is committing to farms and has enough safety to let the improvement pay back over time.
History & balance
Heavy Plow extends the farming identity of the Mill rather than creating a sudden combat spike. Its Castle Age placement, 40-second research time, and 125 food/125 wood cost ask the player to invest before the farms are urgent, then benefit from the extra food stored in each new field and the added carry capacity. The official wording distinguishes new Farms from existing ones, so the timing matters: researching it late does not retroactively give every old field the full headline value. The design rewards a smooth transition, clean farm placement, and enough wood income to keep rebuilding the improved food base.
In pro play
Research Heavy Plow when the Mill is already part of the plan and the next wave of Farms can be built after the technology finishes. The 125 food/125 wood price competes with military production, so queue it before a forced defense only when the map is stable enough to protect the economy. Put the extra wood into farms in a controlled sequence rather than flooding the queue and idling villagers. The +1 carry capacity helps farmers, but it only matters while they can work safely. Read the opponent first: a booming player gets a long return, while a player under direct pressure may need units and walls before another economic upgrade.
How to counter it
Heavy Plow has no combat counter, so the classic mistake is researching it automatically while the opponent is already threatening the Mill or the food line. The right response is timing: scout the investment, pressure the farm economy, and force the owner to choose between finishing a 40-second, 125 food/125 wood technology and producing units. Do not confuse the upgrade with immediate food; its largest official benefit applies to new Farms and existing Farms provide less. If you keep losing the farm race without knowing when to invest or pressure, AoE Coach reads your match-up and gives you the economy plan and timing.