The potassium paradox: Implications for soil fertility, crop production and human health

In the chemical age of agriculture that began in the 1960s, potassium chloride (KCl), the common salt often referred to as potash, has and is widely used as a major fertiliser in the Corn Belt without regard to the huge soil reserves that were once recognized for their fundamental importance to soil fertility. Three University […]

Steroids can regenerate in aquatic ecosystems

Steroidal substances such as those used in agriculture and pharmaceuticals may be persistent in the environment for longer than previously thought. A team of researchers found that anabolic steroids have a mechanism whereby phototransformation is reversed. “We investigated trenbolone, an anabolic steroid, and found that the photochemical breakdown isn’t the end of its life cycle,” […]

Mystery moss rediscovered

A botanical puzzle more than 150 years old could soon be solved, thanks to a discovery by a second-year botany student in Queensland’s far north. James Cook University student Megan Grixti found a population of Sorapilla papuana, an extremely rare moss, growing on a single tree in remote rainforest near Mount Lewis, west of Mossman. […]