Copper sulfate, which is used as an organic fungicide and as fertilizer, is toxic to an important bee pollinator known as Friesella schrottkyi, Brazilian researchers have found. Copper sulfate has ...

Proponents of organic agriculture have succeeded in scaring many consumers about the supposed dangers of synthetic pesticides and fertilizers. But few have thought to examine the effects of those ...

1. Compound fertilization inhibits the enzymatic activities of the hydrolytic decomposition of litter. 2. In the nursery soil examined urease and xylanase activities had been distinctly reduced after ...

Copper sulfate has been used in agriculture since the 1800s, at least. In the U.S. it is widely used as a fungicide on organic and conventional crops, and it is also found in some fertilizer products.