Gross profit of planting mugwort leaves: now the price of dry mugwort leaves is about 1.5~2 yuan, and the first year an acre of land can produce about 1000 pounds of dry mugwort leaves, its gross profit is more than 1500~2000 yuan. The second year can produce more than 1500 pounds of dried mugwort leaves, the gross profit is 2500~3500 yuan.

An acre of land can be harvested two crops of mugwort leaves, so look at the first year of an acre of land of mugwort leaves income is 1800 yuan _ 850 yuan = 950 yuan. And with the big increase in the production of mugwort leaves in the second year, its income from mugwort leaves is 2500 yuan_700 yuan = 2200 yuan or so, and in the third and fourth year, the production of mugwort leaves is even higher, and its net income from mugwort leaves in one acre of land will be more than 2500 yuan.