phosphates

  1. E

    Cumulative degeneration - Cannabis Susceptibility of retaining Heavy Metals/Dioxins?

    Study was conducted to determine, in part, the accumulation of arsenic, lead, and cadmium in soils and crops that may occur from continual agricultural applications of fertilizers. Study indicate that cadmium could build up in soil over time due to continual fertilizer use. This is more likely...