Plant nutrients that are needed in much lower quantities are boron, calcium, chlorine, copper, iron, magnesium, manganese, ...

Night soil may soon see the light of day as a natural chemical-free fertilizer in India by converting human waste treated as ...

The U.S. Environmental Protection Agency faces a legal challenge after approving a controversial plan to include radioactive ...

More than 80 per cent of the potash used by U.S. farmers comes from Canadian mines, and the costs could skyrocket should ...