Peatlands are subject to increased pressure from environmental and land-use change, particularly in temperate regions such as the US Midwest. Bryophytes dominate the ground cover of peatlands and play a key role in their ...

Nickel (Ni) is a required element but may become toxic to plants, animals and humans if normal levels are exceeded. To assess the health and environmental effects of Ni, the bioavailable, not total, concentration of Ni in ...

Nitrogen deficiency in soil often limits corn (Zea mays L.) growth, thus requiring fertilizer N inputs to achieve optimum yields. Nitrogen fertilizer is becoming more expensive and methods are needed to improve N use ...