CAMPCO has also established a Copper Sulphate manufacturing unit with 300 metric tonnes capacity per annum at Sagar in Karnataka State,in 1986 to meet the requirement of its member growers. Copper Sulphate Manufacturing Factory at Sagar          The Arecanut tree's health is often found affected  by various insects and other micro organism.Copper Sulphate (CuSO4 )  thus becomes necessary in Arecanut Plantation maintenance. It is sprayed on the tree tops once or twice in a year.           To cater to the needs of the growers, CAMPCO decided to have its own unit to manufacture and supply Copper Sulphate .In early 80's CAMPCO went ahead and established a Copper Sulphate plant at Sagar to overcome the acute shortage for this product during those times.