If you want to collect in the wild, you must send troops to occupy the wild. The collection probability and corresponding treasures are as follows.

\ \ \ \ Pearl coral glass amber agate crystal jade jade night pearl

The flat land is higher, higher, medium, medium, lower, medium, lower, lower.

The grass is low, low, high, high, low, medium, low, low.

The swamp is medium, low, low and high.

The lake is high, low, low, low, low, low.

The forest is low, medium, low, high, low, medium, low, low.

The desert is getting lower and higher, lower and lower, lower and lower.

Mountain area is low, low, low, high, medium, medium and low.

Attachment: Do not reduce the collection time by 20 hours. Otherwise, the collection will be less. If the collection time exceeds 24 hours, this field will be reduced. The higher the field level, the more collected. The best collection and harvest in the field of level 4 _ 10 is also related to the number of soldiers you collect. The more soldiers you collect, the more you gain. The higher the level, the more things are collected.

Therefore, the best collection of pearls is the "lake".