Copper For The Garden: What Copper Does For Plants
Aug 08, 2019· Generally, the rates of copper are about 3 to 6 pounds per acre ( to 3 kg per .5 hectare), but this is really dependent on the soil type and plants grown. Copper sulfate and copper oxide are the most common fertilizers for increasing copper levels. Copper chelate can also be used at about onequarter of the recommended rate.