| 摘要 |
<p>Agent in particulate form comprises iron oxide and/or iron oxide hydroxide, where: the agent comprises an average trace element comprising = 80 ppm of arsenic, = 50 ppm of lead and = 1 ppm of mercury, and has a residual moisture content of 0-30 wt.% and a bulk density of 0.4-2 g/cm 3>; and at least 50 wt.% of the agent has a particle size of greater than 0.5 mm. An independent claim is included for a mixture comprising biomass and the agent. ACTIVITY : Fertilizer. MECHANISM OF ACTION : None given.</p> |
